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Video Game: beatmania
The over 2000 notes in under 2 minutes. That's beatmania IIDX, It's too hard! note 
beatmania is a popular Rhythm Game developed by Konami as a part of their Bemani games. Considered by many to be one of the forerunners of the modern music game. Of course when they realized how popular the arcade version was, Konami would milk the genre for all its worth with spin-offs (involving dance, drumming, smacking colored buttons, and slapping a grid of buttons), and an endless assortment of Mission Pack Sequels and reboots.

Originally described as being a "DJ simulator" (which actually did make sense, given that it had a more hip-hop/house-oriented soundtrack in earlier installments), with what the game has evolved into since the dawn of the 21st century (with almost every genre of music represented, especially if it's electronic and/or hardcore), its a stark contrast to what it used to be.

The basic game is simple, players are armed with a 5-key piano-styled keyboard and turntable, and must press keys or scratch the turntable when notes cascade down the screen corresponding to them. This fills up a Groove Gauge; if the gauge finishes above a certain threshold, you pass, it's just that simple. But, when you look at harder songs though, it's also anything but.

There have been three major incarnations of the game:
  • beatmania (or "5-key" beatmania), the original series. First released in 1997, lasting with new versions until "THE FINAL" in 2002, where the aging series (it used the exact same hardware, and presumably the same engine, for its entire life) was finally discontinued in favor of...
  • beatmania IIDX, first released in 1999 as a spin-off, but becoming the primary series in 2002. Kept the same basic gameplay, but added two additional keys to the control array (for a total of 7), a fancier cabinet (with more lights, more effectors, a widescreen monitor, turntables on opposite ends, an LED marquee, and a bass platform), and a difficulty curve that keeps on getting worse every year. What'd you expect when its now on its 22nd version?!
  • beatmania III, a failed attempt to remake the 5-key series using more modern hardware, with higher quality graphics and sound, more effectors, more speakers, effector pedals (which could also be used in special charts), save data on floppy disks, and more. It didn't last long, however, only a few years (it did get its own "THE FINAL" as well).

    Games in the "5-key" beatmania and beatmania III series: 
All entries are arcade releases unless otherwise noted.
  • beatmania (1997)
  • beatmania 2ndMix (1998)
  • beatmania 3rdMix (1998)
  • beatmania Complete Mix (1999)
  • beatmania 4thMix (1999)
  • beatmania 5thMix (1999)
  • beatmania ClubMix (2000)
  • beatmania 6thMix The UK Underground Music (2001)
  • beatmania 7thMix Keepin' Evolution (2002)
  • beatmania THE FINAL (2002)

    Games in the beatmania IIDX series: 
All entries are arcade releases unless otherwise noted.
  • beatmania IIDX (1999)
  • beatmania IIDX substream (1999)
  • beatmania IIDX 2nd Style (1999)
  • beatmania IIDX 3rd Style (2000; PS2: 2000)
  • beatmania IIDX 4th Style (2000; PS2: 2001)
  • beatmania IIDX 5th Style (2001; PS2: 2001, subtitled -new songs collection-)
  • beatmania IIDX 6th Style (2001; PS2: 2002, also subtitlted -new songs collection-)
  • beatmania IIDX 7th Style (2002; PS2: 2004)
  • beatmania IIDX 8th Style (2002; PS2: 2004)
  • beatmania IIDX 9th Style (2003; PS2: 2005)
    • First IIDX title to run on PC-based hardware. The transition is infamous for various glitches, including timing problems. Also the first game to support Konami's e-Amusement network.
  • beatmania IIDX 10th Style (2004; PS2: 2005)
  • beatmania IIDX 11 IIDX RED (2004; PS2: 2006)
  • beatmania IIDX 12 HAPPY SKY (2005; PS2: 2006)
    • First to feature the current difficulty system.
  • beatmania IIDX 13 DistorteD (2006; PS2: 2007)
  • beatmania IIDX 14 GOLD (2007; PS2: 2008)
  • beatmania IIDX 15 DJ TROOPERS (2007; PS2: 2008)
  • beatmania IIDX 16 EMPRESS (2008; PS2: 2009, subtitled + PREMIUM BEST)
    • The PS2 port is the last home IIDX port, and is on two discs: Disc 1 is the usual set of songs new as of EMPRESS and some revival songs, and Disc 2, PREMIUM BEST, is a collection of revival songs throughout the entire series.
  • beatmania IIDX 17 SIRIUS (2009)
    • First game to have crossover unlocks that require you to play other BEMANI games to unlock them on IIDX.
    • Introduced charge notes (where you hold down a note and release at the end) and backscratch notes (where you turn the table one way and then the other at the end).
  • beatmania IIDX 18 Resort Anthem (2010)
  • beatmania IIDX 19 Lincle (2011)
  • beatmania IIDX 20 tricoro (2012)
    • Runs on new hardware, with proper High Definition support.
    • The modifications window was revamped to include more options (accessed by pressing the VEFX button). In addition to the standard modifications, it allowed players to adjust the appearance of note judgments and score, as well as change the timing window itself.
    • Allows Hi-Speed mode to be adjusted by 0.01 increments, instead of 0.50.
    • Its soundtrack is the first soundtrack in the series to be released internationally.
    • An Achievement System called Tran Medals was implemented for eAmusement members. It also unlocks songs.
  • beatmania IIDX 21 SPADA (2013)
    • First game to allow switching between single and double play before each stage (rather than just before selecting game mode).
    • Adds a Favorites folder.
    • Due to tax hikes in Japan, as of April 2014, SPADA now requires playing with PASELI (120P, or 120 yen, for a standard credit, rather than 100P as before) in order to access the full feature set. Players who use 100-yen coins miss out on a number of features, including getting Extra Stages.
  • beatmania IIDX 22 PENDUAL (2014)
    • The game features "present" and "future" phases, depending on the current day of the week. Each phase has its own interface, system music, and exclusive songs.

The series is still popular in Japan, but has seen the shores of the United States a few short times, unfortunately, and shows no signs of another U.S. release.

The Beatmania franchise provides examples of:

  • Achievement System: Tricoro introduced Tran Medals, rewards you get for doing certain things. While mostly cosmetic, you do need them to unlock some songs.
  • Akashic Records: The "genre" for the song Almagest. It makes some sense, given the the title of the song, but still...
  • Ambiguous Gender: Lincle's Lincle Kingdom brings us Rche, an angel who appears to be female, but sports a male symbol tattoo on their bellybutton. Furthermore, supplementary material censor out references to Rche's gender.
  • Announcer Chatter:
    • In the 5-key series and early IIDX games, a rapper-like voice cheers you on when you insert coins or select a song.
    • Starting with IIDX RED, a voice calls out the folder you open during the song select. Later versions let you choose other announcers, often Bemani vocalists like Kanako Hoshino and SUPER STAR MITSURU.
    • In tricoro, a robotic female voice can be heard in the card entry, mode select, and result screens, instructing you to insert your e-Amusement pass and select a mode, as well as thanking you for playing at the end of every round.
    • SPADA has a very manly Large Ham Announcer.
  • Artifact Title: Inverted for IIDX: the game was originally produced in two different styles of arcade cabinets, the now rare "standard" cabinet, and a "deluxe" cabinet. On the standard cabinet, the game was known as "beatmania II", but the Deluxe cabinets carried the title "beatmania IIDX" on its artwork and software instead. Later on, the standard cabinet was discontinued, leaving only the deluxe one. At this point, "beatmania IIDX" became the official name of the series
    • Although, a few errant generic videos (primarily, the Cyber Beat Nation one from 3rd Mix), still contain references to "beatmania II" in them.
  • Ascended Glitch: The song "GAMBOL" was notorious for an infamous bug that gave it unusually small timing windows. It was fixed for the arcade version of Happy Sky; the Normal difficulty was the fixed version, and Hyper contained the glitched one. But then, Konami decided to troll players further on RED CS with a new Another chart... which makes it even worse.
    • Even better, hidden codes on the home versions of DJ Troopers and Empress (spelling out "G-J-H" or "G-J-A" by highlighting songs starting with those letters, and pressing Select on each one) lets the player use those timing windows on any song.
  • Ascended Meme: Some Beatmania DJs themselves use the term "Nidera (弐寺)" instead of Two-D-X when talking about the IIDX series, and Ryu☆ described himself in the comments for Second Heaven as "That 'Somebody Scream!'guy" as a result of Misheard Lyrics.
  • Audio Adaptation: The ROOTS26S[uite] drama CDs centered around the DJ characters.
  • Beach Episode: Resort Anthem, ironically released shortly before the end of the summer season.
  • BFS: A common element in SPADA's interface.
  • "Blind Idiot" Translation: Sometimes happens with the LED marquee. For example, the Lincle song "Tostugeki! Glass no Kneeso Hime!" note  is displayed on the marquee as "RUSH! PRINCESS GLASS OVER-KNEE"
  • Bonus Boss: Beginning on Distorted, versions have featured new extra stage systems integrating with e-Amusement, where meeting certain conditions in-game unlocks additional boss songs in a themed area; usually only accessible on the Extra Stage, and always under themed aliases. Beating all the songs in the area will either lead to the True Final Boss as the One More Extra Stage ... or just lead to yet another tier of boss songs.
    • On Resort Anthem, this changed a bit. There were still bonus bosses, but instead of an Extra Stage system, they were now unlocked with "dellar points" earned in World Tour mode.
    • Lincle returns to the previous style with the Lincle Kingdom, the first three bosses involve playing sets with the EX-HARD modifier that are either of the same genre, from the same version, or by the same artist. This time, they were themed around the seven sins.
    • Tricoro has Legend Cross, which involves playing sets of songs from a single version to meet a goal that involves the number 573) to unlock an "Astran light" for that style. Bosses unlock once certain pairs of lights are obtained; each boss so far is a mash-up of other songs from their corresponding mixes (i.e. "SYNC-ANTHEM" is a mash-up of Tatsh songs from RED and Resort Anthem; you need to get both of their lights to unlock it). Clearing one of the bosses nets you a crystal. Get them all and you unlock Thor's Hammer. AAA'ing that song will unlock the OMES for Tricoro, Plan 8. However, playing Plan 8 removes half of your crystals and relocks Thor's Hammer. After an update in December 2012, players can now buy Devil and Angel Cards with points to unlock the songs for standard play; Angel Cards are more expensive, but allow the song to be unlocked even if it wasn't beaten before.
    • And now in Tricoro we have another bonus boss system, Omega Attack, a.k.a. Blockbusters: IIDX Edition. Playing the game earns CP, which can be used to buy weapons and upgrades to clear viruses off a map of hexagon tiles. While there are some other new songs and two CS exclusives among them too (i.e. "Tamayura" and "Reflection into the EDEN"), Sector A and Sector B both have one new boss-level song, "トリカゴノ鳳凰" and "Proof of the Existence". Unfortunately, the major flaw is that this system involves lots and lots of Level Grinding.
  • Boss in Mook Clothing: In Resort Anthem, the song "灼熱Beach-Side Bunny" strangely inverts and then subverts this. While it's the One More Extra Stage song, if one listens to it without knowing that, they'd hear... this. Not too intimidating, is it? Tell that to the 667 scratches. Of course, this is a Dj MASS Mad Izm* song, so it always has a metric ton of scratching.
    • A milder example from the same game: While most Extra Stage songs are fast-pased songs with a sense of "hardcore"-ness, "ANTHEM LANDING", which serves as Resort Anthem's Extra Stage, is a more modestly-paced and somewhat mellow Latin-esque track.
    • Go all the way back to 10th and you'll find the boss song "One More Lovely", it sounds like it came straight out of a DDR game, and even has "HAPPY" as its genre. Yet, it will definitely make an inexperienced player frown, especially at the end (of course)
  • Boss Rush:
    • Since the implementation of the extra stage systems (which typically contain the harder bonus songs of a style), there will always end up being an Expert mode course which contains said songs. Class mode also provides the infamous Kaiden course, which usually consists of the 4 hardest songs available on that particular game; as of Spada, it contains 嘆きの樹 (Distorte D OMES), 灼熱Beach Side Bunny (Resort Anthem OMES), 卑弥呼 (Hidden ultra-difficult song in Empress) and 冥 (Happy Sky OMES, considered the toughest task in all of rhythm gaming).
    • tricoro's Limit Burst song "Sol Cosine Job 2", requires that you do this to unlock it—specifically, play three songs that were One More Extra Stage songs on previous versions
  • Boss Subtitles: When playing "MENDES" as a OMES, the LED marquee scrolls the message "Warning AREA15 Enemy Approrching!!"
    • "Sense 2007" on Gold did this too, but with the much less frightening "WELCOME TO BLACK ROOM... IT'S PARTY TIME!!"
    • "Nageki no Ki" scrolled a whole bunch of words relating to grim subjects (DEATH GRIEVES DESTRUCTION MUTATION COLLAPSES SOLITUDE, etc.)
  • Boss Warning Siren: In beatmania IIDX, after unlocking an Extra Stage boss song, the music select BGM will be overriden by a short loop of the boss, or a new BGM altogether in beatmania IIDX 20 tricoro. In some cases, the background will change accordingly. This only applies to bosses that are made available on the standard music select screen, not bosses accessed through a special "boss select" screen (e.g. beatmania IIDX 13 DistorteD's Cardinal Gate or beatmania IIDX 16 EMPRESS's Empress Place).
  • Bowdlerise:
    • Bikini result images were removed from the PS2 port of EMPRESS to maintain the game's CERO A rating.
    • In Korean versions of IIDX, "New Decade IIDX Edition" had its video removed because the "kakkoii" shots have backgrounds that bear a striking resemblence to the Rising Sun Flag, a variant of the Japanese flag that is strongly associated with early 20th century Japanese imperialism.
  • Bullet Hell: It almost feels like that sometimes ... except you have to hit all the bullets.
    • Parodied in the Retraux song "Tranoid", whose video involves a fictitious 1980's arcade game consisting of Tran dodging notes from the song's "Normal" chart
  • Copy Protection: Unusually for an arcade game, tricoro has always-on DRM; it must be connected to an e-Amusement network or the game will refuse to start. (note the word "an")
    • While unusual by international standards, this type of arrangement (where an arcade game must be connected to its developer's subscription-based online platform, often accompanied by a revenue-sharing and leasing requirement) has been increasingly common in Japan.
  • Critical Annoyance: A lot of older songs played special animations in the video on missed notes. This happened more in 5-key and early IIDX though, but a few select songs on recent versions have had miss animations (most noticeably Anisakis). Most either contained Engrish ("WRONG PLAY BAD BOYZ KICK YOUR ASS") or otherwise made little sense (what does a salt shaker have to do with a cover of "Brazilian Rhyme"?)
  • Darker and Edgier: Soundtrack-wise, the entire series has gotten darker and edgier over the years. The first IIDX games were mainly house and R&B-oriented. 3rd to 9th Style brought more electronica, eurobeat, and trance. As Sequel Escalation demanded higher difficulty out of songs, hardcore music became a lot more prominent in recent versions. And now look at Tricoro, we got dubstep now.
    • This may be less due to Beatmania itself getting Darker and Edgier, and more due to changes in what's popular in the worldwide EDM scene.
    • RED and DJ Troopers were also pretty grim, design-wise.
    • SPADA speaks for itself.
  • Department of Redundancy Department: "Spring Rain (lluvia de primavera)", when translated is "Spring Rain (Spring Rain)"
    • Or better yet, SUPER STAR 満-MITSURU- : 満 means Mitsuru.
  • The Dev Team Thinks of Everything: If you use Legacy Note on a chart with no Backspin Scratches or Charge Notes, which Legady Note converts to standard notes, and clear the chart, the game will count your clear as a standard Clear rather than an Assist Clear.
  • Difficulty Spike: Konami makes sure the songs have more notes at the end before it can be in the game in order to enforce this.
  • Distracted by the Sexy: The original music video for "Last Message" in 7th Style has a 3-second cleavage shot, which has caused many players to accidentally slip up at that point. The video was unfortunately removed when it was revived on Gold CS, as Konami was trying to aim for the Japanese equivalent of an E rating (despite the fact that Last Message and its video was on 7th Style's home version already, and it seemed to have no effect on the rating)
    • Dai, a male dancer who always appears on HHH songs (and then switched to kors k on Tricoro) is either overly distracting, or flamboyantly awesome.
      • Super Star -Mitsuru- begs to differ in ''She Is My Wife''. It's impossible to not be distracted watching kors k, Ryu☆, Yoshitaka, and Sota Fujimori taking part in it.
    • The song Tostugeki! Glass no Kneeso Hime! shows off a princess, in what amounts to a bunch of see through versions of a maid outfit with cat ears. Makes sense, considering the song is about a princess trying to seduce a prince.
  • Duality Motif: PENDUAL alternates between "present" and "future" phases, each with their own UI tweaks and exclusive songs.
  • Early Installment Weirdness: Playing older versions of IIDX can throw one for a loop due to the lower resolution, different charting style, older UI themes, less precise difficulty scale (with ANOTHER charts not having their own difficulty ratings), different kinds of music, and lack of game options (more discreet Hi-Speed options, no Sudden+, no eAMUSEMENT features such as scorekeeping and rivals). If you want to get even weirder, consider the original beatmania series, which employs a more street/hip-hop theme and timing windows comparable to "GAMBOL"'s HYPER charts.
  • Exactly What It Says on the Tin: The "Gambol Judgement Another" modifier added in DJ Troopers CS. Its effect is self-explanatory if you know the song it's referring to note  and will more likely than result in you failing any song you attempt it on.
  • Excuse Plot: IIDX games from Lincle onwards have story events that are generally just there to make unlock mechanisms look fancy.
  • Fake Difficulty: You need your life meter to be at 80% or above at the end of a song to pass. Guess how the people who make the notecharts fake the difficulty...
    • Sirius has hold notes and a related note for the turntable where you have to continuously spin it one direction for the duration of the hold note and then snap it back the other way at the very end of the note. Fittingly, True Final Boss "Almagest" used them a lot.
    • In Dance Dance Revolution, "New Decade" relies on BPM gimmicks as one source of its difficulty. The song averts this trope in IIDX, where all of its charts are a constant 200 BPM.
    • A lot of the high speed boss songs (notably, the MAX series) start on a really low BPM. While this may not sound like much, higher level players who use the high speed mode need to pay attention. Higher level players use something called a "green number", which is how long the note is visible for. Lower BP Ms screw this up, but this is made worse with the floating high speed mode where it automatically adjusts the rate to match the green number... and it's not dynamic. Meaning a player who wasn't paying attention is now treated to say Fascination MAX at what would amount to 8x speed
  • Fanservice: Getting good grades on songs will also put different character art backgrounds on the result screen. Some of this may indeed qualify. No wonder the console versions have gallery modes.
  • The Four Gods: Cardinal Gate, the Extra Stages from DistorteD (IIDX 13).
    • To be specific, the names of the four gods are aliases of popular Bemani artists. They are, as follows...
      • Byakko = Tatsuya Shimizu, AKA Tatsh
      • Suzaku = Yoshitaka Nishimura, AKA DJ YOSHITAKA
      • Genbu = Jun Wakita, AKA wac AKA Shounen Radio
      • Seiryu = Ryutaro Nakahara, AKA Ryu*, who is well known outside of Bemani
      • Finally, there's a new 5th god known as Kinjishi, which means a combination of all 4 beasts. It's Takayuki Ishikawa, aka dj TAKA, one of the most prolific and famous Bemani composers of all time, and the music director for the Beatmania series itself, just as Naoki Maeda is the director for DDR.
      • Only Suzaku, Seiryu and Genbu have reappeared in further installments so far.
  • Game-Breaking Bug: 9th Style was the first Bemani game to use PC-based hardware, and it showed. Some songs had timing issues, Gambol was still broken, the One More Extra Stage "Quasar" sometimes crashed the machine, and playing "General Relativity" as the first song after a machine is booted triggers a hilarious bug which makes getting anything but POOR impossible. (Apparently, said song fell back on the timing windows of the previously played song. Since there wasn't a previously played song yet, it choked.)
  • Getting Crap Past the Radar: 5PM ETERNAL's lyrics, my god.
  • Gimmick Level: Songs by DJ Mass MAD Izm* are infamous for having extraordinary numbers of scratches; on these songs, how good the turntable is on your controller or arcade machine can mean a whole world of difference. "Shakunetsu Beach Side Bunny"'s Another chart is notorious in that over one-third of its notes are scratches. Some non-Izm songs, such as "Checking You Out" and "Plan 8", are also chock full of scratches.
  • Gratuitous English: Many songs in English have this.
    • Most of the English text in promotional materials or in-game also ends up like this. And don't even forget about that infamous "GXPERT" typo from RED.
      • They didn't, cause Spada has "BRGINNER"
    • Songs sung or rapped by Paula Terry, Aaron G, and other such Western vocalists make for Surprisingly Good English.
    • Anisakis' miss screen reads "He set a foot wrong. However, it nothing but set a foot wrong. You set a foot wrong. It set a foot wrong so like him. The person commits an offense. However, do not set a foot wrong." Whatever that's supposed to mean....
    • Dellar points? And what the hell is a "Lincle" anyway? Same for Tricoro, which also has "Astran lights" as part of its Bonus Boss system.
      • And we can't forget about Michael in a boat, now can we? In reality, he was played by an American, Michael Stillwind (from Konami's Hawaii studio), and voiced by DJ Yoshitaka. Stillwind was notably responsible for his work on the Dance Dance Revolution Ultramix and Universe games, and for getting DM Ashura (who won a contest to get onto Universe 2, and then made some later contributions for Universe 3, which later crossed onto X2) a spot on Empress.
  • Gratuitous German:
  • The song title "Verflucht" means "cursed".
  • Gratuitous Italian:
    • "Spada" is Italian for "sword", fittingly enough.
    • "Leggendaria" (as in the Spada✝leggendaria series of Extra Stage songs and the ✝LEGGENDARIA difficulty) means "legendary".
  • Guide Dang It: In versions of IIDX up until HAPPY SKY, Another charts didn't get their own ratings, so you had to be prepared for anything from a mildly more difficult chart than the Hyper/7keys/14keys chart to something you would see on a 10th Dan course, unless you resorted to guides or chart databases; you were effectively risking your credit by playing Another charts, unless it was a console release. From HAPPY SKY onwards, Another charts have their own ratings.
  • Harder Than Hard:
    • Black Anothers. Dear God. The song MENDES (pictured in the lead) completely redefines Nintendo Hard (with 2,626 notes. The average boss has 1800-2000).
      • Black Anothers are slightly Older Than They Think. The final two stages in Gold CS's Kaiden course, Vanessa and Kamaitachi, have special charts then exclusive to that course. When/If you get to these stages, you'll notice that where the difficulty should be shown, there is blank space. Later console installments give them proper Black Another designations.
      • Here's a video of Mendes played on piano.
    • Oh and then there's the Doubles Black Another version at 2603 notes.
    • Mendes Black Another has been FC'd on a Dual Shock controller ... on half speed in training mode
    • Empress adds "Hazard"; One combo break and you're toast. On the plus side, you still get to play all the stages on your credit even if you do fail.
    • Lincle added a new modifier, EX-HARD. This modifier increases the damage taken by the lifebar on misses to 18% at once. But just like the original HARD modifier, it removes the 80% passing requirement, but makes you fail the stage if it hits zero. If this isn't literally Harder than Hard, we don't know what is.
    • Tricoro revives the "LOW-SPEED" modifier dropped after 6th CS, by adding the ability to set HI-SPEED below 1.0x . Suddenly 灼熱Beach-Side Bunny on half-speed looks a lot worse.
    • SPADA introduces the "†LEGGENDARIA" difficulty for the Spada†leggendaria series of boss songs, available in their own folder and only if you are using PASELInote  rather than coins to play the game. Comparable to Black Another in CS releases, ✝LEGGENDARIA charts have at least 1,900 notes; "Verflucht✝LEGGENDARIA" on Single Play in particular has 2,401 notes, the highest note count of any chart in the arcade IIDX series.
  • Idiosyncratic Difficulty Levels: Formerly Light 7/14, 7/14 Keys, and Another. Happy Sky adjusted the ranking scale and re-named the first two to Normal and Hyper.
    • When it was first introduced, Another was actually another arrangement for the song, typically harder and more complex. Now? Nine times out of ten, it's just a harder chart.
  • High Definition: Although the arcade IIDX series uses widescreen monitors, only in tricoro did the series actually support proper 720p HD. In fact, games up to tricoro ran in 640x480—that means technically, the graphical assets you see on screen are actually stretched!
  • In-Universe Game Clock: In PENDUAL, the game alternates between Present and Future phases every few days, and feautres a clock on the song select screen. During Present phases, the actual real-world date and time are displayed. During Future phases, the year instead reads 2222.
  • Konami Code: The final crystal for PENDUAL's CHRONO SEEKER event, among other things, requires you to input a variant of the Code on the song select screen: EFFECT → EFFECT → VEFX → VEFX → 1P START → 2P START → 1P START → 2P START → BLACK KEY → WHITE KEY
  • Kyu and Dan Ranks: Dan'inintei mode, a.k.a. Class Mode
  • Last Note Nightmare: Due to the 80% lifebar requirement for passing, a song with a ridiculous ending is practically a series trope on its own.
    • Although, it can be easier with HARD on.note 
  • Level Grinding: One of Lincle's unlock methods. tricoro's Omega Attack event, a post-game board game, takes this to WTF levels; completing the first sector takes at least forty playthroughs. The less said about the second sector, the better.
  • Loads and Loads of Characters: Some videos outright show this.
  • Lost Forever: tricoro's color events have several songs crossovered from console IIDX games, all of which were originally gone permanently if you failed to unlock them during their respective events. This was changed in an update (on August 14, 2013, over 8 months after the first event ended) which allowed players to buy the unlocks using Dellar points, at 5K for Normal, 10K for Hyper, and 15K for Another. It requires tons of Level Grinding, but they can once again be unlocked if you missed them the first time.
  • Luck-Based Mission: The Random modifier, which rearranges notes on a per-column basis. A good random order can make a chart easier, but sometimes it will just make the chart more difficult. Those trying to get better will use Random in order to learn awkward and difficult patterns.
  • Marathon Level: Scripted Connection⇒ & Shade, both lasting about 6 minutes long. Both by the same artist to boot. You see, the part of the song you actually play is dependent on the difficulty, and the soundtracks have the full version as all three versions strung together. However, on the console version of Happy Sky (and beginning on Gold AC), all three versions of Scripted Connection have full sets of charts (the N-mix, H-mix, and A-mix respectively). The "long mix" of Scripted Connection is also a hidden track on Happy Sky CS, where it clocks in as the longest single song in the entire series.
    • Resort Anthem's extra stage, ANTHEM LANDING, also counts as this despite having no long version to play.
    • Tricoro has 仮想空間の旅人たち (Kasoukuukan no tabibitotachi) which does the same thing, except between the single and double versions.
  • Mercy Mode:
    • If you are using a Groove Gauge in whch a 0% is instant failure, any damage you take while your Groove Gauge is 30% or less will be halved.
    • In tricoro, the requirements to unlock a LIMIT BURST song, other than playing a 3-stage set of songs from that song's game and qualifying for extra stagenote , are initially extremely harsh, but relax every week:
      • Phase 1: You need your first three stages' difficulties to add up to 33note  AND you need a Full Combo! And even then, only the Another chart will be available.
      • Phase 2: You now only need to clear the three stages with an EX-Hard gauge. In addition, the Hyper chart becomes available, and requires a total difficulty of 27note  and a Hard gauge.
      • Phase 3: Another only requires a Hard clear, Hyper only requires a standard clear. Normal finally becomes available; you need a total difficulty of at least 18note , and it will unlock as long as you clear your songs at all (even Assist Clear).
      • Phase 4: Just clear all three stages (again, Assist Clear is OK).
    • If you fail a chart that is less than level 6 for your first stage, you'll still be allowed to advance to the next.
    • If you are playing on a machine that is connected to the official e-Amusement network, you can use PASELI (proprietary e-Amusement currency that you purchase with real money) to purchase a DJ Vip Pass, which is a pay-to-use Mercy Mode: you'll be guaranteed three stages even if you fail your first two.
  • Minigame Credits: DistorteD's credits roll lets the player spin around the camera angle on the monotonous 3D backdrop soaring through the background with the turntable, it's not a "game" per say but still.
    • SIRIUS's credits roll has a spinning disc in the background that can be manipulated with the turntables.
    • Subverted by Empress, while the credits are not a minigame, the ending theme itself became a playable track ("THANK YOU FOR PLAYING") as part of the final set of timed unlocks, with the credits roll as its background video. Ironically, the song has been revived past Empress, and it still has Empress's credit roll attached to it. The ending for Resort Anthem, "Everlasting Resort", also does the same thing. Will someone ever notice and switch it out with a generic video? At the rate we're going, no.
    • The subversion is averted for "Vermillion" (Sirius ending theme, debuting on Resort Anthem) and "The Last Striker" (DJ Troopers ending theme, debuting on the PlayStation 2 version), which got their own dedicated videos when they became playable tracks. In the latter case, its a Clip Show of generic videos.
  • Mission Pack Sequel IIDX has about 19 installments to its name, each with different art/song themes. Not exactly Capcom Sequel Stagnation though, since every mix has new songs, new features, and often remove or bring back older songs,
  • Mythology Gag: The entire video for Illegal Function Call on Tricoro is a tribute to the original 5-key series in abstract CGI sequences.
    • Capacity Gate's unlockable menu music on Resort Anthem is a remix of the Dance Dance Revolution Extreme menu music.
  • Nintendo Hard: IIDX is regarded by many Rhythm Game conoisseurs as one of the most hardcore rhythm games in existence, if not the most hardcore.
    • The groove meter 80% passing grade for all songs greatly contributes to this.
    • Unlike the other Bemani games, beatmania's timing is actually based on the amount of frames the button was pressed before or after the note passes the marker. By default, the Just Great timing happens on the frame or the one before, meaning a player has about a 16ms window of time to hit a note "perfectly".
      • And to make things worse, the game's timing heavily depends on the monitor being as close to 59.95Hz as possible. Did the monitor decide to be just 0.05Hz off? I hope you enjoy scoring terribly.
      • The aforementioned GAMBOL glitch? That's what happened when the "Great" and "Just Great" timings basically merged and shrunk to "you have to be on the exact frame to count".
  • No Fair Cheating: Scores achieved with the "Auto-Scratch" modifier don't get saved. In IIDX, this applies to the "5 keys" modifier as well. With the introduction of continuous notes in IIDX 17, the Legacy Note modifier which removes these has the same effect. Currently, scores with such "Assist" mods will save, but will be marked with "Assist Clear" status. This is because while Assist mods will make songs easier to clear, they provide no benefit to your score as they deduct playable notes.
    • This backfires on people who use the 5key modifier on classic beatmania songs. Using the modifier on them will load up the old 5key chart from beatmaina, but will still count it as an Assist Clear.
  • No Pronunciation Guide: The song "AA." Word of God has confirmed that there is no official pronunciation. To further compound the confusion, the song is sorted at the beginning of the alphabet in IIDX and DDR, but its remix in Sound Voltex, "AA BlackY mix", is sorted under ダ, presumably for its Fan Nickname ダブルエース ("Double-Ace").
  • Ominous Latin Chanting: Xepher, and perhaps any Zektbach song actually.
  • One-Hit-Point Wonder: Hazard Mode in Empress. Any negative note judgments other than excess-key-induced POORs will result in a Game Over.
  • Perfect Run Final Boss: One More Extra Stages.
  • Player Character: Averted up until Lincle, which gives the player a "Q-Pro" avatar that participates in storyline events and can be dressed up.
  • Public Domain Soundtrack: Not rampant, but many classics in the series ("V" and "Kakumei" especially) are indeed remixes of other classical pieces ("The Four Seasons: Winter" and the "Revolutionary Etude", respectively)
  • Rage Quit: Seeing "78%" (2% lower than the required gauge to pass the song) tends to cause this.
    • And then there's this one guy. Skip (or watch all the way) to around 2:06.
  • Rapid-Fire Typing: Played with More Dakka in the SPADA song miracle 5ympho X on Another. There's a section halfway in the song that drops a rapid fire bassline, complete with a visual on the BG movie of a girl shooting a machine gun. Some Fridge Brilliance come into play when you realize that you're hitting the keys at the average rounds-per-minute of a machine gun, as the song is 210 BPM and section is nothing but 1/16th notes.
  • Rank Inflation: Grades go from F to AAA. Similarly, in Class mode, you have the 7th through 1st kyu grades, then 1st through 10th dan, and finally, kaiden.
  • Recurring Boss: While dan course songs tend to scramble around with each new version, "THE SAFARI" in particular is notorious for consistently being the last stage of single-player 7th Dan, a position it's had since the introduction of the kyu/dan system on 7th Style in 2002. "gigadelic" is also notorious for this in 8th Dan, where it's been the final stage in every version since the song was introduced in IIDX 11: RED, with the sole exception of IIDX 15: DJ Troopers.
  • Recurring Riff: Every Suzaku song has a distorted guitar screech in it, appropriately dubbed by many fans as the Suzaku Scream.
  • Recycled Soundtrack: Songs will often be continually "revived" (remaining alongside new songs on a newer version of the game, or appearing alongside older songs on console versions) quite a few versions, especially if they're fan favorites.
    • "V" is notorious for this. It debuted on 5th Style, and got revived on almost every console version after that until IIDX 1). Fans suspected Konami of "ruining the joke" that "you can't spell 'revival' without 'V'".
    • Then, Empress brought us "V2" ... which was nothing more than a cut of an extended version of V from dj TAKA's album "milestone".
  • Red Zone Remix Vid: Trope creator.
  • Required Spinoff Crossover: Throughout practically every Bemani game actually, songs will often cross over from Beatmania to other games, or vice versa. Special mention goes to Kakumei, a collaboration between dj TAKA and Naoki (who were both the producers for their respective franchises at the time), which appeared as the One More Extra Stage on both IIDX 7th Style and DDRMAX2, both of which were the 7th main release in their respective series. At the same time, a version of "MAX 300" (which was the Extra Stage song on DDRMAX, a first for the series) was also the main Extra Stage on 7th Style, it too being the first Extra Stage in the series.
    • A few other DDR boss songs have appeared since, including Sakura (Extreme extra stage, 8th Style extra stage), Paranoia Survivor Max (Extreme extra stage, 9th Style unlock), Fascination Maxx (SuperNOVA extra stage, as Gold OMES), Pluto (SuperNOVA 2 extra stage, unlock on DJ Troopers CS), and Saber Wing (DDR X extra stage, beat unlock on Resort Anthem). While not a boss song, Sakura Storm (DDR Universe 3 and X2) also came up as an unlock on Resort Anthem.
    • The "Nadeshiko Rock" song from Pop'n practically crossed over to every active Bemani franchise, IIDX included, around Empress.
      • And then there's DJ Yoshitaka's "FLOWER", which does the same, though it had to be retooled into a rock arrange for Guitar Freaks & Drummania.
    • Then came the LincleLink and events for Resort Anthem and Lincle, whose point was to allow players to unlock songs from the latest Jubeat versions on IIDX and vice-versa by playing certain combinations of songs on both. Lincle also brought the "Append Travel" event, which brought more promotional Jubeat crossovers to other Bemani titles as well.
    • Tricoro's other Limit Burst songsnote  have all been boss songs from other Bemani franchises. So far, these have included a new mix of "New Decade" from Dance Dance Revolution X2, "neu" (That One Boss from Pop'n Music Adventure), "Hollywood Galaxy" from Reflec Beat, "DAY DREAM" from DrumMania and GuitarFreaks, and "Timepiece Phase II', also from GF&DM.
  • Retraux: The Parallel Rotation extra stage system in SIRIUS, which echoes 5 of the previous 6 styles.
  • Rule of Fun: It's not really DJ simulation anymore. But does that really matter?
  • Robot Dog: The mascot for SIRIUS is one.
  • Roguelike: The "Qprogue" event in SPADA. After each play session, you play a minigame where you guide your Q-pro through maps to fight monsters and unlock new charts.
  • Self-Imposed Challenge: HARD mode, and the Gambol judgement modifiers
    • Then there's also a mode called WINDOW HOLD, which keeps the in-song HI-SPEED and SUDDEN+ controls active after hitting Start (instead of requiring you to hold it down). The joke of this is that because the keys and turntable respectively are used to configure those settings, you're supposed to play the song with them constantly changing on every note! See?
  • Sequel Escalation: The difficulty scale originally went from 1 to 7. Then came the 7+, which were later relabeled as 8. Then there were 8+s. Then Version 12 bumped it up to be out of 12.
    • But, The Computer Is A Lying Bastard. Before Happy Sky introduced 9-12, the 7Keys/Hyper difficulty rating would be exactly the same as the Another difficulty rating. This caused hard songs to be mislabeled. One of the most egregious examples is "Mr. T (Take me higher)", rated a 10 on Another after Happy Sky, to be labeled as a 4. Even worse than that is "5.1.1.", which up to Happy Sky was rated a 1 on Normal and Hyper, but has a pretty brutal Another chart.
  • Series Mascot: Tran, the Humanoid Alien, he appears in several background videos. But, this hasn't stopped the individual versions from having their own mascots.
    • There's also the various (mostly female) DJs that go on the promotional art.
  • Seven Deadly Sins: Lincle introduces a series of bosses named after the seven sins.
    • Greed: Mamonis, a man apparently made of shadows who attacks using money. AKA kors k
    • Lust: Ashemu, a succubus with knives. AKA Asaki
    • Sloth: Bulluvegola, a set of stained-glass circles. AKA 96
    • Gluttony: Beridzebeth, some sort of pink mech with wings and a scythe. AKA PRASTIK DANCEFLOOR
    • Pride: Rche, an trap angel with four black wings. AKA Tomosuke
    • Envy: Levaslater, a mech that resembles a blue dragon. AKA Ryu & Starving Trancer
    • Wrath: STN... another mech soldier whose armor falls off in another boss song to reveal the true demon. AKA Tatsh

      Additionally, there are two more songs that aren't any 7 sins, but related to them;
    • Apocalypse: Neulakyussra, a four-armed, three-headed being and the true form of STN, infused with the power of the seven sins. AKA L.E.D.-G
    • Rebirth: Cuvelia/Cybele, yet another mech (angel motif). If you're doing good enough in the song, the armor will break to reveal a blue-haired girl with laser-swords floating around her. AKA Taka
  • Shiritori: Speaking of the Lincle bosses, STN's song is unlocked using alphabet-variation shiritori, where you progress by playing sets of songs that link together, including the last and first songs.
  • Shout-Out: A song in Tricoro named Illegal Function Call makes innumerable shout outs to the 5-keys era in its music video.
  • Soundtrack Dissonance: "Sasoribi"/"Scorpion Fire"/"Anti-Ares", "Ganymede" and "Bag" to name a few (the latter debuting in Dance Dance Revolution first).
  • Spell My Name with an "S": A number of songs have multiple ways to read their names; "Shonen A"/"Kid A" (not that one), and "Gattai Sayo! Strong Jaeger!"/"The Strong Jaeger," just to name a few. This is primaraly a result of the cabinet's LED marquee: since it can only display English characters, songs with foreign titles will either be romanized, translated, or show something completely different on the marquee.
  • Standard Snippet/Sampling: A sampling-related conspiracy theory occurred in two particular styles: a stock sample of someone yelling "SOMEBODY SCREAM!" appeared in two different songs on Gold (Second Heaven and FIRE FIRE, but more infamously in the former), followed by a sample of someone saying "1-2-3-4-5-6 do it!" appearing on three different songs on DJ Troopers ("Be OK", "Icarus", and the aptly titled "Do it!! Do it!!", which consisted almost entirely of that sample.) Even more ironic was the fact that the last of those two were both Military Splash songs.
  • Stat Meters: RED added a new stat display (typically shown on the other player's unused play field), which shows a series of bars comparing the player's current score to that of an optional rival or the high score.
  • Stellar Name: Jun Wakita's trademark. Among others, "Regulus", "Spica" and "Scorpion Fire" are all named after stars (SF is an allusion to Alpha Scorpii/Antares), "moon_child" and "Ganymede" refer to moons, and "Waltz of the Big Dogs" (the sequel to "Scorpion Fire") refers to the Canis Major constellation.
    • The game "Waltz" debuted in, SIRIUS, also qualifies and also refers to the same constellation.
    • Taken Up to Eleven with the song "To My Star" from Tricoro. The title has a star (obviously), it's a star-type song (the genre is STARPOP), it's sung by a star (Kanako Hoshino), it's about becoming a star (specifically, a pop singer), it has a cameo from a star (SUPER STAR 満-MITSURU-)...
  • Tag Line: Most games in the series have one, ranging from the simple ("It's party time!" from GOLD) to the nonsensical ("Next Link Various Tunes Change the World [ TRI ] For The Future !!!" from tricoro).
  • Take That: When Ryutaro Nakahara stopped using an asterisk and started to use a star for his Ryu☆ alias, his brother kept asking his "What's with that?" The song Be Quiet is his answer.
  • The Artifact: Remember back in the day? When this game actually did primarily have hip-hop, and as such an actual justification for having scratching in its controls? Yet, it remains, even though most of the songs are now either hardcore electronica or pop. The IIDX series did start with mostly J-pop and R&B, but then began to diversify, to the point where on most songs, the turntable is just another trigger for sounds that aren't scratching.
    • That hasn't stopped songs with legitimate scratching from showing up in the modern era though. Just beware if you encounter a song by recurring regular "Dj MASS Mad Izm*"
  • Theme Naming: Since the 11th main installment of the IIDX series, every installment has had some sort of color theme to it, with a subtitle relating to the colors, such as "RED" (Revolutionary Energetic Diversification, primarily all dark red/black), "Happy Sky," (skies and clouds) "Gold," (black and gold with a premium nightclub motif), "DJ Troopers" (military and camouflage), "Empress" (pink and black with jewel motifs), "Sirius" (metallic silver and blue space-age), "Resort Anthem" (a Beach Episode), "Lincle" (blue, orange, and white with some atom trails), "Tricoro" (mostly greyscale with red/blue/yellow accents, and lots of abstract 3D stuff), "Spada" (dark brown/silver/red, medieval. Even the grade letter graphics, which have barely changed since 9th Style, got changed from their traditional techno look to a more medieval font), and now "Pendual" (white and purple with time motifs. It also switches between light "present" and dark "future" themes on a regular basis; both have 2 exclusive songs that only show up when their respective mode is active)
    • Also, the Extra Stage songs often have some kind of theme to them. See The Four Gods above. IIDX 16: Empress also has a set of regular One More Extra Stage songs with a sweets theme and an alternative Extra Stage called EMPRESS PLACE that centered around former "empresses" like Cleopatra and Marie Antionette.
    • Similarly, in 15th Style: DJ TROOPERS, there is a new version of Cardinal Gate called Military Splash that has 4 Bemani artists hiding their identities behind battle formation aliases.
      • Lion = dj TAKA
      • Scorpion = Toshiyuki Kakuta, aka L.E.D.
      • Kraken = Ryu*
      • Eagle = Kosuke Saito, aka kors k, who is also a known artist outside of Bemani
      • Humanoid = DJ Yoshitaka
    • In Sirius, the extra stage system was a series of Nostalgia Levels based off versions 11 through 15. Each tier had two previously console exclusive tracks, a new remix of a song from that version, and a new song performed under an alias used by a boss song on that version. When played, the songs even used the matching interface skins from their respective versions.
    • On Lincle, the extra stage system returned to a more Cardinal Gate-esque system called "Lincle Kingdom", which was themed around the Seven Sins.
    • The Spada†leggendaria songs have the artists named after famous swords. Before that there were some sword named songs in the series (Claiohm Solais and Ascalon). Another difference is that the artists so far are ether commission artists or recent additions to Bemani (and that most them have songs in Sound Voltex]]). The artists are:
      • Ama-no-Murakumo-no-Tsurugi AKA REDALiCE,the weapon of Susano-o
      • Gram AKA DJ Genki, referring to Sigmund's sword
      • Durandal AKA DJ Noriken, the blade of Roland
      • Caldaborg AKA USAO, a misspelling of Caldabolg, a weapon from Irish Mythology
      • Falsion AKA DJ Shimamura, A corruption of the word Falchion, an European weapon. It could be a Mythology Gag to a Konami shooter called "FALSION" or a Shout-Out to Fire Emblem
      • KUMOKIRI AKA OSTER project of "Levan Polka" fame., Kumokiri is a sword from a Japanese epic poem in which it was used during the Genpei War
  • Title Drop: "IIDX GOOOOOOOOOOOOOOOOOOOOOLD!" The full version of the opening theme, "GOLD RUSH", also proceeds to name off every single IIDX game up to that point during the breakdown.
    • The song's follow-up, "B4U (BEMANI FOR YOU MIX)", does something similar. While the original already contained a DDR title drop, this one also rapidly names off other Bemani franchises.
  • Universal-Adaptor Cast: For example, Ereki, White Hair, Black Heart has a villain-like demeanor in TERRA'S videos, but is simply a stalking photographer in songs like Love-Shine. This is just one example of very surprising dissonances with personalities in different videos.
    • Interestingly meta in the series' "canon" because every character has externally-established (typically through art books) backgrounds and in actuality are simply people who play IIDX.
  • Variable Mix
    • Tricoro does this for the game's menu themes now (they used to cut in after a loading screen).
  • Xtreme Kool Letterz: Miracle 5ympho X

Beat HazardRhythm GameBIT.TRIP
Arc the LadUsefulNotes/Wonder SwanCho Aniki
BattlefieldUsefulNotes/Play Station 2 Beyond Good & Evil
BattletoadsArcade GameBio Ship Paladin
Battle HunterUsefulNotes/Play StationBeyond the Beyond
BemaniCreator/KonamiDance Dance Revolution
BemaniVideo Game Long RunnersDance Dance Revolution
Battlezone (1998)Video Games of the 1990sBeatmania IIDX

alternative title(s): Beatmania
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