Work-in-Progress re-design. Sorry for eventual bugs.
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Gaming History GH

Mappy [Model T-14027]

Port
35 Years old Sega Game Gear cart. NAMCOT [Japan]

Mappy [Model T-14027] screenshot

Mappy © 1991 NAMCOT.

TECHNICAL

GAME ID: T-14027

TIPS AND TRICKS
Round select: Press 2, 2, 1 x3, 2, 2, 1, START during the title screen. A number will appear at the top right and you can use Left and Right to change it.
SOURCES
🔗
ROM dump (MAME).