Unlockable game

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The term unlockable games refers to full video games that can be unlocked within another video game, often as easter eggs. [1] 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. [2]


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<i>Teenage Mutant Ninja Turtles</i> (arcade game) Konami as a 1989 coin-operated video game

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  1. Orland, Kyle (2014-11-12). "Breaking the lock: Why all game content should be unlocked from the outset". Ars Technica. Retrieved 2021-07-20.
  2. Hicks, Greg (2020-04-07). "10 Video Game Secrets That Unlock FULL Video Games". WhatCulture.com. Retrieved 2021-07-20.
  3. "Codes And Cheats". Ninja Turtles 25 Years. Retrieved 9 July 2020.
  4. Craig Harris (10 November 2005). "Teenage Mutant Ninja Turtles: Mutant Nightmare". Image Gmae Network. Retrieved 8 July 2020.