The most famous hardcoded cheat, , was created by Kazuhisa Hashimoto in 1986.
Nintendo and Sega also embraced hardcoded cheats, though often less cryptically. Hardcoded Game Cheats
: Systems like Xbox Achievements and PlayStation Trophies require a level playing field, which cheats would invalidate. The most famous hardcoded cheat, , was created
Legally, hardcoded cheats belong to the developer. Reverse-engineering a game to find a hardcoded cheat may violate the DMCA's anti-circumvention provisions in the US, but merely using a known hardcoded sequence (like the Konami Code) has never been litigated. It falls under fair use as a transformative, non-commercial interaction. Legally, hardcoded cheats belong to the developer
: Developers who found their own games too difficult to finish while testing added "invincibility" to reach the end.
Unlike modern external cheats, which are essentially unauthorized modifications that force the game to behave differently, hardcoded cheats were intended by the developers. They are "canon" secrets, sanctioned by the creators of the universe.
As gaming moves toward "Games as a Service" (GaaS), the traditional hardcoded cheat faces extinction. Games like Destiny 2 or Genshin Impact are constantly patched. The binary changes weekly. A hardcoded cheat left in one build will be scrubbed in the next.