Is there an issue? Send a MessageReason:
None
Changed line(s) 7,8 (click to see context) from:
''Space Invaders Infinity Gene'' is a BulletHell spin-off of [[VideoGame/SpaceInvaders Space Invaders]], released in 2009 for [[UsefulNotes/IOSGames Android and iPhone]], then in 2010 for the [[UsefulNotes/PlayStation3 PlayStation 3]] and [[UsefulNotes/XBox360 Xbox 360]] consoles as a digital download.
to:
''Space Invaders Infinity Gene'' is a BulletHell spin-off of [[VideoGame/SpaceInvaders Space Invaders]], released in 2009 for [[UsefulNotes/IOSGames Android Platform/{{Android}} and iPhone]], Platform/{{iOS}}, then in 2010 for the [[UsefulNotes/PlayStation3 [[Platform/PlayStation3 PlayStation 3]] and [[UsefulNotes/XBox360 [[Platform/XBox360 Xbox 360]] consoles as a digital download.
Is there an issue? Send a MessageReason:
None
Changed line(s) 88 (click to see context) from:
-> ''To everyone who loves games and Charles Darwin.''
to:
-> ''To everyone who loves games and Charles Darwin.''TO EVERYONE WHO LOVES GAMES \\
AND CHARLES DARWIN.''
AND CHARLES DARWIN.''
Is there an issue? Send a MessageReason:
None
Added DiffLines:
----
-> ''To everyone who loves games and Charles Darwin.''
-> ''To everyone who loves games and Charles Darwin.''
Is there an issue? Send a MessageReason:
None
Added DiffLines:
* CompanyCrossReferences: The BossWarningSiren for major bosses reads "WARNING -- A FORMIDABLE ENEMY ''(name of boss)'' HAS ENTERED THE BATTLE." It is very similar to Taito's ''VideoGame/{{Darius}}'' series' boss warning: "WARNING -- A HUGE BATTLESIHP ''(name of boss)'' IS APPROACHING FAST." The reference is more explicit in the Japanese version, where "HUGE" is used in place of "FORMIDABLE".
Is there an issue? Send a MessageReason:
Deleted line(s) 24,27 (click to see context) :
* ClassicVideoGameScrewYous: For the most part, enemies that are spawning will usually have some kind of visual indicator, such as a path or an outline of them being formed. Sometimes, however, there will be no such luck and you'll get blindsided by a tiny enemy moving into position at breakneck speeds with zero warning.
** When fighting The Sun, some barriers will spawn at the beginning of the fight to protect you from its wave attack. If you lose them, you'd better hope it's running low on health; the attack will become [[UnintentionallyUnwinnable almost completely unavoidable.]] Hope you have enough ships in reserve!
** Speaking of reserves, the amount of ships you start with is all you've got - there's no way to get any more without running out of them and getting a GameOver. Have fun with the boss rushes when you only have one ship left!
** [[spoiler: Unless you're already shooting, the final boss can kill you ''the very moment it appears on screen'' due to how its attacks work. Hopefully that wasn't your last life that you just lost!]]
** When fighting The Sun, some barriers will spawn at the beginning of the fight to protect you from its wave attack. If you lose them, you'd better hope it's running low on health; the attack will become [[UnintentionallyUnwinnable almost completely unavoidable.]] Hope you have enough ships in reserve!
** Speaking of reserves, the amount of ships you start with is all you've got - there's no way to get any more without running out of them and getting a GameOver. Have fun with the boss rushes when you only have one ship left!
** [[spoiler: Unless you're already shooting, the final boss can kill you ''the very moment it appears on screen'' due to how its attacks work. Hopefully that wasn't your last life that you just lost!]]
Is there an issue? Send a MessageReason:
None
Changed line(s) 5,6 (click to see context) from:
-->-- '''Charles Darwin'''
to:
-->-- '''Charles Darwin'''
'''UsefulNotes/CharlesDarwin'''
Is there an issue? Send a MessageReason:
Merged per TRS
Changed line(s) 22 (click to see context) from:
** When fighting The Sun, some barriers will spawn at the beginning of the fight to protect you from its wave attack. If you lose them, you'd better hope it's running low on health; the attack will become [[UnwinnableByMistake almost completely unavoidable.]] Hope you have enough ships in reserve!
to:
** When fighting The Sun, some barriers will spawn at the beginning of the fight to protect you from its wave attack. If you lose them, you'd better hope it's running low on health; the attack will become [[UnwinnableByMistake [[UnintentionallyUnwinnable almost completely unavoidable.]] Hope you have enough ships in reserve!
Is there an issue? Send a MessageReason:
None
Changed line(s) 39 (click to see context) from:
* EvolvingWeapon: Every weapon you can use gets stronger as you collect power-ups from defeated UFOs, which can increase range, fire rate, damage, bullet speed and more depending on the weapon you chose. Dying at any time will reset your weapon to its default state and scatter your held power-ups. [[spoiler:Not so much with the Classic weapon, which does not upgrade in any sense no matter how many power-ups you happen to collect.]]
to:
* EvolvingWeapon: Every weapon you can use gets stronger as you collect power-ups from defeated UFOs, [=UFOs=], which can increase range, fire rate, damage, bullet speed and more depending on the weapon you chose. Dying at any time will reset your weapon to its default state and scatter your held power-ups. [[spoiler:Not so much with the Classic weapon, which does not upgrade in any sense no matter how many power-ups you happen to collect.]]
Is there an issue? Send a MessageReason:
None
Changed line(s) 48 (click to see context) from:
* LethalJokeCharacter: [[spoiler:The Classic weapon, which has your ship retain the basic sprite appearance even in the 3D stages. It can only have one shot on the screen at once. On the other hand, that shot can kill anything in a hit - ''even multi-stage bosses, or bosses that usually require several weak points to be destroyed.'' Moreover, the single bullet can be fired as soon as the last one is destroyed, meaning you can tear through crowds of huge enemies. It even causes time to briefly pause upon every successful hit.]]
to:
* LethalJokeCharacter: [[spoiler:The Classic weapon, which has your ship retain the basic sprite appearance even in the 3D stages. It can only have [[OneBulletAtATime one shot on the screen at once. once]]. On the other hand, that shot can kill OneHitKill anything in a hit - ''even multi-stage bosses, or bosses that usually require several weak points to be destroyed.'' Moreover, the single bullet can be fired as soon as the last one is destroyed, meaning you can tear through crowds of huge enemies. It even causes time to briefly pause upon every successful hit.]]
Is there an issue? Send a MessageReason:
None
Added DiffLines:
* OneHitKill: The [[spoiler:Classic]] Weapon. [[spoiler:Despite being only OneBulletAtATime, that one bullet will one-shot almost anything it hits, including most bosses]].
Is there an issue? Send a MessageReason:
Added some tropes, brought over a few examples.
Changed line(s) 13 (click to see context) from:
* AutoScrollingLevel: Frequently used in sections 4 and 5, along with the battles against the Gigantic UFO and the Ultimate UFO.
to:
* AutoScrollingLevel: Frequently used in sections 4 and 5, throughout the game from Section 3 onwards, along with the battles against the Gigantic UFO and the Ultimate UFO.
* CosmeticAward: There is no reason to clear any of the bonus levels; all it does it turn that level's square blue, signifying completion.
Changed line(s) 28 (click to see context) from:
* DeadlyWalls: Used in some levels in section 5, and some bonus levels. Colliding with them will destroy your ship.
to:
* DeadlyWalls: Used in some levels in from section 5, 3 onward, and some bonus levels. Colliding with them will destroy your ship.
Added DiffLines:
* EvolvingWeapon: Every weapon you can use gets stronger as you collect power-ups from defeated UFOs, which can increase range, fire rate, damage, bullet speed and more depending on the weapon you chose. Dying at any time will reset your weapon to its default state and scatter your held power-ups. [[spoiler:Not so much with the Classic weapon, which does not upgrade in any sense no matter how many power-ups you happen to collect.]]
Added DiffLines:
* FlunkyBoss: Quite common when bosses are encountered in [[SecretLevel bonus stages.]] Some bosses can have other bosses appear alongside them in the campaign, such as the Gigantic UFO, which summons the Satoru UFO midway through the fight.
Added DiffLines:
* NewPowersAsThePlotDemands: Stage 2-1 has a lot of enemies capable of shooting horizontally - usually right when they're in line with your ship. When you play it for the first time, you can neither shoot to your side nor get out of the way of the bullets, making the stage UnwinnableByDesign. However, you're given the ability to move up directly after your game-over, and are given a weapon capable of shooting to the side not long afterward.
** This holds true for the rest of the first playthrough, where you will often unlock options that will help you overcome otherwise brutal challenges. Massive evolution point requirement? Go play that BonusLevel you just unlocked! Need to shoot something that's behind you when fighting the Gigantic UFO? Evolve the Lock-On weapon!
** This holds true for the rest of the first playthrough, where you will often unlock options that will help you overcome otherwise brutal challenges. Massive evolution point requirement? Go play that BonusLevel you just unlocked! Need to shoot something that's behind you when fighting the Gigantic UFO? Evolve the Lock-On weapon!
Added DiffLines:
* SpreadShot: The Search weapon, which fires a wave ahead of you that grows in size and tears apart anything in its path.
Added DiffLines:
* UpgradedBoss: Whenever a boss from the campaign appears in a bonus stage, there's a great likelihood that it will have more health, more aggressive attack patterns and/or [[FlunkyBoss appear alongside other enemies that weren't originally there.]] Stage X-29 is a particularly good example, being a much harder version of Stage 3-5, a boss rush featuring every major boss from sections 2 and 3 up to that point.
Added DiffLines:
* UnwinnableByDesign: Done for narrative purposes in 2-1, where you're put against enemies that can shoot sideways, leaving you unable to dodge their bullets.
Added DiffLines:
* WolfpackBoss: The Progressive UFO, a collection of five different enemies that form the shape of a classic UFO, with unique attack patterns. Defeating the central cannon ends the fight instantly.
* YouHaveResearchedBreathing: One of the very first things you unlock is the ability to move your ship up and down the screen, and many weapons bless you with the ability to shoot ''to your side or behind you.''
* YouHaveResearchedBreathing: One of the very first things you unlock is the ability to move your ship up and down the screen, and many weapons bless you with the ability to shoot ''to your side or behind you.''
Is there an issue? Send a MessageReason:
Removed "Genius Bonus" and moved to YMMV
Deleted line(s) 39 (click to see context) :
* GeniusBonus: Stage names tend to be related to what additions that stage brings to the game, or what changes will be made to enemy behavior. For example, the very first stage, Common Descent, has you playing a basic round of Space Invaders where all changes to the formula and enemies will originate from.
Is there an issue? Send a MessageReason:
Added several tropes, realphabetized a few, removed misuse of Bonus Level.
* AutoScrollingLevel: Frequently used in sections 4 and 5, along with the battles against the Gigantic UFO and the Ultimate UFO.
Deleted line(s) 14 (click to see context) :
* BonusLevel: Many can be unlocked throughout the game with unique mechanics.
* ClassicVideoGameScrewYous: For the most part, enemies that are spawning will usually have some kind of visual indicator, such as a path or an outline of them being formed. Sometimes, however, there will be no such luck and you'll get blindsided by a tiny enemy moving into position at breakneck speeds with zero warning.
** When fighting The Sun, some barriers will spawn at the beginning of the fight to protect you from its wave attack. If you lose them, you'd better hope it's running low on health; the attack will become [[UnwinnableByMistake almost completely unavoidable.]] Hope you have enough ships in reserve!
** Speaking of reserves, the amount of ships you start with is all you've got - there's no way to get any more without running out of them and getting a GameOver. Have fun with the boss rushes when you only have one ship left!
** [[spoiler: Unless you're already shooting, the final boss can kill you ''the very moment it appears on screen'' due to how its attacks work. Hopefully that wasn't your last life that you just lost!]]
** When fighting The Sun, some barriers will spawn at the beginning of the fight to protect you from its wave attack. If you lose them, you'd better hope it's running low on health; the attack will become [[UnwinnableByMistake almost completely unavoidable.]] Hope you have enough ships in reserve!
** Speaking of reserves, the amount of ships you start with is all you've got - there's no way to get any more without running out of them and getting a GameOver. Have fun with the boss rushes when you only have one ship left!
** [[spoiler: Unless you're already shooting, the final boss can kill you ''the very moment it appears on screen'' due to how its attacks work. Hopefully that wasn't your last life that you just lost!]]
* DeadlyWalls: Used in some levels in section 5, and some bonus levels. Colliding with them will destroy your ship.
* DenialOfDiagonalAttack: Played with, per the "evolution" aspect. At first you're completely incapable of shooting diagonally or directly behind yourself, but many unlockable weapons avert this in various ways, to the point where there are two weapons capable of firing in ''all'' directions.
* EasyModeMockery: [[DownplayedTrope Downplayed.]] Aside from fewer opportunities to score points, completing the game on Easy replaces the final message with "Why not try the game on Normal?"
** Playing on Easy or setting your number of additional ships to anything higher than 3 will also disable your score for the stage being saved, though you can still unlock content as normal.
** Playing on Easy or setting your number of additional ships to anything higher than 3 will also disable your score for the stage being saved, though you can still unlock content as normal.
* EpilepticFlashingLights: Many enemies will die in flashing explosions. Combined with how many enemies can come onto screen at once, there are times where the screen will be filled with strobing lights. The opening message when entering the first stage qualifies as well.
* HoistByHisOwnPetard: A shot from the Gravity weapon will pull in nearby enemies; hopefully you're not between them and the black hole, lest you suffer a particularly stupid death.
** [[spoiler: This is how Nameless is defeated; you need to shoot the lasers it fires, which will become projectiles and turn around to hit it.]]
** [[spoiler: This is how Nameless is defeated; you need to shoot the lasers it fires, which will become projectiles and turn around to hit it.]]
* MercyInvincibility: You have a few seconds of invulnerability after your ship is shot down, which is usually enough time to collect most of your dropped power-ups, if not all of them.
* NintendoHard: Any difficulty above Normal qualifies, ''especially'' Nightmare. The screen will usually be filled with bullets, enemies are numerous, and you have to do it all with a handful of lives of which the only way to restock them being through getting a GameOver restarting the stage from the beginning. And this is to say nothing of some incredibly challenging stages, Challenge Mode, and the numerous bosses. To top it all off, your ship can only take one hit. Good luck!
Changed line(s) 45 (click to see context) from:
* PinballScoring: Getting through a handful of stages can leave you with millions upon millions of points, especially if you execute many Nagoya Attacks successfully.
to:
* OneHitPointWonder: Your ship can only take a single hit. Fortunately, it's quite small and can weave between bullets with ease given enough practice.
* PinballScoring: Getting through a handful of stages can leave you withmillions hundreds upon millions of points, especially if you execute many Nagoya Attacks successfully.
* PinballScoring: Getting through a handful of stages can leave you with
* SecretLevel: Many can be unlocked throughout the game with unique mechanics.
Deleted line(s) 48 (click to see context) :
* SpritePolygonMix: Even as the game becomes completely 3D, [=UFOs=] that drop power-ups always remain 2D. Some enemies remain 2D as well.
Added DiffLines:
* SpritePolygonMix: Even as the game becomes completely 3D, [=UFOs=] that drop power-ups always remain 2D. Some enemies remain 2D as well.
Added DiffLines:
* UnrealisticBlackHole: The Gravity weapon fires these, which pull in smaller enemies and some projectiles.
* VideoGameLives: Usually, you're given exactly three lives and cannot get any more without getting a GameOver, in which case they'll be restocked. Over time, you'll unlock the ability to set your lives counter higher, but doing so means [[EasyModeMockery your score for the stage will not be saved.]]
* VideoGameLives: Usually, you're given exactly three lives and cannot get any more without getting a GameOver, in which case they'll be restocked. Over time, you'll unlock the ability to set your lives counter higher, but doing so means [[EasyModeMockery your score for the stage will not be saved.]]
Is there an issue? Send a MessageReason:
I just realized I put the image in the wrong place. Oops.
[[quoteright:316:https://static.tvtropes.org/pmwiki/pub/images/space_invaders_infinity_gene.png]]
[[caption-width-right:316:[[TagLine The King of Games Strikes Back!]]]]
[[caption-width-right:316:[[TagLine The King of Games Strikes Back!]]]]
Deleted line(s) 3,4 (click to see context) :
[[quoteright:316:https://static.tvtropes.org/pmwiki/pub/images/space_invaders_infinity_gene.png]]
[[caption-width-right:316:[[TagLine The King of Games Strikes Back!]]]]
[[caption-width-right:316:[[TagLine The King of Games Strikes Back!]]]]
Is there an issue? Send a MessageReason:
Created! Brought over a lot of tropes from the main Space Invaders page. I felt that Infinity Gene was unique enough to warrant its own page. All help is appreciated!
Added DiffLines:
->''"It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is most adaptable to change."''
-->-- '''Charles Darwin'''
[[quoteright:316:https://static.tvtropes.org/pmwiki/pub/images/space_invaders_infinity_gene.png]]
[[caption-width-right:316:[[TagLine The King of Games Strikes Back!]]]]
''Space Invaders Infinity Gene'' is a BulletHell spin-off of [[VideoGame/SpaceInvaders Space Invaders]], released in 2009 for [[UsefulNotes/IOSGames Android and iPhone]], then in 2010 for the [[UsefulNotes/PlayStation3 PlayStation 3]] and [[UsefulNotes/XBox360 Xbox 360]] consoles as a digital download.
As the name suggests, ''Infinity Gene'' centers around the game evolving as you play, beginning as "Space Invaders with some minor embellishment" and progressively becoming "fast-paced modern ShootEmUp that resembles Space Invaders only vaguely." New weapons are unlocked over the course of the game, as well, designed to tear through hundreds of invaders at once. Infinity Gene introduces a variety of new mechanics, such as a power-up system and free movement across the screen. To match, the invaders are now equipped with swarms of new enemies and armadas of ships to take you on.
----
!! EMERGENCY: ELIMINATE THE UNEXPECTED TROPES
* ArtShift: The game's appearance is modified between stages, starting out with a simple gradient background and sprite and ending up with full 3D models and environments.
* AttackItsWeakPoint: Many bosses have segments that, when destroyed, deal a significant amount of damage or force it to move to its next phase. However, shooting weak points is rarely required and the boss can simply be killed by brute force. [[spoiler: Using the Classic weapon can result in very odd interactions, depending on where you shoot.]]
* BattleshipRaid: The Gigantic UFO and Ultimate UFO are both fought in this manner, with the latter having an entire level devoted to fighting it.
* BonusLevel: Many can be unlocked throughout the game with unique mechanics.
* BookEnds: The first seconds of gameplay of consist of a recreation of the original Space Invaders, before launching you into the first proper stage. [[spoiler:After defeating the Final Boss, the final seconds of gameplay consist of going back to that same recreation, though this time you're trying to shoot down the last alien before it touches down.]]
* BossOnlyLevel: A few; 1-6 is the earliest and features the very first boss in the game.
* BossRush: Several; 3-5 has you fight many bosses displayed up to that point, with 5-5 displaying bosses from both the 2D and 3D sections of the game. X-29, a bonus stage, is similar to 3-5, but all the bosses are much harder.
* BrokenRecord: [[spoiler: Nameless' theme plays the same high-pitched synth riff from the title screen nonstop, interspersed with bits of music that had played in previous levels.]]
* BrutalBonusLevel: Some bonus levels are ''incredibly'' challenging, such as X-29, a much more difficult version of 3-5.
* BulletHell: The very core of Infinity Gene, getting exponentially worse on higher difficulty settings.
* ContinuingIsPainful: [[DownplayedTrope Downplayed.]] Dying will result in you losing all the power-ups you collected and scattering them about, with little time to collect them all before your temporary invincibility wears off. However, power-up [=UFOs=] tend to spawn frequently outside of boss fights, so you won't be underpowered for very long.
* CollisionDamage: Once you unlock the ability to move up and down, this very quickly becomes a major issue as some enemies are fast-moving and come from the sides of the screen, or even from ''below.''
* DareToBeBadass: Making contact with an enemy bullet within a second of it being shot results in a Nagoya Attack, which will reward you with a ton of points.
* DegradedBoss: ''Many'' bosses, once defeated for the first time, will return as common enemies, albeit with less health and alongside other enemies which can even be copies of themselves.
* DifficultButAwesome: The Variable weapon, which equips the ship with a set of four beam swords that tear through anything they touch. Although it can be very awkward to aim and requires you to get close to your enemies to use effectively, they can tear through even ''bosses'' in seconds when used right and will usually set you up to do Nagoya Attacks.
* DiscOneFinalBoss: Unknown, at least in the console version, where it signifies the game's 3D shift. In the mobile version, it's the ''actual'' final boss.
* DownloadableContent: Additional level packs can be bought for both the console and mobile versions.
* EldritchAbomination: Unknown, the boss of 3-6, flashes rapidly between forms unlike any other enemy in the game.
* FinalBoss: Unknown in the mobile versions, [[spoiler:Nameless in the console versions.]]
* GeniusBonus: Stage names tend to be related to what additions that stage brings to the game, or what changes will be made to enemy behavior. For example, the very first stage, Common Descent, has you playing a basic round of Space Invaders where all changes to the formula and enemies will originate from.
* HardModePerks: Playing on Insane or higher will cause enemies to shoot bullets at you upon death, which can be used to score a ''lot'' of Nagoya Attacks very quickly.
* HellIsThatNoise: [[spoiler:Nameless's theme, ''Unconscious'', will occasionally have loud static. It also makes an absolutely horrible cacophony of sounds and bits of songs from earlier in the game upon being defeated.]]
* LuckBasedMission: Challenge Mode in the console versions gives you randomly generated levels the gradually increase in length and difficulty as you clear them. You can always win, but sometimes enemies will blindside you out of nowhere unless you're at the bottom of the screen. Bosses are randomized as well; you could fight one that takes a few seconds to beat, or you could get something such as the Gigantic UFO, which consists of nearly a minute of just looking at it in the background, a minute or so of avoiding some simple shots, and finally the actual fight against the UFO itself.
* InstantDeathRadius: The Field weapon, at least when faced with swarms of weaker enemies. Bosses are much more resilient, however.
* LethalJokeCharacter: [[spoiler:The Classic weapon, which has your ship retain the basic sprite appearance even in the 3D stages. It can only have one shot on the screen at once. On the other hand, that shot can kill anything in a hit - ''even multi-stage bosses, or bosses that usually require several weak points to be destroyed.'' Moreover, the single bullet can be fired as soon as the last one is destroyed, meaning you can tear through crowds of huge enemies. It even causes time to briefly pause upon every successful hit.]]
* MoreDakka: All the weapons you unlock are designed to tear through hundreds of invaders in rapid succession; even the starting weapon is no slouch. Collecting power-ups increases the levels of dakka even further.
* MyFriendsAndZoidberg: Winning on any difficulty higher than Easy will get you the message, "To everyone who loves games. And [[UsefulNotes/CharlesDarwin Charles Darwin.]]"
* MythologyGag: The power-up items are the Newalone particles taken directly from Metal Black, an obscure Taito shooter that has more in common with Darius than Space Invaders.
** A more direct call back to Darius comes in the form of Boss Warning Siren in the familiar form, "WARNING - A FORMIDABLE ENEMY '[Boss Name]' HAS ENTERED THE BATTLE."
** Selecting the Lock-On weapon will result in your ship bearing a suspicious resemblance, both in performance and shape, to the R-Gray from the Layer Section/Ray series of shoot-em-ups.
* NothingIsScarier: [[spoiler:There is near zero going on in 5-6; a black void with a few rows of gates that restrict your ship to the center of the screen, slowly approaching the final boss with an echoing siren in the background.]]
* NostalgiaLevel: The very beginning, which has you playing a normal round of Space Invaders with no score or lives. After shooting a few down, the game begins.
* NoPlotNoProblem: There's not a hint of story to speak of, not even vaguely. Just shoot down swarms of increasingly powerful invaders and try not to get shot yourself.
* OneBulletAtATime: As you might expect, you can only have a single bullet on screen at once at the very beginning, though this is very quickly [[SubvertedTrope subverted]] once you get control of a proper ship. [[spoiler:This comes back in the finale where you have to shoot the last invader, and can be thrust upon yourself by picking the Classic ship.]]
* PinballScoring: Getting through a handful of stages can leave you with millions upon millions of points, especially if you execute many Nagoya Attacks successfully.
* PostFinalBoss: [[spoiler:After defeating Nameless, the game reverts to its original state and you're tasked with shooting the very last invader. Kill it or not, the game cuts to the credits after one of you perishes.]]
* SensoryAbuse: The message that displays upon beginning 1-1 is accompanied by loud static. [[spoiler:The final boss does something very similar upon its defeat.]]
* SpritePolygonMix: Even as the game becomes completely 3D, [=UFOs=] that drop power-ups always remain 2D. Some enemies remain 2D as well.
* SequentialBoss: Lots of them throughout, usually fought at the end of sections. ''Unknown'' is a particularly strong example of this, changing its patterns and attack methods three times throughout its fight.
* SegmentedSerpent: Centipede. Its head is equipped with a gun which shoots lasers at you. When a segment is destroyed, the boss will split into individual serpents; each with guns on their heads. Destroying a head will cause all pieces to scatter and reform into one serpent again. Once enough segments are destroyed, the boss stops reforming, [[TurnsRed and the remaining segments start chasing you, all with guns.]]
* ShoutOut: Quite a few of these are present throughout, especially those referring to other Creator/{{Taito}} titles.
** One of the minor bosses extends a pixel-width tendril that makes a few random turns and develops a gunpod at the end; you fight it by shooting the gunpod, forcing it to retract along the tendril until it collides with the main ship. In a sense, the fight is against the tendril. The boss is named [[Manga/JojosBizarreAdventure Jolyne.]]
** The "Option" weapon is a direct reference to the Options from Gradius: they even move in the same way!
** The iOS version of Infinity Gene has DownloadableContent featuring Silver Hawk from ''VideoGame/{{Darius}}'', Inter Gray from ''VideoGame/NightStriker'', Black Fly from ''VideoGame/MetalBlack'', and the R-[=Gray2=] from ''VideoGame/RayStorm''.
* SoundTest: Available as an unlockable and can be expanded to listen to more songs and in-game sound effects by collecting DNA.
* ThemeNaming: Stages are named using a great variety of scientific terms related to the study of life and organisms, usually pertaining to what the stage is about.
* UnlockableContent: Collecting DNA throughout levels will trigger evolutions, which can unlock things such as bonus levels, new weapons, songs and sound effects to be played in the sound test.
* UnlockableDifficultyLevels: Hard can be unlocked by clearing the campaign for the first time, ''Insane'' can be unlocked by completing enough bonus stages, and Nightmare can be unlocked by completing Challenge Mode.
* VideoGame3DLeap: Presentation Upgrade example, as a game mechanic. Sections 4 and 5 take place in 3D environments, with your ship and many enemies changing their appearances to match. Some bosses take advantage of the third dimension as well, with Crab walking along the ground and occasionally jumping, Water Strider sliding across a tube to leave dangerous trails, [[spoiler: and Vertebrate being a massive tower that must be destroyed one segment at a time.]]
----
-->-- '''Charles Darwin'''
[[quoteright:316:https://static.tvtropes.org/pmwiki/pub/images/space_invaders_infinity_gene.png]]
[[caption-width-right:316:[[TagLine The King of Games Strikes Back!]]]]
''Space Invaders Infinity Gene'' is a BulletHell spin-off of [[VideoGame/SpaceInvaders Space Invaders]], released in 2009 for [[UsefulNotes/IOSGames Android and iPhone]], then in 2010 for the [[UsefulNotes/PlayStation3 PlayStation 3]] and [[UsefulNotes/XBox360 Xbox 360]] consoles as a digital download.
As the name suggests, ''Infinity Gene'' centers around the game evolving as you play, beginning as "Space Invaders with some minor embellishment" and progressively becoming "fast-paced modern ShootEmUp that resembles Space Invaders only vaguely." New weapons are unlocked over the course of the game, as well, designed to tear through hundreds of invaders at once. Infinity Gene introduces a variety of new mechanics, such as a power-up system and free movement across the screen. To match, the invaders are now equipped with swarms of new enemies and armadas of ships to take you on.
----
!! EMERGENCY: ELIMINATE THE UNEXPECTED TROPES
* ArtShift: The game's appearance is modified between stages, starting out with a simple gradient background and sprite and ending up with full 3D models and environments.
* AttackItsWeakPoint: Many bosses have segments that, when destroyed, deal a significant amount of damage or force it to move to its next phase. However, shooting weak points is rarely required and the boss can simply be killed by brute force. [[spoiler: Using the Classic weapon can result in very odd interactions, depending on where you shoot.]]
* BattleshipRaid: The Gigantic UFO and Ultimate UFO are both fought in this manner, with the latter having an entire level devoted to fighting it.
* BonusLevel: Many can be unlocked throughout the game with unique mechanics.
* BookEnds: The first seconds of gameplay of consist of a recreation of the original Space Invaders, before launching you into the first proper stage. [[spoiler:After defeating the Final Boss, the final seconds of gameplay consist of going back to that same recreation, though this time you're trying to shoot down the last alien before it touches down.]]
* BossOnlyLevel: A few; 1-6 is the earliest and features the very first boss in the game.
* BossRush: Several; 3-5 has you fight many bosses displayed up to that point, with 5-5 displaying bosses from both the 2D and 3D sections of the game. X-29, a bonus stage, is similar to 3-5, but all the bosses are much harder.
* BrokenRecord: [[spoiler: Nameless' theme plays the same high-pitched synth riff from the title screen nonstop, interspersed with bits of music that had played in previous levels.]]
* BrutalBonusLevel: Some bonus levels are ''incredibly'' challenging, such as X-29, a much more difficult version of 3-5.
* BulletHell: The very core of Infinity Gene, getting exponentially worse on higher difficulty settings.
* ContinuingIsPainful: [[DownplayedTrope Downplayed.]] Dying will result in you losing all the power-ups you collected and scattering them about, with little time to collect them all before your temporary invincibility wears off. However, power-up [=UFOs=] tend to spawn frequently outside of boss fights, so you won't be underpowered for very long.
* CollisionDamage: Once you unlock the ability to move up and down, this very quickly becomes a major issue as some enemies are fast-moving and come from the sides of the screen, or even from ''below.''
* DareToBeBadass: Making contact with an enemy bullet within a second of it being shot results in a Nagoya Attack, which will reward you with a ton of points.
* DegradedBoss: ''Many'' bosses, once defeated for the first time, will return as common enemies, albeit with less health and alongside other enemies which can even be copies of themselves.
* DifficultButAwesome: The Variable weapon, which equips the ship with a set of four beam swords that tear through anything they touch. Although it can be very awkward to aim and requires you to get close to your enemies to use effectively, they can tear through even ''bosses'' in seconds when used right and will usually set you up to do Nagoya Attacks.
* DiscOneFinalBoss: Unknown, at least in the console version, where it signifies the game's 3D shift. In the mobile version, it's the ''actual'' final boss.
* DownloadableContent: Additional level packs can be bought for both the console and mobile versions.
* EldritchAbomination: Unknown, the boss of 3-6, flashes rapidly between forms unlike any other enemy in the game.
* FinalBoss: Unknown in the mobile versions, [[spoiler:Nameless in the console versions.]]
* GeniusBonus: Stage names tend to be related to what additions that stage brings to the game, or what changes will be made to enemy behavior. For example, the very first stage, Common Descent, has you playing a basic round of Space Invaders where all changes to the formula and enemies will originate from.
* HardModePerks: Playing on Insane or higher will cause enemies to shoot bullets at you upon death, which can be used to score a ''lot'' of Nagoya Attacks very quickly.
* HellIsThatNoise: [[spoiler:Nameless's theme, ''Unconscious'', will occasionally have loud static. It also makes an absolutely horrible cacophony of sounds and bits of songs from earlier in the game upon being defeated.]]
* LuckBasedMission: Challenge Mode in the console versions gives you randomly generated levels the gradually increase in length and difficulty as you clear them. You can always win, but sometimes enemies will blindside you out of nowhere unless you're at the bottom of the screen. Bosses are randomized as well; you could fight one that takes a few seconds to beat, or you could get something such as the Gigantic UFO, which consists of nearly a minute of just looking at it in the background, a minute or so of avoiding some simple shots, and finally the actual fight against the UFO itself.
* InstantDeathRadius: The Field weapon, at least when faced with swarms of weaker enemies. Bosses are much more resilient, however.
* LethalJokeCharacter: [[spoiler:The Classic weapon, which has your ship retain the basic sprite appearance even in the 3D stages. It can only have one shot on the screen at once. On the other hand, that shot can kill anything in a hit - ''even multi-stage bosses, or bosses that usually require several weak points to be destroyed.'' Moreover, the single bullet can be fired as soon as the last one is destroyed, meaning you can tear through crowds of huge enemies. It even causes time to briefly pause upon every successful hit.]]
* MoreDakka: All the weapons you unlock are designed to tear through hundreds of invaders in rapid succession; even the starting weapon is no slouch. Collecting power-ups increases the levels of dakka even further.
* MyFriendsAndZoidberg: Winning on any difficulty higher than Easy will get you the message, "To everyone who loves games. And [[UsefulNotes/CharlesDarwin Charles Darwin.]]"
* MythologyGag: The power-up items are the Newalone particles taken directly from Metal Black, an obscure Taito shooter that has more in common with Darius than Space Invaders.
** A more direct call back to Darius comes in the form of Boss Warning Siren in the familiar form, "WARNING - A FORMIDABLE ENEMY '[Boss Name]' HAS ENTERED THE BATTLE."
** Selecting the Lock-On weapon will result in your ship bearing a suspicious resemblance, both in performance and shape, to the R-Gray from the Layer Section/Ray series of shoot-em-ups.
* NothingIsScarier: [[spoiler:There is near zero going on in 5-6; a black void with a few rows of gates that restrict your ship to the center of the screen, slowly approaching the final boss with an echoing siren in the background.]]
* NostalgiaLevel: The very beginning, which has you playing a normal round of Space Invaders with no score or lives. After shooting a few down, the game begins.
* NoPlotNoProblem: There's not a hint of story to speak of, not even vaguely. Just shoot down swarms of increasingly powerful invaders and try not to get shot yourself.
* OneBulletAtATime: As you might expect, you can only have a single bullet on screen at once at the very beginning, though this is very quickly [[SubvertedTrope subverted]] once you get control of a proper ship. [[spoiler:This comes back in the finale where you have to shoot the last invader, and can be thrust upon yourself by picking the Classic ship.]]
* PinballScoring: Getting through a handful of stages can leave you with millions upon millions of points, especially if you execute many Nagoya Attacks successfully.
* PostFinalBoss: [[spoiler:After defeating Nameless, the game reverts to its original state and you're tasked with shooting the very last invader. Kill it or not, the game cuts to the credits after one of you perishes.]]
* SensoryAbuse: The message that displays upon beginning 1-1 is accompanied by loud static. [[spoiler:The final boss does something very similar upon its defeat.]]
* SpritePolygonMix: Even as the game becomes completely 3D, [=UFOs=] that drop power-ups always remain 2D. Some enemies remain 2D as well.
* SequentialBoss: Lots of them throughout, usually fought at the end of sections. ''Unknown'' is a particularly strong example of this, changing its patterns and attack methods three times throughout its fight.
* SegmentedSerpent: Centipede. Its head is equipped with a gun which shoots lasers at you. When a segment is destroyed, the boss will split into individual serpents; each with guns on their heads. Destroying a head will cause all pieces to scatter and reform into one serpent again. Once enough segments are destroyed, the boss stops reforming, [[TurnsRed and the remaining segments start chasing you, all with guns.]]
* ShoutOut: Quite a few of these are present throughout, especially those referring to other Creator/{{Taito}} titles.
** One of the minor bosses extends a pixel-width tendril that makes a few random turns and develops a gunpod at the end; you fight it by shooting the gunpod, forcing it to retract along the tendril until it collides with the main ship. In a sense, the fight is against the tendril. The boss is named [[Manga/JojosBizarreAdventure Jolyne.]]
** The "Option" weapon is a direct reference to the Options from Gradius: they even move in the same way!
** The iOS version of Infinity Gene has DownloadableContent featuring Silver Hawk from ''VideoGame/{{Darius}}'', Inter Gray from ''VideoGame/NightStriker'', Black Fly from ''VideoGame/MetalBlack'', and the R-[=Gray2=] from ''VideoGame/RayStorm''.
* SoundTest: Available as an unlockable and can be expanded to listen to more songs and in-game sound effects by collecting DNA.
* ThemeNaming: Stages are named using a great variety of scientific terms related to the study of life and organisms, usually pertaining to what the stage is about.
* UnlockableContent: Collecting DNA throughout levels will trigger evolutions, which can unlock things such as bonus levels, new weapons, songs and sound effects to be played in the sound test.
* UnlockableDifficultyLevels: Hard can be unlocked by clearing the campaign for the first time, ''Insane'' can be unlocked by completing enough bonus stages, and Nightmare can be unlocked by completing Challenge Mode.
* VideoGame3DLeap: Presentation Upgrade example, as a game mechanic. Sections 4 and 5 take place in 3D environments, with your ship and many enemies changing their appearances to match. Some bosses take advantage of the third dimension as well, with Crab walking along the ground and occasionally jumping, Water Strider sliding across a tube to leave dangerous trails, [[spoiler: and Vertebrate being a massive tower that must be destroyed one segment at a time.]]
----
