Wise Guy (c) 1990 Dooyong.

>>> TECHNICAL DETAILS
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Main CPU : Z80 (@ 8 Mhz)
Sound Chips : YM2203 (@ 1.5 Mhz)
Screen orientation : Horizontal
Video resolution : 256 x 224 pixels
Screen refresh : 60.00 Hz
Palette Colors : 512
Players : 2
Control : 4-way joystick
Buttons : 2

>>> TRIVIA
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This game is also known as 'Yam! Yam!?'.

>>> OTHER GAME RESOURCES
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Game's rom.