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Video Game / Project SEKAI

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Let's sing together!note 

Project SEKAI: COLORFUL STAGE! feat. Hatsune Miku is a Free-to-Play Rhythm Game game released on September 30th, 2020 for mobile devices, with a demo version released from September 4th through the 11th. The game is published by SEGA and developed by Colorful Palette, a subsidiary of Craft Egg. Project SEKAI is an entry in the larger SEGA feat. HATSUNE MIKU Project that the Hatsune Miku: Project DIVA series is also a part of, and as such shares a few elements with its companion series. The game also doubles as a Tech Demo Game for Crypton Future Media's "Newtype" series, a line of in-development voicebanks and counterpart to Yamaha's Vocaloid software.

The story of Project SEKAI takes place in a world very similar to ours, where the voice synthesis software Hatsune Miku, Kagamine Rin, Kagamine Len, Megurine Luka, MEIKO, and KAITO are popular music icons recognized the world over. In this world, there exists the concept of "Sekai": pocket universes formed through the power of thought where music is born. Through the power of an "Untitled" song, humans can travel into the Sekai and, through the strength of their emotions and will, transform a Sekai into a new song. Project SEKAI follows the stories of several unique individuals whose fates align through the "Untitled" song and the music born from their bonds.


The Sekai found throughout the game are split into one of five types: Band, Idol, Street, Musical, and Underground. Each Sekai stars a group of talented young musicians, each accompanied by the Crypton Vocaloids.

  • Leo/need: The group in the School SEKAI, Leo/need is a band formed of Childhood Friends. Its members are Ichika Hoshino, Saki Tenma, Honami Mochizuki, and Shiho Hinomori.
  • MORE MORE JUMP!: The group in the Stage SEKAI, MORE MORE JUMP! is a team of four Idol Singers: Minori Hanasato, Haruka Kiritani, Airi Momoi, and Shizuku Hinomori.
  • Vivid BAD SQUAD: The group in the Street SEKAI, Vivid BAD SQUAD was formed to "surpass a legend". Its members are Kohane Azusawa, An Shiraishi, Akito Shinonome, and Toya Aoyagi.
  • Wonderlands X Showtime: The group in the Wonderland SEKAI, Wonderlands X Showtime is a fun-loving group who wants to put on a good show. Its members are Tsukasa Tenma, Emu Ootori, Nene Kusanagi, and Rui Kamishiro.
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  • 25-ji, Nightcord de. / Nightcord at 25:00: The group in the Empty SEKAI, 25-ji, Nightcord de. is a mysterious musical group only seen performing at night. Its members are Kanade Yoisaki, Mafuyu Asahina, Ena Shinonome, and Mizuki Akiyama.

Gameplay consists of traversing between the real world and the Sekai, interacting with a wide range of characters along the way. In songs, players tap, hold, slide and flick notes as they approach a bar at the bottom of the screen, all while backed by gorgeous 3D live videos starring the Vocaloids and their bandmates. Through a gacha, one can collect additional outfits for the characters to wear in both 3D and 2D (animated in Live2D) scenarios. The game also features a special mode called "Virtual Live" where groups of players can join up and attend virtual concert versions of in-game performances on a regular basis.

As a spinoff of the Project DIVA series, Project SEKAI's song list consists of Vocaloid songs both returning and new to the series, featuring a wide range of producers. Unique to Project SEKAI is "SEKAI Ver." songs, new arrangements of Vocaloid hits that combine the Vocaloid's performances with the game's original characters. "Virtual Singer Ver." songs are available as well, for players who want to play to the tunes that they know and love. In addition, the game heavily features brand-new songs commissioned specifically for the game; while commissioned songs are nothing new to the SEGA feat. HATSUNE MIKU Project franchise, Project SEKAI weaves them into the story through a regular event schedule, with new events and songs added every other week.

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    Featured Songs 
Note: Songs in bold are SEKAI Ver. only




Wonderlands X Showtime

25-ji, Nightcord de.

Virtual Singer


  • SEKAI (Original, DECO*27 & kemu) note 
  • Wah Wah World (Original, Mitchie M & Giga-P) note 
  • Gunjou Sanka (Original, Eve)note 

In addition to regular content, the groups are featured in a variety of additional content:

  • 25-ji, Night Radio de.: A web radio show that features Kanade, Mafuyu, Ena, and Mizuki's voice actresses and (true to the group's name) premiers at 1AM JST. Episodes vary in length between 30 minutes to an hour.
  • WonderShow Channel: A monthly stream that stars the actors and actresses from Wonderlands X Showtime (with guests from other units) and delivers update information for Project SEKAI, including upcoming song releases and version updates.
  • MORE MORE JUMP! Voice Dramas: Voice dramas starring MORE MORE JUMP! are occasionally featured on the game's official YouTube channel. Episodes are around 5 to 10 minutes each.
  • Leo/need SNS Feed: Leo/need is featured in a series of fictional social media posts that are shared through the game's official Twitter account.
  • Vivid BAD SQUAD Archives: Occasionally uploaded to the game's official YouTube channel. In addition to featuring short voice drama parts, they also feature alternate covers for existing songs in the game that are normally performed by other units.
  • Colorful Corner: An English language video series presenting news and updates on Hatsune Miku: COLORFUL STAGE!, alongside variety content. Hosted by COLORFUL STAGE! community manager Saccharin and assistant Rappie.

A wiki for the game can be found here.

Now has a character page.

International versions were announced on August 31st, 2021, the 14th anniversary of Hatsune Miku's release date, including an English version of the game (as Hatsune Miku: COLORFUL STAGE!) and a Chinese version. The Chinese version launched on September 30th, 2021 in mainland China and South Korea and will be gradually made available to other Asian regions, while Hatsune Miku: COLORFUL STAGE! will be released on December 7th, 2021 to 130 countries worldwide, with an open beta test released on October 4th, 2021.

Project SEKAI features examples of:

  • Actually, I Am Him: A fair portion of the 25-ji story involves the girls discussing and following OWN, a rival producer who is quickly gaining traction on the internet despite (or because of) their "cold and emotionless" musical style. It's revealed halfway through the story that OWN is actually Mafuyu under a pseudonym.
  • Affectionate Nickname: In one yonkoma, MEIKO introduces herself to the MORE MORE JUMP! team and is given the nickname "Mei-chan" by Shizuku. When MEIKO proposes calling Shizuku "Shii-chan" in return, Shizuku adamantly refuses since the nickname is reserved for her precious younger sister (much to MEIKO's confusion).
  • And Starring: The "feat. Hatsune Miku" in the title, in case you didn't know who was running the show.
  • And Your Reward Is Clothes: You can use rare materials dropped from songs to buy outfits (and color variations of those outfits) for characters to wear during 3D music videos. Some outfits are tied specifically to 4★ cards that must be owned before you can buy them.
  • And Your Reward Is Interior Decorating: While in the Sekai, you can purchase furnishings for each of the particular Sekai, with each one having unique decor. In addition to making it look nicer, furnishings also serve as stat boosts for your units, and can be upgraded with additional purchases.
  • Animated Music Video: Some songs have dance videos where you can watch the characters perform the song on-stage, with the ability to swap out the characters by equipping different cards or changing their outfits. A few songs also come with traditional music videos that play in the background during gameplay, being either copied from their existing videos or created specifically for the game.
  • Anime Theme Song: The game features 2 original theme songs, produced by famed Vocaloid producers DECO*27 and kemu (SEKAI) and then another one by Giga-P and Mitchie M (Wah Wah World). "Helo World" from the first season of Blood Blockade Battlefront is also covered here.
  • Anti-Frustration Features:
    • Retrying a song is free of charge.
    • Stamina is not deducted if the player fails to clear a stage.
    • After complaints from the beta that the hit detection on flick notes was too strict, flick notes were adjusted for the final release such that any form of upward swipe is valid for a flick note, but hitting a flick this way only awards a GREAT judgment as opposed to a PERFECT judgment if you swipe in the correct direction.
    • Like most modern gacha games, there is a Gacha Seal system where you earn a Gacha Seal every time you pull on a gacha, and earning 300 Gacha Seals (meaning 300 pulls on the same banner) lets you buy a 4★ card, effectively functioning as a "pity". In early 2021, this system was upgraded with the addition of Gacha Seal Tickets; one Gacha Seal Ticket can be bought with 10 Gacha Seals, and you can use up to 10 Gacha Seal Tickets towards the purchase of a card, letting you substitute up to 100 Seals toward the purchase of a future card. This also mitigates the issue of old, unused Gacha Seals being lost and converted into Emotion Fragments if they weren't used, as was the case prior to the implementation of Gacha Seal Tickets due to the high cost of pity.
    • For a while, Another Vocal Ver. songs were very difficult to get as they only take character-specific Another Vocal Cards that could only be obtained by raising a character's Relationship Values. This was remedied by later events introducing group-specific Another Vocal Cards that can be substituted for any one corresponding member's Another Vocal Card as well as an update that allows players to exchange unwanted Vocal Tickets for Another Vocal Cards.
    • During a Cheerful Carnival event, you have the option of changing teams at any time if you don't like your team choice. However, once the first scores are tallied all players are locked into their choice, preventing players from swapping to the leading team after the fact.
    • April 2021 added some quality of life features to Multi-Live to address some of the issues plaguing the infamously-buggy Cheerful Carnival Multi-Lives, including rebalancing the scoring rank in real-time to accommodate players who disconnect mid-match and enabling the activation of Super Fever even if a team member has disconnected.
    • Since Event After Lives are only around for one day, after the event is added to the Event Story roster under the Story tab, you can download and watch a solo version of the After Live whenever you want. If you missed the item from the concert, you can also get the item this way.
    • The Event Story menu also allows quick access to Side Story for cards that are tied to events, including those bought from the Event Shop and cards that appear in related gachas. This makes accessing all stories tied to the event much more streamlined compared to using the Training Menu to see the stories.
    • The June 2021 update introduced a new pity service called Gacha Bonus. This is a gauge that accumulates Gacha Bonus Points whenever you pull from the gacha, with a gain rate of 0.5 Points per Free Crystal pull and 1 Point per Paid Crystal pull. When 50 Points are built up, you can expend gauge to get a random 4★ for free, while building up the gauge to the maximum of 100 Points allows you to get a free 4★ of your choice.
    • The 1st Anniversary update includes multiple quality of life features, such as:
      • The ability to use Gacha Seal Tickets to buy cards directly via a shop. 2★ and 3★ Cards are added to the shop 6 months after their first appearance, while 4★ Cards are added a year after, but Colorful Festival and Birthday cards can't be bought this way.
      • A massive overhaul to the Event Bonus system. The base Bonus for a matching Character/Type has been increased to +25% (from 20%), cards introduced in the corresponding Event Gacha give an additional +20% Bonus, Cards now give extra Bonus based on their Master Rank, Original Virtual Singers are now eligible for +15% Bonus, and any card of the required character is now eligible for Bonus regardless of what Unit it's associated with.
      • A large rebalance to Challenge Live point calculation. Challenge Stages now take less points to level up and Challenge Points are easier to get in exchange for reducing the magnitude by which Challenge Point gain scales with score.
  • Anti-Rage Quitting: Players are encouraged to stay in a Multi-Live to the end even if they run out of Life, as they can still contribute to Super Fever and earn rewards at the end even if they can't score any more points. Players who disconnect from Multi-Lives too often are also slapped with temporary bans from Multi-Lives, and disconnecting in the middle of a song dynamically recalculates score distribution for the other players so they don't get punished for something you did.
  • Arrange Mode: Clearing 30 Lives with a specific character in the Center slot of your formation unlocks the Challenge Live mode, a daily mode where you tackle songs and aim to beat a target score using only cards of that specific character. Clearing the target score grants huge rewards, including Crystals, Character EXP, and a variety of rare materials.
  • Art-Shifted Sequel: The artwork/models in this game are a major departure from Project DIVA. Think animated versions of the VOCALOID3 box art.
  • Ascended Meme:
    • Capitalizing on the already memetic Mikudayo, promotional material for the game introduced "MEIKOdayo" and "KAITOdayo" variants with the same messed-up proportions as the original.
    • The Nene-robo is basically a "dayo"-fied Nene.
    • The "Miku(?)'s Costume" boost item you can buy in the Wonderland Sekai is a life-sized Mikudayo mascot outfit similar to the original outfit worn at Tokyo Game Show.
    • The game brings back the fan-associated Virtual Singer items, with those being Miku's spring onion, KAITO's ice cream, Luka's tuna, MEIKO's wine, Len's bananas and Rin's oranges.
  • Bilingual Bonus: "from Y to Y" MASTER has a section where a series of hold notes spells out "FUTURE WISH" in English during the part where "mirai" and "negai" are sung repeatedly.
  • Bishounen: Akito, Toya, Tsukasa, and Rui are all very attractive and handsome young men.
  • Bland-Name Product: The "Nightcord" chat program that Nightcord at 25:00 uses to communicate appears to be a riff on Discord, the real-life popular chat app.
  • Boke and Tsukkomi Routine: While Tsukasa is capable of some pretty wacky antics on his own, Emu's behavior is so off-the-walls crazy that more often than not he ends up playing straight man to whatever bizarre thought process is running through Emu's head at any given moment.
    • Airi frequently plays the straight man in response to Shizuku's odd comments.
  • Boring, but Practical:
    • Combo achievements on Easy and Normal don't give Crystal, but the Gold rewards are quite plentiful, which can help in a pinch if you need to buy something quick.
    • Because of the extreme rarity and material costs of 4★ cards, 3★ cards will end up being your main bread and butter for a while unless you're ultra lucky or have way too much money, as you're guaranteed one per 10x pull and they're significantly easier to max. A fully invested 3★ will typically have competitive stats and Power with a max level un-invested 4★ with a marginally weaker Skill, making them just as viable.
    • For Character Ranks raising, Star Lessons and Skill Level Up on 1* and 2* cards are the best way to gain Character EXP fast as they cost less resources.
  • Breaking Old Trends: Project Sekai does this frequently, which often throws the players off.
    • During the majority of the games first year, it was believed by players that Virtual Singers would not receive limited edition cards due to nearly all of the Original Generation receiving cards before them. As of the games first anniversary, Miku broke the trend by receiving a limited Colorful Festival card, with the other Virtual Singers receiving limited cards a few months later through a collab event.
    • For nearly the entirety of the games first year, 3DMV's for Leo/need appeared to be exclusively comprised of Miku appearances, as no other Virtual Singer was shown singing alongside the group. However as of the groups cover of Lost One's Weeping, Rin Kagamine was shown singing alongside the group playing her own unique guitar. Later, Len Kagamine appears in a 3DMV alongside the group.
    • Len Kagamine is the first Virtual Singer to be introduced into a new Sekai in a card rarity lower than a 3★. In this instance, he was introduced into Leo/need's Sekai as a 2★ event card.
  • Bribing Your Way to Victory: Originally downplayed in the games first year since the people who paid didn't have that much of an advantage over those who were free-to-play. Due to the nature of how event boosts worked and how event points were added, anyone could tier an event fairly highly (depending on who the event featured) with enough crystals, time, and dedication, even if they were free-to-play. However, this is played straight going into the games second year, as adjustments had been made to the way event boosts work so that event cards obtained from the events concurrent Gacha give a higher boost than cards obtained from the event itself and cards the players had obtained before the event, with relevant gacha cards giving 70% compared to the 50% cap for other cards. In addition, Master Ranking cards also gives a boost to events. However, Master Ranking cards can be fairly difficult or even expensive, especially for 4★ cards since they require 2000 Emotion Fragments, which requires rolling on gacha extremely often or saving up, or 1 Emotion Crystal, which are even harder to get as the player can only get them by reducing dupes of 4★ gacha cards. Overall, the anniversary update makes things a bit more difficult for those who want to tier events without spending money on the game.
  • Call to Adventure: Each of the stories start with the group leader being transported to their respective Sekai and meeting Miku for the first time, who reaches out to them and invites them into the realm of the Sekai to achieve a specific goal.
  • The Cameo: While not appearing in the game physically, non-Crypton Vocaloids reprise their original songs in certain cases, including flower, GUMI, and IA.
  • Cap: 1★ cards cap at Lv. 20, 2★ cards cap at 30, 3★ cards cap at 40 and can be raised to 50, while 4★ cards cap at 50 and can be raised to 60.
  • Cast Herd: Not quite a hard and fast rule as it would seem. Characters typically only interact within their units, but it's very common for them to know characters from other units due to a shared history, being classmates, being related, etc. Three of the five groups even divvy up the four human cast members into specific pairings, such as Tsukasa/Emu, Rui/Nene, Akito/Touya, An/Kohane, and Ena/Mizuki.
  • Character Focus:
    • Although the overarching stories of each group covers all of the characters and how the group formed, each of the stories contains at least one chapter that gives a member from that group backstory and/or characterization.
    • Unit events serve to continue the story of a specific character from that unit, oftentimes also featuring a new song that has that character at the center. "Stella" featuring Saki and "RAD DOGS" featuring Touya are just two examples.
  • Co-Op Multiplayer: Players can team up to clear lives together on multi-player.
  • Cosmetic Award: Getting an All Perfect gives a slightly flashier confetti and jingle at the end of the song. You also get a rainbow pip for song completion instead of the usual yellow pip (cleared) or pink pip (Full Combo).
  • Cover Version:
    • A major element of the music in this game, which features humans covering Vocaloid songs not unlike the popular "utaite" trend. The Vocaloids themselves also get in on the action, with them either singing alongside the human singers, covering other Vocaloid songs (such as Miku performing "Roki", originally a Kagamine Rin song), or both.
    • Songs that have non-Crypton Vocaloids as their original singers may come included with an additional cover redone in Crypton voicebanks, such as "Fragile" having a Len and KAITO version in addition to the standard GUMI version.
    • In addition to SEKAI Ver. and Virtual Singer Ver. songs, ranking up a character will allow you to unlock Another Vocal Ver. songs, which are solo covers of songs performed by specific characters.
    • MORE MORE JUMP!'s theme song, "Newly Edgy Idols", twists it a bit by altering some of the backing lyrics to match the singers depending on whether the SEKAI Ver. (with the MORE MORE JUMP! members) or Original Ver. (with Miku, Rin, Luka, and MEIKO) is played.
  • Covers Always Lie: The original title screen has Ichika meeting base Miku, but it doesn't happen in-game at all (Ichika initially only meets Leo/need Miku) until the end of the first week of the game (the last of a series of virtual lives to commemorate the game's release), where all the unit leaders perform together with base Miku, and in-story until the 1st anniversary event story, where all the unit leaders express shock at base Miku not looking like any of her Sekai versions that they were familiar with.
  • Creepy Doll: In the "Captive Marionette" event, "25-ji" goes on a day trip to an antique doll museum that Ena and Mizuki got tickets for. While wandering the museum alone, Mafuyu comes across a marionette, which subsequently scares the living daylights out of her and causes her to have a nightmare later on.
  • Crossover:
    • Several of the game's songs are featured in SEGA's Performai trilogy of arcade rhythm games. maimai features Rettou Joutou by Vivid BAD SQUAD and Jishou Mushoku by 25-ji, Nightcord de. with accompanying 3DMVs from the game, O.N.G.E.K.I. features Time Machine note  and Tsugihagi Staccato by MORE MORE JUMP!, and Chunithm features Sekai wa Mada Hajimatte sura Inai by Wonderlands X Showtime as well as cards from the game as playable characters.
    • The game is set to feature a collaboration with the Vocaloid-based Evillious Chronicles franchise in December 2021, which will not only add songs from the franchise but also cards that give costumes based on the characters that each Crypton character plays in the Story of Evil story arc. As announced during the official Project Sekai Wondershow Channel #14 livestream, the songs "Daughter of Evil" and "Servant of Evil" will be implemented into the game as part of the collaboration. As well, the newly commissioned song by Akuno-P "Waltz of the Deceased" featuring Rin Kagamine will also be implemented.
    • A Regional Bonus for COLORFUL STAGE! will add a Sonic the Hedgehog outfit for Hatsune Miku as a pre-registration bonus.
  • Cut-and-Paste Environments: Each of the groups have a single stage associated with them that is used across all MVs they perform. They do manage to keep it fresh between songs by drastically changing the setting and theme of the stage to fit the song, however.
  • Damn You, Muscle Memory!:
    • Amusingly, the game's use of variable note sizes can cause headaches for players accustomed to uniform note sizes used in most hallway-style rhythm games. In many of these games, "wide" notes are usually special and usually require a unique input, but in SEKAI big notes are just normal notes but, well, big. Sight-reading charts can thus get confusing for players accustomed to other rhythm games, as the presence of wide notes can easily throw off a player's mental processing. (Unless you also played Tokyo 7th Sisters which has had the same wide notes since November 2017, but even then the way the two games handle holds and multiple inputs vastly differs, resulting in this trope anyway.)
    • As anyone who has played a sufficient amount of MASTER can attest to, any chart with inconsistent or unusual note shapes can be very disconcerting and disorienting to look at, making sightreading that much more difficult. At least (as of this writing) the game has yet to implement variable speeds in its charts, a known Scrappy Mechanic in various rhythm games.
  • Difficulty Levels: with Easy, Normal, Hard, and Expert flavors. New to this game is the dreaded Master difficulty, which must be unlocked by clearing certain conditions under Expert and features astronomically tough charts that range anywhere between 26 to 33!
  • Diminishing Returns for Balance: Live Bonus becomes less effective the more of it you use at once. By default, you can use up to five at once, but while you get 5x EXP/Items for using one and 10x for using two, at three you only get 14x, at four you only get 17x, and at five you only get 20x. During Events, you can use up to double the maximum allowed Live Bonus per song, but you get less and less Event Point multiplier per Live Bonus used after 3, capping at 35x at 10 Live Bonus, and EXP/Item rate scales even worse, capping at 25x for using 10.
  • Dysfunction Junction: Despite the game's cheery outlook, concept and atmosphere, the cast themselves are internally a mess in different ways. A significant number of the characters are shown dealing with varying degrees of depression due to the pressures of societal conformity (Mafuyu in particular is pretty damn close to suicidal) and many others are victims of bullying or have emotionally distanced themselves to avoid bullying from others. Vivid BAD SQUAD are relatively well adjusted in contrast to the other groups with the exception of Touya who suffers dealing with the effects of his father's oppressive control of a majority of his life until he personally decided to call quits and find what it is that he wanted to do. 25-Ji Nightcord de, however, play this even straighter compared to the other groups in the game and their corresponding group's SEKAI being called Empty SEKAI.
  • Early Game Hell: The game pushes Forced Level-Grinding heavily for a while; cards are barely strong enough to even get C Rank from the get go and the weakest Score type provides barely any EXP, material payouts at the start are low and you need a ton of them to upgrade almost anything, and the story mode requires the player to grind a lot to unlock new cutscenes. Doubly so for Challenge Live, which requires improving Relationship Values to unlock additional deck slots, the first of which unlocks at Rank 13.
  • Earn Your Fun: The MASTER difficulty for each song first needs to be unlocked by scoring 7 or fewer GOOD or lower judgments on a song's EXPERT chart.
  • Ensemble Cast: Every unit has their respective stories that can be unlocked and read when the units are leveled up. No unit is given more focus than the others as of current.
  • Eyedscreen: The game is normally presented in fullscreen, but some 3DMVs have black bars on the top and bottom to simulate a widescreen effect.
  • Famous Ancestor:
    • An's father is the keystone member of the music group RAD WEEKEND, whose musical exploits are nothing less than a modern legend in the current day. Vivid BAD SQUAD's story revolves around them trying to find a musical style to surpass the talent of RAD WEEKEND.
    • Shizuku reveals that her father used to be in a hit band. However, due to hiding his identity often and rarely making live appearances, few are aware of his fame, which has allowed the Hinomori sisters to strike out on their own rather than living in the shadow of their father.
  • Flashy Protagonists, Bland Extras: In the normal world, you can see various extras wandering around in the background. They all tend to be the same handful of models depending on the location and are very uninteresting to look at compared to the main characters.
  • Funny Background Event: Due to being on keyboard, there's parts of some songs where Saki doesn't have to do anything and just dances along to the music while waiting for her parts. It's easier to see in Virtual Lives when the player can see the entire performance rather than what the camera sees in the 3DMV.
  • Game-Breaking Bug: There are a few reported bugs as of this writing.
    • There's a bug that makes Multi-Live room not start even after there are 5 players in the room. The developers have released a patch note to address this problem in their next update.
    • There's also a rare reported bug where a player's score gain is drastically lowered during Live, not even reaching 4 numbers after full combo-ing a song.
    • Another particularly destructive bug caused players to lose their accounts if they filled up all ten of their team slots.
    • Another Multi-LIVE related bug. The global score bar sometimes will display a result of lower rank despite getting higher rank. (For example, results is C despite global score bar reaching the B rank line or in some instances, halfway to A). It also affects the rewards given afterwards.
  • Game-Favored Gender: Inevitable due to the Improbably Female Cast, but Project Sekai is affected by this.
    • Male characters are incredibly shafted in the outfits department. They have access to gender-flipped versions of almost all of the base female outfits and vice versa, but any gacha outfits are strictly gender-locked. There being far fewer 4★ for the six men in the game makes it difficult for them to get more outfits. If one were to leave out the mission pass outfits, by the time of the games first anniversary the female character have been given over 50 outfits versus the male characters having a little over 10.
    • There are more female character covered songs in the game than male ones. There are male-only covers, however, and very few female/male covers.
    • Averted Trope in the case of card rarity distribution by gender, as it seems that the creators are attempting to avoid this with the Halloween 2020 Gacha that consists exclusively of high rarity male characters. This is significant as it follows two events and three gachas where high rarity female character cards were released back to back. The June Bride themed Gacha was also male-only, and event shop wise the only female character in the event was An.
    • As the first anniversary outfit Gachas are locked to the respective unit on the banners and the Virtual Singers, the female Virtual Singers benefit somewhat more from it as they have an outfit with every unit while KAITO and Len only have outfits with their unit, Vivid BAD SQUAD and Wonderlands x Showtime, the latter two only being because there were male characters in those units.
    • The female Virtual Singers have received more song, story, and card diversity during the games first year due to their quicker appearances across Sekai.
  • Gameplay and Story Integration: The original songs introduced for 25-ji are treated in-story as Kanade's attempts to help others, such as "kagirinaku haiiro e" being her response to Ena's troubles during the "Unsatisfied Pale Color" Event.
  • Gameplay Automation: A feature called "Auto Live" was added in a post-release update. This allows you to auto-play through songs and get rewards for doing so; this is geared towards players who don't have time to sit down and play the songs themselves, especially during events. However, to balance this against manual song plays, notes hit in Auto Live give "AUTO" note judgments that only give half the points compared to normal, Auto Lives don't track combo and don't count towards any song completion rewards, and you can only use the feature up to 10 times a day.
  • Gender-Equal Ensemble: Wonderlands X Showtime and Vivid Bad Squad both have two guys and two girls each, not counting their respective virtual singers.
  • Genre Mashup: The game's theme song, "Wah Wah World", is a bit strange, featuring Mitchie M's signature cute pop/EDM fused with Giga-P's electronic punk music, alternating between the two styles throughout the song.
  • Good Parents: Those who were relatively well-adjusted, in light of the Dysfunction Junction of the cast, often had this. At least for those who had their parents mentioned. An, for example, had a closer relationship with her parents and being a Daddy's Girl, and Kohane often mentions of how her parents support her new endeavor in joining An, Akito and Touya to create an event that will surpass RAD WEEKEND in the story from time to time.
  • Hard Mode Perks: Harder difficulties drop better and more quantities of rewards than the others, making grinding the harder difficulties more worth using energy on.
  • Improbably Female Cast: Gender ratio is heavily skewed towards females; of the original characters, there are only 4 males among the main cast. With the virtual singers included in the ratio, that makes 6 male characters, 19 females, and Mizuki.
  • Inconsistent Dub:
    • In COLORFUL STAGE!, all game-original characters are referred to in Western name order (first name first), while all Virtual Singers are referred to in Japanese name order (last name first). This is due to Crypton Future Media, which enforces Japanese name order as the proper way to refer to their characters regardless of region.
    • COLORFUL STAGE! uses the official English title for "Hatsune Miku no Shoushitsu", "THE END OF HATSUNE MIKU", rather than the more-commonly accepted "The Disappearance of Hatsune Miku" that was also used in the official translations of the Project DIVA games.
  • Insistent Terminology:
    • "Virtual singers", since the term "Vocaloid" is a trademark of Yamaha and none of the Crypton voice banks use the software anymore.
    • While other characters get birthdays, the game is particular to refer to Virtual Singers having "anniversaries" rather than "birthdays".
    • When referring explicitly to the Sekai, the in-universe Pocket Dimension music worlds, the term is always spelled in katakana ("セカイ") rather than spelling it in its kanji form, meaning "world" in Japanese ("世界"). In COLORFUL STAGE!, the word is rendered as "SEKAI" in all capitals like the Japanese title, rather than being translated.
  • Jiggle Physics: Notably apparent on Meiko's Live2D model being that she's the character with the largest bust.
  • Kids Are Cruel: There's an alarming number of characters whose backstories involve being the target of bullying during their middle school years.
  • Motifs: Occurs in the gacha cards released with the corresponding events they feature in. With the 4*'s featured having unlockable clothes. Some notable examples include:
    • Alice Allusion: An Alice dress unlockable at the start of the game. The gacha featured in the WonderlandXShowtime focused event, "Wonder Magical Showtime" has Alice in Wonderland motifs with the featured characters in the gacha and event rewards dressed as the residents in Wonderland in their uncapped art, such as Nene as the Caterpillar.
    • Fairytale Motifs: The gacha corresponding the 25-Ji Nightcord de focused event, "Mirage of Lights", had a Snow White theme with the group's cards being the cast as different aspects of Snow White throughout the tale that mimics their state in the event. The gacha corresponding the "Mesmerized by Mermaids" event also has Little Mermaid motifs as well.
    • Tarot Motifs: The cards for the "My Footprints, Your Destination" event are themed around tarot cards. Mafuyu and Ena's cards are based on The Hermit, Mizuki's card is called "Hermit Reverse", MEIKO's card is based on Justice, and Kanade's card is based on The Hanged Man.
  • Licensed Game: As the Project DIVA series, but unlike most Vocaloid-themed rhythm games, the Crypton Vocaloids themselves share the spotlight with a cast of Original Generation characters.
  • Logo Joke: The app boots up with one of the characters shouting "SEGA!", followed by another saying "Colorful Palette! From CraftEgg!". Following the development shift in early 2021, the "from CraftEgg" portion was dropped.
  • Market-Based Title: The English title drops the original "Project SEKAI" name completely and puts the "Hatsune Miku" name up front. While no official word has been put out as to why, it has been theorized that this may be because of a naming conflict with Western visual novel localization company Sekai Project.
  • Meet Cute: Ichika and Kanade meet for the first time in the "Intersecting Melodies, Glowing Warmth" event when they reach out for the same CD at the music store. Amusingly, the first thing they notice about the other is their hair.
  • Meido: The "Ai no Material" 2D music video has MORE MORE JUMP! and MEIKO dressing up in maid cafe-style maid outfits. Obtaining the relevant 4★ Haruka or Shizuku cards from the gacha also allows players to buy their maid outfits for any of the girls.
  • Mirror Character: Every Sekai version of a Virtual Singer reflects the characteristics of the original character they're associated with in some way. For example, MORE MORE JUMP's version of Len Kagamine shares his dazzling idolish charm with Haruka, which was spoofed in an official 4koma following his debut.
  • Microtransactions: Per the norm with Japanese mobile games, Project Sekai has microtransactions.
    • Players can do one paid discounted solo per day, which is 100 paid crystals versus 300 free crystals. Two if they have Color Pass activated.
    • Players can use paid ingame currency for a discounted 10-roll (1500 paid crystals vs the standard 3000 crystals).
    • There's also sometimes limited time gacha banners that guarantee a 4 star but you have to pay the 3000 crystals using paid crystals.
    • The Premium Mission Pass costs real world money. Paying for it will allow the player to obtain Premium rewards from Live Missions available ingame. It also comes with whatever costume Premium Pass has for the month.
    • Color Pass is useful for the Premium Pass as it boosts the number of Live points the player obtains which makes getting the rewards faster. There are other benefits for buying the Color Pass as well, as the player gets an increasing amount of Paid Crystals everytime they buy it, as well as free crystals across logging in for 14 days. It also gives the player an extra discounted solo per day for as long as the pass is active. The pass costs real money, and is around four dollars usd, or 480 yen.
    • The game has several monthly packs called "Value Packs" which gives paid crystals (Gacha Tickets after the first anniversary) and materials needed for other parts of the game. In that same section, the player can buy music cards, stamp sheets (needed for obtaining stamps at a quicker rate) and they can buy Live pts for their mission pass.
    • The game introduces first anniversary costumes for each unit, including the Virtual Singers. However, unlike shop outfits that can be crafted for free, these outfits cost money and are attached as bonuses to a paid gacha that can only be rolled once per unit.
    • Connect Live, a special type of Virtual Live that is supposed to give the feeling of the player attending an actual concert, is paid content. However, there are plans for the developers to implement a way for free-to-play players to watch the event until halfway.
  • Multiple Demographic Appeal:
    • The Improbably Female Cast makes it clear that the game is targeted towards young adult men first, but the game makes an effort to appeal to a wider base with the inclusion of Bishōnen male characters, compared to similar gacha games that predominantly feature only men or women. Mizuki's Ambiguous Gender has also proved popular with a wide variety of players.
    • There's also the fact that by music alone the game features a huge variety of songs and also makes an active effort to include more recent hits while also including a larger selection of classics, drawing in both older and newer Vocaloid fans alike.
  • Mythology Gag:
    • The concept of the Sekai is essentially an extension of the Element Clouds in Project DIVA X, itself a reworked version of the song categories from the very first Project DIVA game.
    • In a similar fashion to Project DIVA X, some of the MVs feature choreography that was originally used in the Magical Mirai concert series, such as "Rettou Joutou".
    • Difficulty colors are carried over from the main series with the addition of EX EXTREME's purple color: blue (Easy), green (Normal), yellow (Hard), red (Expert), and purple (Master).
    • One of the Premium Mission Pass outfits is the hoodie that Mikito-P's avatar wears on the cover art for "Roki", complete with the paper target stuck to the character's head.
    • Unlike most of the other returning songs, which feature different cuts compared to their appearances in the DIVA series, "The Intense Voice of Hatsune Miku" uses the exact same cut as the DIVA version but using the 2017 remake instead of the original.
    • "Glory Steady Go!" namedrops "SEKAI", "mirai", and "DIVA" in its lyrics, alluding to the three titles under the SEGA feat. HATSUNE MIKU Project banner.
    • Some of the 3DMVs pay tribute to the original videos for their songs.
      • "Rettou Joutou BRING IT ON" has barbed wire and yellow tape appearing at the edges of the screen during the chorus, similar to the ones that appeared in the original video.
      • The Original Generation song "A Future Written as Regret" has a Freeze-Frame Bonus of the origami crane that appears in mafumafu's MV.
      • The stage variant that Leo/need uses for "Teo" features the library from the original MV outside the window.
      • "Nostalogic" has a new 2D music video that is heavily inspired by its video in Project DIVA F, including the Blue Crystal outfit and the city scenery in the background.
      • The new music video for "Just Be Friends" features a lot of imagery that appeared in the original version (which cannot be used for legal reasons).
      • The 2D MV for "Keitai Renwa" also features some visual similarities to the MV used by mafumafu, especially during the chorus segments.
      • The outfit Miku wears in the "Ren'ai Saiban" 2DMV hybridizes the "judge" outfit from the original music video with elements of Miku's "Stage Sekai" design.
      • The 3DMV for "Children Record" has the screens on-stage colored according to the signature colors of the Mekakushi-dan alongside their corresponding numbers within the group (including a red "No. 0" for Ayano).
      • The chorus for "ray" has the stage changing to a setpiece similar to the screens used in the original music video to show Miku singing alongside BUMP OF CHICKEN.
  • Necessary Drawback: You can buy an item that boosts Miku specifically in every single Sekai. It's much cheaper to buy this item in both material and monetary costs, but each one boosts her by only 0.4% per purchase compared to the 2% per purchase that everyone else gets, and the 0.2% boost for items that boost all Virtual Singers.
  • Nominal Importance: The main characters do talk to characters outside of the main cast at times, however these characters are more often than not unnamed, receiving generic titles such as "Student A" or "Student B" to differentiate them.
  • Not-Actually-Cosmetic Award: Clearing achievements nets Titles, which can be equipped on your profile card for other players to see during Multi-Lives. While most are cosmetic in nature, some of them grant passive boosts to your Team Power after they've been earned.
  • Nintendo Hard: MASTER in a nutshell.
  • One Degree of Separation: All of the groups are connected to each other via at least one member; two of Leo/need's members have siblings in MORE MORE JUMP! and Wonderlands X Showtime respectively, while Akito from Vivid BAD SQUAD is the younger brother of Ena from 25-ji, Nightcord de. Some of the characters are also classmates with each other or interact with another character at different occassions, such as Kohane being in the same class as Minori, and Honami working part time as a housekeeper of the Yoisaki household.
  • One-Gender School: Miyamasuzaka Academy is an all-girls school. The other school introduced in-game, Kamiyama High, is a coed school.
  • Original Generation: In addition to all the human characters being unique to the game, the game continues the tradition of songs made exclusively to appear in the game, such as the game's theme song "Wah Wah World" (by Giga-P and Mitchie M) and Leo/need's theme song "needLe" (by DECO*27).
  • Out of Focus: Virtual Singer focus distribution tends to be... uneven, so to speak. As a rule of thumb this applies to all of them in general because the game is mostly about the original characters in the first place despite being a game that's all about Vocaloids and Vocaloid music, but some notable examples:
    • Ironically, most of the original songs that aren't for Leo/need tend to treat the joining Vocaloid as more of an afterthought, with most of the Virtual Singers having very few solo lines and otherwise only joining in alongside another singer where they tend to blend in.
    • In a possible effort to combat the issue of Miku typically getting the lion's share of the focus, most events, covers, and new cards after the first few months have brought in Virtual Singers other than Miku; however, this resulted in Miku herself getting shafted in various ways despite literally being the title character.
      • Of All the Miku's introduced, Classroom SEKAI's Miku is the only one who had been introduced since launch, but did not have any other additional cards of her until April 2021's event, "Singing With You in A World Where Cherry Blossoms Dance".
      • Stage Sekai Miku has taken Leo/need Miku's slot in having no cards since her initial one from the launch Gacha, as at the time of the games first anniversary, it's her only card after the obligatory 1 star card that all the other Miku versions have. It doesn't help that every card Miku receives is counted toward Miku's total number of cards, meaning she can't receive multiple cards per Sekai version in a short time span for the sake of fairness to the other characters.
      • Crazy enough, Street SEKAI Miku was not featured in any non-commissioned song covers for over an entire year until "Alter Ego" in November 2021.
    • Luka doesn't have any 3DMV appearances until "Color of Drops", four months after the game initially released.
    • Vivid BAD SQUAD MEIKO is the only version of MEIKO that doesn't sing with her subunit despite it being the subunit she was assigned to at launch. Because of this, she has appeared in none of the teams 3DMV's or 2DMV's, and hasn't received a commissioned or cover song with the unit either. An early area conversation gives a reason for this, explaining that her role is to run the crase cafe while also hinting that she may sing with the group in the future. That said, as of the games first anniversary she still hasn't sung with the unit.
    • Len and KAITO were left behind in their base Sekai for a long time note , giving them little opportunity for card, story, and song diversity. It wasn't until "Happy Lovely Everyday!" for Len and "STRAY BAD DOGS" for Kaito where they would finally start to appear in Sekai other than their base ones.
    • Original Ver. Virtual Singers (the ones not associated with a Unit) never received a Card beyond the basic 1★ Cards until 1st Anniversary, where Original Miku received a ColorFes 4★.
    • Compared to Miku, Rin, and Len, KAITO and MEIKO barely have any of their original songs in the game. As of the games first anniversary, KAITO has "Doctor Funk=Beat" and MEIKO has "Nostalogic". Together they have "On the Rocks", while with the other Virtual Singers they have "Blessings", but that's it in terms of songs that existed before Project Sekai. While Project Sekai has given them a few commissioned songs with other units and a few cover versions of existing songs, they still pale in comparison to the amount of songs the other Virtual Singers have. Even Luka is somewhat better off than both of them, as she has "Leia - Remind", "World End Dance Hall", "Dreaming Chuchu", "Just Be Friends", "Happy Synthesizer", "Blessing" and "Drop Pop Candy". Interestingly, There have been a few songs requested by players featuring KAITO and MEIKO in past polls, with "On the Rocks" being one of them and the only one that has made it into the game so far.
  • Painting the Medium:
    • The MASTER chart for "Teo" has a pair of hold notes rapidly swinging across both ends of the lane during the line "yurayurayurayura" (a Japanese onomatopoeia for swaying). The line "kirakirakirakira" (an onomatopoeia for sparkling) also features multiple small gold hold notes in the form of sparkles.
    • "Your Adventure Log Has Vanished!" MASTER likes this one, such as two hold notes shaped like an O when Len says "Oh!", two hold notes shaped like thumbs-ups during the line "so good!", a pair of hold notes shaped like a dungeon map, and a large critical hold note that resembles a cross.
    • "Just Be Friends" has golden critical notes shaped like teardrops during the line "dareka no namida".
    • The EXPERT and MASTER maps for "Roki" has series of hold notes spelling out "ROKI" and "ROCK N'ROLL", respectively.
    • The HARD and EXPERT maps for "Dance Robot Dance" have flick notes corresponding to the "up, side, up side down" lines.
  • Palette Swap: Every unlockable MV outfit has four different color variations. The first color is available by default while the other three need to be unlocked before they can be equipped.
  • Player Personality Quiz: After the introductory cutscene, you're given a short three question quiz that determines which group's intro cutscene you should watch first. Of course, you're also free to ignore the results of this quiz completely and choose whichever group you like, and the cutscenes you didn't watch are available after the intro.
  • Player Versus Player: The Half Anniversary update introduced a new event format called Cheerful Carnival Event, an extension of the Multi-Live system where players join teams Splatfest-style and ally with four other teammates to compete against opposing 5-player teams for the highest score. Winning teams get additional rewards in addition to the standard event prizes.
  • Play Every Day:
    • The game encourages players to keep coming back with daily log-in bonus's. Launch month also has them state that they'll add new songs that can be played every day for the entirety of the month.
    • There's also a LP point ladder that rewards Crystals and Coins when certain points are accumulated. It is encouraged to play everyday to get all of the rewards.
    • The 1.6.0 update added a stamp card to Challenge Live that grants additional rewards for showing up to complete your daily Challenge Live play.
  • Pocket Dimension: The various Sekai that the player and characters can visit. There are currently five of them aligned with the different units and their aesthetics, and each one designated a version of Miku along with another virtual singer. The only exception is the Empty World which only has a version of Miku and no other virtual singer. At least until "Unsatisfied Pale Color".
  • Power Equals Rarity:
    • 4-star cards are more powerful than any other card rarity and are notably more difficult to obtain.
    • Downplayed with Ribbon/Birthday rarity cards, which have a single pink ribbon for a rarity tier in place of stars. They are a type of limited card that can only be pulled from a special birthday banner available for around a week during a character's birthday, and have a pull rate on par with 4-Star cards with the only difference being an added "fixed pity" where the card is guaranteed within 100 pulls. However, Ribbon rarity cards are functionally "3.5-Star" despite their limited availabilty window and pull chance, as they are weaker than 4-Stars, have esoteric skills of debatable utility, don't have special flavor stuff like Card Stories or Costumes, and require 1000 Emotion Fragments to Master Rank compared to the 50 for 3-Star and 2000 for 4-Star.
  • Power Up Letdown: Each SEKAI has an item that can be used to boost Virtual Singers. This sounds like it would just universally boost the stats of any Virtual Singer character... except it doesn't; it works the same way as the Unit boost items in that it only boosts non-unit Virtual Singer cards. This essentially makes the items nigh-useless since there are only seven Virtual Singer cards in the entire game, six of them being starter 1★ cards and the 7th being Miku's ColorFes Anniversary 4★ card.
  • Powered Armor: A particularly humorous scene in the "Exciting Picnic!" event has Rui going off on a very wordy and rapid tangent about an exoskeleton he invented that would augment the wearer's physical strength. It was apparently designed so Tsukasa could wear it and swing across the stage on a rope Tarzan-style.
  • Product Placement: All of the instruments used by members of Leo/Need and their respective Virtual Singers are modeled after real instruments.
    • Ichika: Fender American Original '60s Telecaster in lake placid blue.
    • Saki and Rin: KORG KROSS 2 61-Key Synthesizer in gray-orange
    • Honami and MEIKO: Yamaha Stage Custom in Cranberry Red
    • Shiho: Fender American Elite Jazz Bass in ebony/ocean turquoise
    • Miku: Fender Stratocaster
    • Luka: Fender American Standard Precision Bass
    • MEIKO: 1960 Mosrite The Ventures in candy apple red
    • KAITO: Gretsch G5655TG Electromatic Center Block Jr. in azure metallic
  • Production Throwback: A few to BanG Dream! Girls Band Party!:
    • The EXPERT chart of "Rokuchounen to Ichiya Monogatari" is essentially the Expert and Special charts of the same song in BanG Dream combined, which according to the developers was intentional; the intention was for players to "grin in response to the charting".
    • The SEKAI version of "Lost One no Gotoku" EXPERT recycles more than a few chart elements from its BanG Dream EXPERT chart, which is also a Lv. 26.
  • Pronoun Trouble: Due to the use of Ambiguous Gender, Mizuki's pronouns are hard to pin down; they are generally referred to gender-neutrally by other characters, while Mizuki themself uses "boku", which would normally convey either a male disposition or a Bokukko but in writing this is explicitly spelled in katakana instead of kanji, leaving the matter muddy. Most English-speaking fans use they/them, and COLORFUL STAGE! evades the question by having different characters use different pronouns according to how they perceive Mizuki's gender.
  • Punny Name: Leo/need is named after the meteor showers of the same pronunciation (which is also why their band logo has a shooting star). The name of their theme song is also just the band name in reverse and the "o" dropped.
  • Real Men Wear Pink: The "Beat Eater" 2DMV has Vivid BAD SQUAD decked out in pink and black attire, including Len, Akito, and Touya. Touya even sports a big, fluffy pink hoodie.
  • Relationship Values: Clearing certain tasks corresponding to each character earns Character EXP, which improves Character Rank when enough EXP is earned. In addition to providing small stat boosts, ranking up a character provides rewards such as Crystals and Vocal Tickets, which can be used to purchase Another Vocal Ver. songs at the music store.
  • Revenue-Enhancing Devices:
    • Connect Live, a large-scale version of a Virtual Live that features full-version songs and characters reacting in real-time to messages that you send to them, requires you to buy a virtual ticket with real money to attend unlike the standard Virtual Lives. Non-paying players can opt to attend a "Rehearsal" version of Connect Lives that only charges 100 Crystal for entry, but features fewer characters and game size songs, and only lasts 30 minutes (compared to the full 1 hour concert).
    • The first anniversary Gacha outfits are this as well, arguably. Unlike the Miracle Ticket Gacha, which at least gives the players a 4-star Gacha ticket that allows them to pick any non-limited 4-star in the game up to Awakening Beat, the player is given the opportunity to use 10-roll which costs 3000 paid crystals for one outfit per unit and all of it's color-swapped versions as a "bonus". The outfits are locked to the unit on the banner as well as the Virtual Singers, meaning that unlike the shop outfits and outfits unlocked through the Gacha, they can't be crafted and worn by other characters. As well, the outfits being obtainable for the Virtual Singers only really benefits the female ones, as they can wear an outfit from every unit while the male Virtual Singers only have outfits for their unit, Vivid BAD SQUAD, and Wonderlands x Showtime, solely because those 3 units have male characters to assign outfits to. Essentially, the banners are just another way for Colorful Palette to make money and don't really benefit the players to roll on unless they care about dressing up the characters or simply want to collect every possible outfit the game has to offer.
    • Birthday cards. They're the rarest kind of cards in the game due to only being available at the time of the characters birthday, though their debatably useless skill, lack of an outfit, the fact that they're available in the gacha at a 4★ rate and the expensive Master Ranking requirement make them not worth rolling for unless you really like the character or are a collector. On the other side, they clearly exist as a new way for developers to earn money along with the other things that were announced during the first anniversary.
  • Running Gag: Kanade's attempts to turn the Empty SEKAI into her private workspace. Also complaining about the lack of power outlets in the Empty SEKAI, which would help her use her PC.
  • Sempai Kouhai: Tsukasa and Touya have this relationship, with Tsukasa being the quirky outgoing sempai and Touya being the cool and reserved kouhai. Despite their clashing personalities, Touya holds Tsukasa in high regard and credits him with helping him find his way in life.
  • Set Bonus: Unit items give an additional stat bonus on top of the base stat bonus if every card in the team is of the same unit.
  • Shout-Out:
    • "The Disappearance of Hatsune Miku"'s MASTER chart appears to be inspired by its Chunithm MASTER chart.
    • One of the yonkoma panels shows Nene controlling the Nene-robo like a video game character, with the Nene-robo performing a Shoryuken.
  • Sick Episode: In the "Mirage of Lights" event, Mafuyu falls feverishly ill and passes out in the park. Kanade accidentally finds her and brings her to her apartment to nurse her back to health, where Mafuyu has a flashback to her childhood.
  • Spiritual Successor: To CHUNITHM, as evidenced in the variable-width notes, the way slide notes look and are designed, and the flick notes that look just like Chuni's AIR Notes.
  • Spotlight-Stealing Squad:
    • Miku is very guilty of this (her name's on the title!), but later content has gone out of its way to avert this, with many covers and commissioned songs after the first few months prominently featuring Vocaloids that aren't Miku. The only version of Miku that continues this trend is Leo/Need Miku, who sings most of Leo/Need's songs along with Ichika, even if she isn't Virtual Singer featured in the event.
    • Wonderlands X Showtime characters are very frequently featured in mixed unit events, with characters from the unit appearing in "Run! Sports Festival!", "KAMIKOU FESTIVAL", "Sekai's Happy New Year", "Resounding Twilight Parade", and "The Tenma Household's Hinamatsuri". The only mixed unit event that a WonderShow character doesn't appear in is "Singing With You in a World Where Cherry Blossoms Dance".
    • Leo/need invariably features Ichika singing in every song, with the other band members only getting some solos at best. This is at least justified since they are the only unit in the game with a "band" format, and Ichika is the lead singer.
    • During the games first year, the female Virtual Singers have received much more story focus than the male counterparts due to their far quicker appearances across Sekai, giving them more opportunities to establish relationships with each Sekai's original characters, as well as more card and song diversity. It had gotten to the point where players had begun to wonder if the male Virtual Singers would appear in the other Sekai at all before Len finally appeared in MORE MORE JUMP's Sekai during the event "Happy Lovely Everyday!".
    • Since launch, the Kagamines have been up there with Miku when it comes to song focus, to the point where this may be the only part of the game where Len hadn't been shafted during the games first year.
    • The unit leaders. With the exception of Ichika, who triples as part of the "leader group", designated Series Mascot, and the biggest Audience Surrogate due to her representing Virtual Singer fans, the other unit leaders aren't that much more important than the members of the groups beyond the main story, and not even in it in some cases. Despite this, they're given more advertising focus than the other characters in their units, and are gradually working their ways up to being treated as series mascots along with Ichika now that they're the only original characters featured on the home screen after the games first anniversary. In her fes story, original Miku summons the group leaders to her Sekai to thank them for taking care of her other versions. It's unknown if she's done something similar for the other members of each group, or if her summoning these characters was entirely coincidental from a story standpoint.
    • Despite what advertising might show, the original characters are the predominant focus of the game while the Virtual Singers are relegated to playing supporting roles to varying degrees of importance. In some events, a Virtual Singer might be present in three or less of the event story chapters, even if they received a high rarity event card. It likely doesn't help that the event stories tend to take place in the real world, where only the original characters can go and the Virtual Singers can only appear as projections in. Tellingly, during the games first year there has only been one event banner featuring a Virtual Singer, which was Miku on New Years, though even then Miku wasn't the focus of the event it was tied to.
  • Strong Family Resemblance: Saki and Tsukasa have similar hair and eye colors, making them look almost like gender-flipped versions of each other. Subverted with the other two sibling pairs, Shiho/Shizuku and Akito/Ena, who look almost nothing alike.
  • Surprisingly Good English: Vivid BAD SQUAD's cover of "ECHO" demonstrates the group's ability to sing in English, and they do quite the bang-up job.
  • Take That!: NayutalieN engages in a bit of meta-humor in "MORE! JUMP! MORE!", whose bridge pokes fun at the insane amount of Emotion Fragments you need.
    "Now just a few more, a few more Emotion Fragments! Even if it's not enough, we'll keep moving forward!"
  • Tech Demo Game: The game effectively doubles as an advertisement for Crypton Future Media's "NT" series of voice bank software, their in-house counterpart to Yamaha's Vocaloid software. All of the Crypton characters use the NT software for speaking and have had their tuning redone in NT for SEKAI Ver. songs, including those that haven't had their software released yet.
  • There Are No Therapists: Many of the problems that the cast face are dealt with exclusively by the main cast despite the fact it's blatantly clear that some of the characters really need professional help. Especially if it involves 25-ji, Nightcord de.
  • Title Scream: The title screen features the cast saying the name of the game.
  • Tragically Misguided Favor: In the Vivid BAD SQUAD story, Akito and An agree to hold a friendly competition at a live event, but the Musician for BAD DOGS, in an attempt to allow BAD DOGS to win, sabotages the event during Vivid's performance by cutting the sound. While An manages to rerail the event even without the music, Kohane is left extremely shaken from stage fright. However, Akito takes credit for the sabotage and claims that he was trying to prove that Kohane wasn't ready for the big stage (in a Cruel to Be Kind manner).
  • Virtual Celebrity: Unique in that this also applies to the virtual singers in-universe.
  • Virtual Paper Doll: The player is given the option to dress up the characters in a slew of different unlockable MV outfits. More outfits are added as gacha rolls out.
  • Vocal Dissonance: The characters in MV's are interchangable even if you set the sound so that only the virtual singers are singing. Therefore, you can have the male characters singing in the female roles, the girls being mismatched with the voices, and etcetera.
  • Write What You Know: Invoked by Wonderlands x Showtime during the "Wonder Magical Showtime!" event, whose park-wide show is a recreation of Phoenix Wonderland's history and current state. In it, a young girl is entrusted by her dying mentor with the amusement park he created after a war, but believes that she doesn't have the ability to keep it running like he did. However, with the power of everyone working together, she eventually makes the park shine brighter than ever.
  • Yonkoma: An official one is released alongside the game updates. Panels from the comics can also be seen during the in-game loading screens.

Alternative Title(s): Hatsune Miku Colorful Stage


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