The classic side-scrolling BeatEmUp by {{Creator/Konami}}, and follow up to 1989's also amazing ''VideoGame/TeenageMutantNinjaTurtlesTheArcadeGame''. Like its predecessor, ''Turtles in Time'' is based on [[Franchise/TeenageMutantNinjaTurtles the four ninjitsu-trained reptilian hominids]] [[ComicBook/TeenageMutantNinjaTurtlesMirage created by Kevin Eastman and Peter Laird]], though heavily borrowing from the [[WesternAnimation/TeenageMutantNinjaTurtles1987 the 1987 cartoon]]. It was initially released for arcades in 1991, and ported to the UsefulNotes/SuperNintendoEntertainmentSystem in 1992 as ''Teenage Mutant Ninja Turtles IV: Turtles in Time'', since it was the fourth TMNT game to be released on a Creator/{{Nintendo}} console. Take note, however, that since the Japanese versions didn't make much use of this naming convention, the game was released on the UsefulNotes/SuperFamicom without any numbering.

In the comfort of their sewer home, our four heroes, Leonardo, Michelangelo, Donatello, and Raphael, along with their wise Master Splinter, are watching their news reporter friend April O'Neil report from Liberty Island for the Channel 6 News. Out of nowhere, a humongous exosuit piloted by Krang snatches the Statue of Liberty, and the television broadcast is interrupted by none other than the Shredder, who survived the Technodrome's explosion at the end of the previous game. After being taunted by Shredder, the four brothers instantly leave their home to battle the forces of the Foot Clan, only for ole' Shred-Head to send them through a time warp. Deposited in the prehistoric past, the Turtles must fight their way back to the future--most stages henceforth taking place in a later time period--in order to defeat the Shredder.

''Turtles in Time'' added some new features such as throwing Foot Soldiers into each other and--most famously--even at the camera. Due to hardware constraints, the UsefulNotes/SuperNES conversion only allowed two player co-op (instead of four like the arcade version). However, it did add some material of its own, such as a versus mode, a new Technodrome stage, Mode-7 bonus rounds, further {{divergent character evolution}} (for instance, Raph became [[FragileSpeedster quick but defensively weak]]), and new bosses including Super Shredder from [[Film/TeenageMutantNinjaTurtles the second movie]] and fan favorites Rocksteady and Bebop.

''Turtles in Time'' was later ported to the UsefulNotes/SegaGenesis as ''Hyperstone Heist''. This version lacked the fancier effects of the two other versions, had a completely different plot, different level design and reintroduced a few elements from the first arcade game. A slightly altered version of the arcade game, with a new soundtrack and slightly different vocal work but nonetheless untouched graphics and gameplay to the original was also included as a unlockable in the 2005 game ''Teenage Mutant Ninja Turtles 3: Mutant Nightmare'' for UsefulNotes/PlayStation2, UsefulNotes/{{Xbox}}, UsefulNotes/NintendoGameCube and UsefulNotes/NintendoDS.

In 2009, a remake developed and published by {{Creator/Ubisoft}} was released as a downloadable game for UsefulNotes/XboxLiveArcade and UsefulNotes/PlaystationNetwork under the modified subtitle ''Turtles in Time Re-Shelled''. It featured high-definition 3D graphics, improved audio quality which included re-recorded voice clips courtesy of the cast of the [[Creator/FourKidsEntertainment 4-Kids]] [[WesternAnimation/TeenageMutantNinjaTurtles2003 animated series]], leaderboards, and [[BraggingRightsReward achievements]]. However, it was attacked by quite a few for not including the material that was present in the {{UsefulNotes/SNES}} conversion (it was based solely on the original arcade version), and was criticized by critics for [[ItsTheSameNowItSucks not adding enough new material]], drab colors, and gameplay alterations (for example, the Turtles could now face eight directions, rather than only two as in the original game, which often made it more difficult to hit enemies). Despite these complaints, ''Re-Shelled'' immediately became a top-seller for the two consoles' download services. As website Joystiq remarked, this "once again" proves [[CriticalDissonance "that regular people don't care about what critics have to say."]]

Note that "Turtles in Time" IS NOT the subtitle of ''Film/TeenageMutantNinjaTurtlesIII'', despite that film also being released around the same time as this game and that movie also having a time-travel based plot (this is not helped by some newer DVD copies having this subtitle for the film).

!! This game provides examples of:

* AbsurdlySpaciousSewer: "Sewer Surfin'"
* ADayInTheLimelight: During the credits, each enemy is shown having their moment beating up the Turtles.
* AmericanKirbyIsHardcore: Compare the [[https://gamefaqs.akamaized.net/box/3/9/8/51398_front.jpg Japanese box]] with the [[https://gamefaqs.akamaized.net/box/3/9/9/51399_front.jpg US one]] (which is more like [[Comicbook/TeenageMutantNinjaTurtlesMirage the original comics]]).
** Both versions of the game allowed you to switch between two different palettes for the turtles: the bright and colourful "Animation" ("Anime" in the Japanese version) palette, that made them look like their 80s cartoon incarnations, and the darker, pupil-less "Comic" palette, which made them look somewhat closer to the original comic designs. However, the trope is averted since the "Animation"/"Anime" palette is used as the default in both versions.
** [[http://www.gamefaqs.com/genesis/563348-teenage-mutant-ninja-turtles-the-hyperstone-heist/images The Hyperstone Heist covers]] vary by region as well. Europe got the LighterAndSofter one (the same as the Turtles In Time cover,) while the US version emulates the live action film's cover. The JP version is a hybrid between the two, featuring the pupil-less turtles (like the comics) but brightly colored like the cartoon clashing against a billion Foot soldiers while [[EvilOverlooker Shredder looms in the background.]]
* AmusingInjuries: Such as getting pancaked by something heavy.
** AgonyOfTheFeet and PainPoweredLeap: "My toe! My toe!"[[note]]When one of the Turtles steps on the spike balls in the Sewer Surfin' stage, or falls victim to a flame on the ground from Rahzar or Super Shredder in the SNES version[[/note]]
* ArtificialBrilliance: Subtle but the Foot Soldiers will try to surround and ambush the players, and if they happen to be a variant which has a medium range weapon (such as the White Foot Soldier or the Yellow Frisbee Soldier) they will actively try to kite the player attacking at (mostly) safe ranges.
* AttractMode: It notably features "Pizza Power" (from the "Coming Out of Our Shells" tour) as the intro theme.
* BalancePowerSkillGimmick: Averting StandardizedLeader, ''Michelangelo'' is Jack of All Stats. Raphael is has short range but high attack speed. Donatello has long range but slow attack speed. Leonardo is the gimmick having medium range and attack speed like Mike, but has with a jump attack as his fourth move in his combo which leaves him open, and a back kick that gives him quicker protection from behind than the others.
* BossOnlyLevel: "Technodrome: The Final Shell-Shock!" has no side-scrolling and consists of nothing aside from the final boss fight against Shredder[=/=]Super Shredder.
* BossRush: ''The Hyperstone Heist'' version has one on the 4th level. The game even lampshades it (the stage is called The Gaunlet). You fight up to the first three previous bosses, including the boss you just beat in the previous level, Tatsu. Then it ends with a boss fight with Baxter Stockman in his human form.
* CameraAbuse: You can throw Foot Soldiers at the screen (in fact, the first Shredder battle in the SNES requires this!).
* CanonImmigrant:
** Tokka and Rahzar show up based on their movie appearance. Their animated versions were not introduced on the show until Season 7.
** [[TheDragon Tatsu]] from the live-action movies appears as a boss in ''The Hyperstone Heist''.
* ChainReactionDestruction: All mechanical bosses (and Cement Man in the arcade version). ''The Hyperstone Heist'' has every boss go out like this except Shredder.
* ClimaxBoss: The first Shredder fight.
** It's also a PuzzleBoss--which is rare for beat 'em ups.
* ColorCodedMultiplayer: Players are told apart from each other by the colors of their life bars, which depends on which Turtle they are controlling, For example, in a two-player game, the first player would be given a blue life bar if they controlled Leo while the second player would have a red life bar if they chose to play as Raph.
* ConservationOfNinjutsu: It's four ninja turtles versus 500 or so foot soldiers... yeah.
* DifficultyByRegion: A minor variant, but it applies here. The European and Japanese versions of the game have extra pizzas in stages 4, 5 and 8, making the stages easier.
* DifficultySpike: In the SNES version, right after the fight with Tokka and Rahzar. The elevator rises along with the difficulty.
* DualBoss: Tokka and Rahzar, at the end of the pirate ship level in the arcade, or as the mid-boss of the Technodrome level on the Super Nintendo. The SNES version adds Bebop and Rocksteady as the pirate ship boss.
* EasyModeMockery: The game shows Splinter chastising you for beating it on any mode other than Hard. However, the Japanese release does show the ending and credits on normal difficulty at least. [[note]]according to Website/ScrewAttack's playthrough (Screwin' Around, April 13, 2012).[[/note]]
* EnhancedRemake: The HD ''Turtles in Time Re-Shelled''.
* Every10000Points: Every 200 points, you get an extra life. This means you have to decide, for example, when you're surrounded by Foot soldiers, whether you're going to quickly clear a lot of them at once with MetronomicManMashing (for 2 points each), or grab and throw them into the screen one at a time (for 3 points each), though that particular decision is only required in the SNES version (the arcade version doesn't let you throw enemies at will nor which throw it is, while the Genesis version doesn't have the screen toss).
* ExcusePlot: You'll likely forget all about the Statue of Liberty halfway through this game; not that it matters.
** The bigger question is why Shredder's solution to stopping the Turtles from re-claiming the Statue of Liberty is time travel.
* {{Foreshadowing}}: In ''The Hyperstone Heist'', during Rocksteady's quick FinalSpeech, he says: "Remember! When I see you next time, I'll beat you." This is a hint about the boss rush stage that happens two levels later.
* FlashOfPain: Konami's usual "seizure time" variant of this. Bosses on low health usually flicker in their alternate palettes. This is averted in the ''Re-Shelled'' version where the boss's portrait will flash instead.
* FloatingInABubble: Krang's saucer can induce this on the turtles. "Anyone got a pin?"
* FlunkyBoss: Tatsu summons foot soldiers while taking dart shots at the turtles.
* FunnyBackgroundEvent: In ''Re-Shelled'', one of the Foot Ninja in the Neon Night Riders segment struggles to get back onto their hoverboard, before failing and exploding.
* GangplankGalleon: The "Skull and Crossbones" level.
* GiantMook: Rock Soldiers, which can take a lot of as well as dish out a lot of damage.
* GrievousHarmWithABody: Attacking a foot soldier in a certain way allows you to whip them around to kill both them and any enemies that get too close. You can also throw foot soldiers into the screen, which happens to be the only way to damage the boss of the SNES 4th stage.
* HardLevelsEasyBosses: The only way to get good at the main stages is to practice, practice, practice. But as far as the bosses go, a lot of them are pushovers if you use the right strategies.
* HomeVersionSoundtrackReplacement: The version of ''Turtles in Time'' that can be unlocked in ''Teenage Mutant Ninja Turtles 3: Mutant Nightmare'' features a completely new soundtrack, probably because the rights couldn't be obtained for the original music.
* InCaseOfBossFightBreakGlass: The SNES version gives you this in your first boss fight against Shredder, who's in a mechanical construct firing all sorts of weapons at you while his [[{{Mook}} Foot Soldiers]] are distracting you (and the battle is shown from Shredder's point of view). While you can beat up the ninjas endlessly, the only way to beat Shredder is to throw said ninjas into the screen. The controls to throw the soldiers into the screen are more relaxed during this fight due to it being a requirement.
* InexplicablyPreservedDungeonMeat: The turtles can find perfectly good pizza lying on the sidewalk, or down in the sewer, and even Shredder keeps some lying around the Technodrome.
* LeaningOnTheFourthWall: You can throw Foot Ninjas into the screen.
** Your first battle with The Shredder on the SNES version requires you to do this, it's the only way to attack him.
* LifeMeter: Bosses on the SNES and Genesis versions have them, but not in the arcade version. (Of course, the playable characters have them in all versions)
%%* LocomotiveLevel: "Bury My Shell..."
* MarketBasedTitle: The "IV" was added to the title of the SNES port outside Japan to maintain continuity with the previous NES games, since the first NES game was followed by two numbered sequels (''Teenage Mutant Ninja Turtles II'' being a port of the first arcade game). Strangely, the European ''Hero Turtles'' release also had a Roman numeral IV, despite the fact that the third NES game (''The Manhattan Project'') was never released there.
** The Japanese version of ''Hyperstone Heist'' is called ''Return of the Shredder''.
* MetronomicManMashing: Provides the page picture of that trope. It is a OneHitKill on foot soldiers (the guy being thrown, as well as those hit by him) and every enemy killed by it is worth 2 points, while normal kills only give you 1 and you get an extra life every 200 points.
* MonumentalTheft: The Shredder steals the Statue of Liberty, the Turtles are after him to get it back. That's pretty much the plot, [[ExcusePlot although it's only mentioned in a couple of cutscenes.]]
* MyRulesAreNotYourRules: Enemy mooks are able to pass through some stage hazards unharmed, like the laser beams in "Where No Turtle Has Gone Before".
* OneWingedAngel: Super Shredder, which replaces regular Shredder as the final boss in the SNES conversion. Interestingly, he transforms just before you fight him, instead of transforming after defeating him in his regular form. In addition to super speed, a fiery ground wave, and an anti-air ice projectile, Super Shredder also possesses an [[OneHitKill instant kill]] anti-mutagen fireball which ''takes away one of your extra lives'' (That is, if you have only one hit point left and take one of this fireballs, you will lose a life ''but you will continue with a single hit point''). On the hard difficulty, he uses his attacks so quickly you can jump right into the ice attack before it even starts, and have a split-second to jump when he uses the fire and mutagen attacks.
* OrcusOnHisThrone: While Shredder remains in the Technodrome for the entire game, Krang completely averts this and actively attacks the turtles throughout, starting by appearing as a giant in stage 1's background, then later being fought in stages 8 and 9 (the former in his robot suit, and the latter in a new saucer ship).
* PersonalSpaceInvader: Mousers.
* PowerUpFood: Regular pizza in this game replenishes your LifeMeter. A pizza with a bomb on the box causes the Turtle who touches it to shout ''"Pizza Power!"'' and go into a spin that can destroy every enemy he comes into contact with.
* {{Prehistoria}}: The "Prehistoric Turtlesaurus" level.
* ThePresentDay: The first part of the game and the final battle take place in the present day in the arcade and SNES versions. The final battle against Super Shredder is shown to take place in A.D. 1991 or 1992, respectively. Averted in ''Re-shelled'', where 1991 was definitely not the present day anymore.
* RakeTake: The planks at "Skull and Crossbones".
* RearrangeTheSong: In the ''Mutant Nightmare'' port, the "Skull and Crossbones" level remixes the "Streets" level theme from the 2003 ''TMNT'' video game.
* SequelEscalation: ''TMNT'' games usually have Shredder kidnapping April O'Neil. Here, he ''steals the Statue of Liberty''.
* SharedLifeMeter: Variant: Bebop and Rocksteady show separate health bars, but the fight's over when either one empties. The two start attacking each other and defeat themselves.
* ShipLevel: Skull and Crossbones.
* SinisterSilhouettes: At the beginning of each stage, one of the Turtles announces the name of the stage, in front of a silhouette of the Stage Boss.
* StalkedByTheBell: In the original arcade version of the game, if you go 5 minutes in a level without dying, a bomb will fall from the sky and instantly kill you, plus the timer is hidden. It'll also drop a bomb if you don't keep moving when Splinter tells you to go.
* SuckECheeses: In the manual, the Pizza Monsters are called Chunky Cheese Pizza Monsters.
* TemporaryOnlineContent: ''Reshelled'' was delisted from XBLA and PSN in 2011 after Ubisoft's license expired.
* TimeTravel: It's the premise! Though it really doesn't start until about half-way through the game.
* TitleScream: Each level's location is spoken.
* ThrowTheMookAtThem: The SNES version of the game features a boss battle like this, against Shredder, at the end of the Technodrome level. Shredder sits safely in the cockpit of a crab canon, where the turtles can't reach him. So they chuck his own soldiers at him, literally reducing them to [[http://www.youtube.com/watch?v=3qc6r5YRkNE cannon fodder.]]
* VideoGameCrueltyPotential: After Rahzar de-mutates following his defeat, you can attack him in his normal form. Doing so will cause him to make yelping sounds.
* XenomorphXerox: Pizza Monsters resembling Xenomorphs appear ''Turtles in Time'' and ''The Hyperstone Heist''.
* {{Zeerust}}: The "Neon Night Riders" stage features vast sparkling cities and hoverboards. The year? 2020.