The Game Killer is a Game Enhancer for multiple consoles. It is likely a re-branded Action Replay judging from the casing of the Nintendo 64 version. The packaging for the Nintendo 64 version also credits Datel.
Releases
Playstation - A Playstation memory card which has cheats built in[1]. It is not known how the cheat codes are accessed, but there was possibly a CD packaged with it.
Nintendo 64 - A cart with a timer built on it, much like the Nintendo 64 Action Replay.
Hardware
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Nintendo 64 Packaging
