Game Boy

Mysterium (USA, Japan)

6 cheats

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Game Genie

Start With 1/2 Energy

CODE

Effect

Start With 1/2 Energy

Source : Libretro

Game Genie

Everyone's Energy Is Set To Max

CODE

Effect

Everyone's Energy Is Set To Max

Source : Libretro

Game Genie

Start With 1 Life

CODE

Effect

Start With 1 Life

Source : Libretro

Game Genie

Start With 5 Lives

CODE

Effect

Start With 5 Lives

Source : Libretro

Game Genie

Start With 9 Lives

CODE

Effect

Start With 9 Lives

Source : Libretro

Game Genie

Infinite Lives

CODE

Effect

Infinite Lives

Source : Libretro

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Save state / Rewind

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