* AdaptationDisplacement: Very few people play the original doujin release anymore, partly because ''World Ignition'' is seen as a superior product, and partly because the doujin version is [[KeepCirculatingTheTapes only available in physical format, making it particularly difficult for overseas players to legally acquire]] while ''World Ignition'' is easily available on Steam and GOG.com at a reasonable cost.
* SugarWiki/AwesomeMusic:
** The stage 4 boss theme is probably the most notable one.
** [[https://www.youtube.com/watch?v=gV1B4AlbBA4 Transparent Stream]], the stage 3 theme, is a relaxing tune for going through a cave full of killer flowers and ants.
*** On Unlimited, it's replaced by [[https://www.youtube.com/watch?v=soJT2wDH4kE Evil Miasma]], a [[NightmareFuel sinister]] track fitting of the mode's [[NintendoHard difficulty]]. It gets an extended version in the arcade version and ''World Ignition''.
* BigLippedAlligatorMoment: In Stage 5 of the post-doujin versions, as the big door into the enemy stronghold opens up, [[spoiler:you get one of several randomly-picked cryptic messages that includes your name. [[AddressingThePlayer As in, the name on your Steam, Switch, or NESiCA profile]].]] This event can be surprising given [[NoPlotNoProblem the virtually nonexistent plot]], and never gets referenced again afterwards.
* BizarroEpisode: Most enemies in this game are machinery of some sort, such as aerial battleships, tanks, and boats. But Stage 3 is the odd-one-out, featuring a whole host of hostile flora and fauna in addition to the usual mecha, such as [[FoulFlower flowers]] and [[SpidersAreScary spiders]] that not only are inexplicably hostile to your ship, but also fire out the usual BulletHell. The regular music for this stage, "Transparent Stream", is unusually eerie and ethereal, while the alternate theme "Evil Miasma" sounds straight up ''[[NightmareFuel malicious]]''.
* GameBreaker: When [[SuperMode DOUBLE BREAK]] was introduced to the 0.30 trial (the one released at Comiket 78 rather than the earlier 0.20 trial), the developer did not adjust the [[Every10000Points extend points]], resulting in hilarious amounts of extra lives. The final version adjusts extends so that you no longer have as many as 10 lives by the end of stage 1.
** Also, the Type-Z ship. This ship gets the most powerful regular shot of all 3 ships, the widest attack range, and the Break bar fills ''ridiculously'' fast the moment you reach 50%. There are only two problems: first, you have to have reached the staff roll, and its price in the limitter shop is not very cheap. But once you do unlock it, you'll never want to use Type-I ever again.
*** To put that 3 million point price tag thing in perspective, Unlimited Mode is 300,000. If you were to finish the game 3 times (Beating Gorgoneion on your first credit), once on each difficulty, you'd still be short.
* GoodBadBugs[=/=]{{Game Breaking Bug}}s:
** So, you're gonna use double-break at the start of Gorgoneion to take care of those initial satellites? [[https://www.youtube.com/watch?v=z4F5LlfdEJI Wait, why did the WARNING come up again? WHY THE HELL AM I FIGHTING A BOSS DURING THE SECOND PART OF STAGE FIVE IN PRACTICE MODE?]]
*** [[http://img199.imageshack.us/img199/7425/20110117161146.png What did we do to deserve this?!?!?]][[note]]Yes, that is a boss-form Hecatoncheir and not one but two Crimson Hearts, each with their own independent lifebar.[[/note]] OhCrap doesn't even being to describe it.
** On a different note, it IS possible (though exceedingly unlikely) to end up in a death loop where you cannot escape. How is this possible when you're given MercyInvincibility when you respawn? The invincibility doesn't kick in until one frame AFTER you respawn, and the game does a collision check on the frame you respawn. If there's a bullet right on your hitbox when you respawn...
** When ''World Ignition'' debuted on Steam, a discounting error resulted in the ''World Ignition'' deluxe pack (which includes the soundtrack along with the game) [[http://i.imgur.com/jajvnGG.png being priced lower than the game itself]]. This was recitified within the same hour.
* GoodBadTranslation: The "[[ShootEmUp Shooting Game]] [[BadassBoast never die]]" line from the original ''Crimzon Clover'', which was kept for the properly-translated ''World Ignition'' version.
* MemeticMutation: Shooting game never die.[[labelnote:Explanation]]A line at the end of the credit roll, seen as a [[SugarWiki/HeartwarmingMoment touching moment]] for many fans of the shmup genre [[NarmCharm in spite of]] [[GoodBadTranslation the bad translation]]. It was [[AscendedMeme deliberately kept]] in the official English localization of ''World Ignition''.[[/labelnote]]
* LowTierLetdown: Virtually nobody likes Type-I since Type-Z is a boosted version of it, and as such after a few runs with Type-Z, Type-I can feel so underwhelming to use.
* SugarWiki/MostWonderfulSound: The sound of [[SuperMode BREAK MODE]] and [[SerialEscalation DOUBLE BREAK MODE]] activating.
* NarmCharm:
** The game goes out of its way to ham up the '''BREAK MODE''' and '''DOUBLE BREAK MODE''' text whenever you activate either Break mode.
** The message at the end of the credit roll, a love letter to genre fans:
---> "[[ShootEmUp Shooting game]] [[BadassBoast never die.]] [[GratuitousEnglish It prays that the clover of luck be always in your mind.]]"
* NightmareFuel: Stage 3. In addition to the usual mechanized threads, you also have literal DemonicSpiders and ants assaulting you, and [[GardenOfEvil killer plants]]. All to [[https://www.youtube.com/watch?v=gV1B4AlbBA4&feature=related eerie-sounding drum-and-bass music]]. [[HarderThanHard Unlimited Mode]] makes it worse with the [[NintendoHard increased]] [[BulletHell bullet count]] and the [[https://www.youtube.com/watch?v=soJT2wDH4kE more oppressive music]]. It's even harder in World Ignition with it being a common ending point to many 1cc attempts due to being one of the most changed levels from the original game.
* PolishedPort:
** The UsefulNotes/NintendoSwitch port, ''World [=EXplosion=]'', which adds an ArrangeMode, a new power-up system in the style of ''VideoGame/{{Gradius}}'', has the arranged soundtrack available from the start, and fixes some of the performance problems of ''World Ignition'' such as the blurry textures and a nasty [[GameBreakingBug memory leak]]). The game runs surprisingly well on the handheld given its ''massive'' object counts (both [[BulletHell bullets]] and items).
** The PC port of ''WEX''[[note]]yep, it's [[RecursiveAdaptation a PC port of a Switch port of a PC port of an arcade adaptation of the PC original]][[/note]] has all the content of the Switch version, fixes the input lag problem of the Switch version, and variuos performance improvments over ''World Ignition''. As such, it is regarded by many players as the definitive version of the game.
* ScrappyMechanic: In most modes other than Simple and Boost, when you finish Break Mode part of your bomb/Break gauge is retained, often enough for a bomb (unless you've fired so many bombs beforehand to raise the threshold to a point where exiting Break Mode will leave you without enough gauge for a bomb). This gets problematic if you are trying to activate Double Break mode, as you might fill the gauge and see the "DOUBLE BREAK STANDBY" prompt, only to press the bomb button a frame or two too late, so instead of Double Breaking you instead waste the gauge firing a bomb as well as some of your Break Rate. Depending on how much Break Mode duration you have left as you approach full gauge, it may be best to forego Double Break instead as it's not worth the risk of the gauge and multiplier penalty as well as wasting one of your defensive options (since exiting either Break Mode cancels all bullets and provides brief invincibility just like entering Break Mode or firing a bomb). This is alleviated in the Arrange modes in ''World [=EXplosion=]'', where exiting either Break Mode fully empties the power meter.
* SpiritualLicensee:
** It's ''VideoGame/{{Ketsui}}'' with ''VideoGame/{{Ray|Series}}Storm'' lasers operating with the radial lock-on radar from ''VideoGame/{{Soukyugurentai}}''.
** The ArrangeMode in ''World [=EXplosion=]'', with its progressing power-up meter, is basically ''VideoGame/{{Gradius}}'' or ''V-V'' [-AS A MODERN BULLET HELL GAME!-]
* TaintedByThePreview: When ''World [=EXplosion=]'' was announced as a standalone release rather than a DLC add-on, some players were upset that they would have to buy the game all over again. That said once the game was release, most concerns brushed off due to the game having much better performance than ''World Ignition'', which may explain why it simply wasn't made a DLC expansion. It also helps that for a limited time, those who already own ''World Ignition'' get a discount on ''World [=EXplosion=]''.
* ThatOneBoss: Gorgoneion. Its fourth phase, in particular, where the turrets explode into suicide bullets when destroyed while firing laser beans at the same time, as well as its final phase when it bounces on the ground like a basketball and spews out bullets simultaneously.
* ThatOneLevel:
** Stages 3 and 4 is where the game really starts to ramp up the DifficultySpike.
** The second half of Stage 5 has multiple [[DegradedBoss Degraded Bosses]] from Stages 2 and 3, combined with a ton of enemies that truly makes this a BulletHell title.
* TheyChangedItNowItSucks: The Arrange supermode in ''World [=EXplosion=]'' is disliked by some players due to not having Type-Z.