Unlockable games
Encyclopedia
The term unlockable games refers to full video games that can be unlocked
Unlockable (gaming)
Unlockable content refers to content that is available in video games but not accessible unless something is performed by the player to get access to it. Different genres of games have different styles and options of unlockable content that is standard among their games...

 within another video game, often as easter eggs. Often these unlockable games are earlier entries in the series of the game in which they are hidden, and they become available after beating the game or meeting other requirements.

Examples

  • Animal Crossing
    Animal Crossing
    The Animal Crossing games have garnered positive response. The first three games are among the best-selling for their respective consoles. Animal Crossing has sold 2.321 million copies; Wild World 10.79 million; and City Folk 3.38 million...

    features nineteen unlockable Nintendo Entertainment System
    Nintendo Entertainment System
    The Nintendo Entertainment System is an 8-bit video game console that was released by Nintendo in North America during 1985, in Europe during 1986 and Australia in 1987...

     games.
  • Castlevania: The Dracula X Chronicles contains the original version of Castlevania: Rondo of Blood
    Castlevania: Rondo of Blood
    Castlevania: Rondo of Blood, known in Japan as is a platform video game developed by Konami for the PC Engine. The tenth installment of the Castlevania video game series and a 2D side-scroller, it acts as a middleground between the earlier, typically linear Castlevania games and the later...

    and Castlevania: Symphony of the Night
    Castlevania: Symphony of the Night
    Castlevania: Symphony of the Night, known in Japan as , is an action-adventure game developed and published by Konami in 1997. It is the 14th installment of the Castlevania series, the first installment released for the PlayStation, and a direct sequel to Castlevania: Rondo of Blood.Symphony of the...

    .
  • The Personal Computer
    Personal computer
    A personal computer is any general-purpose computer whose size, capabilities, and original sales price make it useful for individuals, and which is intended to be operated directly by an end-user with no intervening computer operator...

     game Maniac Mansion: Day of the Tentacle by LucasArts
    LucasArts
    LucasArts Entertainment Company, LLC is an American video game developer and publisher. The company was once famous for its innovative line of graphic adventure games, the critical and commercial success of which peaked in the mid 1990s...

     included its predecessor Maniac Mansion
    Maniac Mansion
    Maniac Mansion is a 1987 graphic adventure game developed and published by Lucasfilm Games. It was Lucasfilm's first published video game, and it was initially released for the Commodore 64 and Apple II. A comedy horror parody of B movies, it follows teenager Dave Miller as he ventures...

    .
  • In the Sega Saturn
    Sega Saturn
    The is a 32-bit fifth-generation video game console that was first released by Sega on November 22, 1994 in Japan, May 11, 1995 in North America, and July 8, 1995 in Europe...

     release of Duke Nukem 3D
    Duke Nukem 3D
    Duke Nukem 3D is a first-person shooter computer game developed by 3D Realms and published by GT Interactive Software. The full version was released for the PC . It is a sequel to the platform games Duke Nukem and Duke Nukem II published by Apogee...

    , Death Tank Zwei can be unlocked either by shooting every toilet in the game or by having a save file from another game by Lobotomy Software
    Lobotomy Software
    Lobotomy Software was an American video game company, best known for the game PowerSlave as well as the successful Sega Saturn ports of Duke Nukem 3D and Quake.The company is no longer active.-History:...

    .
  • In Donkey Kong 64
    Donkey Kong 64
    Donkey Kong 64 is a platform game, developed by Rare and published by Nintendo for the Nintendo 64. It was released in North America on November 24, 1999 and in Europe on December 6, 1999. The game is a follow up to the Donkey Kong Country trilogy on the Super Nintendo Entertainment System...

    , the games Jetpac
    Jetpac
    Jetpac is a ZX Spectrum, VIC-20 and BBC Micro video game developed and released by Ultimate Play The Game in 1983. The game is the first in the Jetman series, and was the company's very first release. The game was written by Chris Stamper with graphics by Tim Stamper...

    and Donkey Kong
    Donkey Kong (video game)
    is an arcade game released by Nintendo in 1981. It is an early example of the platform game genre, as the gameplay focuses on maneuvering the main character across a series of platforms while dodging and jumping over obstacles. In the game, Jumpman must rescue a damsel in distress, Lady, from a...

    can be unlocked.
  • In several Grand Theft Auto
    Grand Theft Auto (series)
    Grand Theft Auto is a multi-award-winning British video game series created in the United Kingdom by Dave Jones, then later by brothers Dan Houser and Sam Houser, and game designer Zachary Clarke. It is primarily developed by Edinburgh based Rockstar North and published by Rockstar Games...

    games, various arcade games can be unlocked by finding their arcade machines.
  • In House of the Dead III for Xbox
    Xbox
    The Xbox is a sixth-generation video game console manufactured by Microsoft. It was released on November 15, 2001 in North America, February 22, 2002 in Japan, and March 14, 2002 in Australia and Europe and is the predecessor to the Xbox 360. It was Microsoft's first foray into the gaming console...

    , House of the Dead 2 can be unlocked by beating the game.
  • Metroid
    Metroid
    is an action-adventure video game, and the first entry in the Metroid series. It was co-developed by Nintendo's Research and Development 1 division and Intelligent Systems, and was released in Japan in August 1986, in North America in August 1987, and in Europe in January 1988...

    was an unlockable in two different games: it could be unlocked by finishing Metroid Fusion
    Metroid Fusion
    , also known as Metroid 4, is an action-adventure video game published by Nintendo for the Game Boy Advance. It was released in North America, Europe, and Australia in November 2002, and in Japan in February 2003. The game is the fourth main installment in the Metroid series...

    and connecting it to Metroid Prime
    Metroid Prime
    Metroid Prime is a video game developed by Retro Studios and Nintendo for the Nintendo GameCube, released in North America on November 17, 2002...

    with the Nintendo GameCube Game Boy Advance Cable, and in Metroid: Zero Mission
    Metroid: Zero Mission
    is an action-adventure video game developed by Nintendo R&D1 for the Game Boy Advance handheld console. It was published by Nintendo in North America in February 2004, in Australia in March 2004, in Europe in April 2004, and in Japan in May 2004. It is the sixth installment of the Metroid series,...

    it becomes available after beating the game.
  • In Mortal Kombat: Shaolin Monks
    Mortal Kombat: Shaolin Monks
    Mortal Kombat: Shaolin Monks is an action/beat-em-up video game based on the Mortal Kombat series of fighting games. Shaolin Monks was developed by Midway LA and published by Midway for the PlayStation 2 and Xbox...

    , it is possible to unlock Mortal Kombat 2 by either completing the story mode with Smoke or by entering a cheat code at the menu.
  • The PlayStation 2
    PlayStation 2
    The PlayStation 2 is a sixth-generation video game console manufactured by Sony as part of the PlayStation series. Its development was announced in March 1999 and it was first released on March 4, 2000, in Japan...

     version of NHL 06
    NHL 06
    -External links:**...

    includes NHL 94.
  • Ninja Gaiden (Xbox)
    Ninja Gaiden (Xbox)
    Ninja Gaiden is an action-adventure game developed by Team Ninja for the Xbox video game console. It went through five years of development before its release by Tecmo in 2004, and has been progressively enhanced with a number of expansion packs and two remakes, Ninja Gaiden Black and Ninja Gaiden...

    contains the first three Ninja Gaiden
    Ninja Gaiden
    is a series of video games by Tecmo featuring the ninja Ryu Hayabusa as its protagonist. The series was originally known as in Japan. The word "gaiden" in the North American Ninja Gaiden title means "side-story" in Japanese, even though the Ninja Gaiden series is not a spinoff of a previous series...

    games for the Nintendo Entertainment System.
  • In Pac-Man World 2
    Pac-Man World 2
    is a video game by Namco for Xbox, GameCube, PlayStation 2, Game Boy Advance, and PC released in . Like the original Pac-Man World, the player controls the character of Pac-Man in a 3D platform game.-Story:...

    , players can unlock the following four Pac-Man games by collecting tokens: Pac-Man
    Pac-Man
    is an arcade game developed by Namco and licensed for distribution in the United States by Midway, first released in Japan on May 22, 1980. Immensely popular from its original release to the present day, Pac-Man is considered one of the classics of the medium, virtually synonymous with video games,...

    , Ms. Pac-Man
    Ms. Pac-Man
    Ms. Pac-Man is an arcade video game produced by Midway as an unauthorized sequel to Pac-Man. It was released in North America in 1981 and became one of the most popular video games of all time, leading to its adoption by Pac-Man licensor Namco as an official title...

    , Pac-Attack
    Pac-Attack
    is a puzzle game in the vein of Columns and Dr. Mario. It was adapted from Cosmo Gang the Puzzle, an arcade game released in the previous year.Released by Namco, it features Pac-Man as the main playing pieces, with the Ghosts and blocks as obstacles....

    , and Pac-Mania
    Pac-Mania
    is an arcade video game in the Pac-Man series, released by Namco in 1987 and distributed by Atari Games in the United States and Europe. It is a pseudo-3D interpretation of the classic maze game genre using an isometric view and features most elements of the original Pac-Man, as well as several new...

    .
  • In Pitfall: The Mayan Adventure
    Pitfall: The Mayan Adventure
    Pitfall: The Mayan Adventure is a 1994 video game developed and published by Activision. A sequel to Activision's classic game Pitfall! for the Atari 2600, the player controls Pitfall Harry, Jr., son of the protagonist of the original game, as he attempts to rescue his father from a Mayan jungle...

    , you can unlock the Pitfall!
    Pitfall!
    Pitfall! is a video game released by Activision for the Atari 2600 in 1982. It is the second best selling game made for the Atari 2600, with over 4 million copies sold.-Gameplay:...

    .
  • In Project Gotham Racing 2
    Project Gotham Racing 2
    Project Gotham Racing 2 is a racing game for the Xbox, developed by Bizarre Creations and published by Microsoft. PGR2 is the sequel to the highly successful Project Gotham Racing. It is the second title in the Project Gotham Racing series.As in PGR, the route to advancement in PGR2 differs from...

    , Geometry Wars
    Geometry Wars
    Geometry Wars is a minigame created by Bizarre Creations as part of Project Gotham Racing 2 for the Xbox, accessible through the in-game garage. An updated version of the game, Geometry Wars: Retro Evolved, is available for download on the Xbox 360 via Xbox Live Arcade. It can also be played in...

    is unlocked by entering the garage, entering walk mode, walking to an arcade machine, and pressing A.
  • In Prince of Persia: Sands of Time, players can unlock Prince of Persia. In the Xbox release, Prince of Persia 2 is also unlockable.
  • In Return to Castle Wolfenstein
    Return to Castle Wolfenstein
    Return to Castle Wolfenstein is a first person shooter video game published by Activision and originally released on November 19, 2001 for Microsoft Windows. It was made available on Steam on August 3, 2007. The single player game was developed by Gray Matter Interactive and Nerve Software...

    , Wolfenstein 3D
    Wolfenstein 3D
    Wolfenstein 3D is a video game that is generally regarded by critics and gaming journalists as having both popularized the first-person shooter genre on the PC and created the basic archetype upon which all subsequent games of the same genre would be built. It was created by id Software and...

    is unlocked after the player completes the game.
  • Shenmue
    Shenmue
    is a 1999 open-world adventure video game developed by Sega AM2 and published by Sega for the Dreamcast, produced and directed by Yu Suzuki. Suzuki coined a genre title, "FREE" , for the game, based on the interactivity and freedom he wanted to give to the player...

    on the Dreamcast contained the arcade games Hang-On
    Hang-On
    Hang-On is an arcade game released by Sega in 1985. It is the world's first full-body-experience video game. In the game, the player controls a motorcycle against time and other computer-controlled bikes. It was one of the first arcade games to use 16-bit graphics and Sega's "Super Scaler"...

    and Space Harrier
    Space Harrier
    is a third-person rail shooter game, released by Sega in 1985. It was produced by Yu Suzuki, responsible for many popular Sega games. It spawned several sequels: Space Harrier 3-D , Space Harrier II , and the spin-off Planet Harriers ....

    , which could be unlocked by walking into the arcade and using in-game money to play.
  • In Sonic Adventure DX: Director's Cut, players can unlock 12 Sega Game Gear
    Sega Game Gear
    The was Sega's first handheld game console. It was the third commercially available color handheld console, after the Atari Lynx and the TurboExpress....

     games: Sonic the Hedgehog, Sonic Drift
    Sonic Drift
    The Sonic Drift games were a series of two racing games that featured characters from the Sonic the Hedgehog series. It was released for the Sega Game Gear in 1994 and 1995 respectively, and later re-released many years later in several other compilations.-Sonic Drift:Sonic Drift is a kart racing...

    , Sonic Chaos
    Sonic Chaos
    Sonic Chaos is a platform game for the Sega Master System and Sega Game Gear, developed by Aspect and published by Sega in 1993...

    , Sonic Spinball, Sonic Labyrinth
    Sonic Labyrinth
    Sonic Labyrinth is a puzzle-come-platform game for the Sega Game Gear, released 17 November 1995 in Japan and in 1995 in North America and Europe. It is also playable on Sonic Adventure DX and in the PC, PlayStation 2 and Xbox editions of Sonic Mega Collection Plus. The game features isometric 3D...

    , Sonic the Hedgehog 2, Dr. Robotnik's Mean Bean Machine
    Dr. Robotnik's Mean Bean Machine
    -External links:* at Game Rankings* at The Internet Movie Database...

    , Sonic Triple Trouble
    Sonic Triple Trouble
    Sonic the Hedgehog: Triple Trouble is a platform video game in the Sonic the Hedgehog series, for the Sega Game Gear. It was developed by Aspect and published by Sega in 1994. It is the sequel to Sonic Chaos, which was the first Sonic & Tails game in Japan...

    , Sonic Drift 2, Tails' Skypatrol
    Tails' Skypatrol
    is a platform/adventure video game in the Sonic the Hedgehog series, developed by JSH and published by Sega for Sega Game Gear. It was originally released on April 28, 1995 as an exclusive game to the Japanese market...

    , Sonic Blast
    Sonic Blast
    Sonic Blast is a video game in the Sonic the Hedgehog series developed by Aspect and published by Sega for the Sega Game Gear. It is known as G Sonic in Japan. It was released in December 1996 for both North American and European markets...

    , and Tails Adventure
    Tails Adventure
    , also known as Tails Adventures, is an action-adventure video game with role-playing elements that was developed by Aspect and distributed by Sega in 1995 for the videogame console Sega Game Gear....

    .
  • In Sonic Mega Collection
    Sonic Mega Collection
    is a video game compilation for the Nintendo GameCube.The compilation contains twelve to fourteen games depending on the region, all originally released on the Sega Mega Drive/Genesis console...

    , players can unlock five games by playing a certain number of times: Blue Sphere, Sonic & Knuckles (Sonic the Hedgehog 2), Sonic & Knuckles (Sonic the Hedgehog 3), Ristar
    Ristar
    Ristar, known as in Japan, is a platform game developed by Sonic Team and published by Sega for the Sega Mega Drive/Sega Genesis in 1995. A Sega Game Gear version, which features different levels than the Mega Drive version, was also released in the same year.The game stars a humanoid cartoon star...

    , and Flicky
    Flicky
    Flicky is an arcade game made by Sega. First released in arcades in 1984, Flicky was also released at the time for the SG-1000, and then ported to the MSX and Japanese computers Sharp X1, Fujitsu FM-7 and NEC PC-8801. It was later ported to the Sega Mega Drive/Genesis in 1991...

    .
  • In Star Wars Rogue Squadron III: Rebel Strike
    Star Wars Rogue Squadron III: Rebel Strike
    Star Wars Rogue Squadron III: Rebel Strike is a Star Wars video game developed by Factor 5 and published by LucasArts exclusively for the Nintendo GameCube. The game follows Rogue Squadron, which, under the command of Luke Skywalker and Wedge Antilles, uses starfighters to engage and defeat the...

    , Star Wars, The Empire Strikes Back
    Star Wars: The Empire Strikes Back (arcade game)
    Star Wars: The Empire Strikes Back is the sequel to the vector graphics Star Wars arcade game. It was released by Atari Games in 1985 as a conversion kit for the original game. As in Star Wars, the player takes the role of Luke Skywalker in a set of familiar battle sequences in a first-person...

    and Return of the Jedi
    Star Wars: Return of the Jedi (arcade game)
    Star Wars: Return of the Jedi is a 1984 Atari arcade game, and the follow-up to the first Star Wars arcade game. The game utilizes raster graphics, rather than vector graphics, which were used for the first and third Atari arcade games based on the Star Wars franchise.-Gameplay:The player takes...

    can be unlocked.
  • Super Smash Bros. Brawl
    Super Smash Bros. Brawl
    Super Smash Bros. Brawl, known in Japan as , often abbreviated as SSBB or simply as Brawl, is the third installment in the Super Smash Bros. series of crossover fighting games, developed by an ad hoc development team consisting of Sora, Game Arts and staff from other developers, and published by...

    has a feature that allows the player to play demos of the characters' games of origin, but the demos have a strict time limit, after which you are returned to the menu.
  • Teenage Mutant Ninja Turtles 2: Battle Nexus
    Teenage Mutant Ninja Turtles 2: Battle Nexus
    Teenage Mutant Ninja Turtles 2: Battle Nexus is a video game of the top-down beat 'em up genre released in 2004 by Konami. The game is based on the 2003 TV series....

    features Teenage Mutant Ninja Turtles: The Arcade Game
    Teenage Mutant Ninja Turtles (arcade game)
    Teenage Mutant Ninja Turtles, released as Teenage Mutant Hero Turtles in Europe, and Teenage Mutant Ninja Turtles: Super Kame Ninja in Japan, is a side-scrolling beat-'em-up released by Konami as a coin-operated video game in...

    , and Teenage Mutant Ninja Turtles 3: Mutant Nightmare
    Teenage Mutant Ninja Turtles 3: Mutant Nightmare
    Teenage Mutant Ninja Turtles 3: Mutant Nightmare is a video game published by Konami for the PlayStation 2, GameCube, Xbox, and Nintendo DS, featuring the crime-fighting heroes, the Teenage Mutant Ninja Turtles. It is the last TMNT game to be made by Konami.It is the first Teenage Mutant Ninja...

    features Teenage Mutant Ninja Turtles: Turtles in Time
    Teenage Mutant Ninja Turtles: Turtles in Time
    Teenage Mutant Ninja Turtles: Turtles in Time, released as Teenage Mutant Hero Turtles: Turtles in Time in Europe, is an arcade video game produced by Konami. A sequel to the original Teenage Mutant Ninja Turtles arcade game, it is a scrolling beat 'em up based mainly on the 1987 TMNT animated...

    .
  • Tekken 5
    Tekken 5
    is the sixth installment in the popular Tekken series. It also marks the tenth anniversary of the series. It was updated for the PlayStation Portable and PlayStation 3 as Tekken 5: Dark Resurrection and succeeded by Tekken 6.- Story :...

    includes the first three Tekken games and StarBlade.
  • In Terminator 3: Rise Of The Machines
    Terminator 3: Rise of the Machines (video game)
    Terminator 3: Rise of the Machines is a video game based on the film of the same name. It is a first-person shooter with elements of hand to hand combat in third-person perspective. A version was released for the Game Boy Advance on November 18, 2003 it was an isometric shooter. A puzzle game was...

    , versions of Centipede
    Centipede (video game)
    Centipede is a vertically-oriented shoot 'em up arcade game produced by Atari, Inc. in 1980. The game was designed by Ed Logg along with Dona Bailey, one of the few female game programmers in the industry at this time. It was also the first arcade coin-operated game to have a significant female...

    and Missile Command
    Missile Command
    Missile Command is a 1980 arcade game by Atari, Inc. that was also licensed to Sega for European release. It is considered one of the most notable games from the Golden Age of Video Arcade Games...

    can be unlocked by finding their arcade machines in the game's levels.
  • In Call of Duty: Black Ops
    Call of Duty: Black Ops
    Call of Duty: Black Ops is a first-person shooter video game developed by Treyarch, published by Activision and released worldwide on November 9, for Microsoft Windows, Xbox 360, PlayStation 3, Wii consoles, with a separate version for Nintendo DS developed by n-Space. Announced on April 30, 2010,...

    , Zork I
    Zork I
    Zork: The Great Underground Empire - Part I, later known as Zork I, is an interactive fiction computer game written by Marc Blank, Dave Lebling, Bruce Daniels and Tim Anderson and published by Infocom in 1980. It was the first game in the popular Zork trilogy and was released for a wide range of...

    can be unlocked by typing "Zork" into an old computer at the menu.
  • In Splatterhouse (2010 video game), 'You can unlock the first three games.
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