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libretro Arcade version Rating: ❔ UNKNOWN
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libretro NES version Rating: ❔ UNKNOWN
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libretro Nintendo Wii version Rating: ❔ UNKNOWN
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libretro Sega Game Gear version Rating: ❔ UNKNOWN
The player guides Mappy the police mouse through the mansion of the cats called Mewkies (Meowky in the U.S. version) to retrieve stolen goods. The player uses a left-right joystick to move Mappy and a single button to operate doors. The mansion has six floors of hallways in which the stolen items are stashed.

- Platform: Arcade, FM-7, MSX, NEC PC-6000 Series, NES, Nintendo Wii, Nintendo Wii U, PC-8801, Sega Game Gear, Sharp X1