Mappy [Model T-14027]
Sega Game Gear game published 28 years ago by NAMCO
Listed and emulated in MAME !
Information for the following ROM(s): mappy
Mappy © 1991 Namco, Limited.
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.