Gussun Oyoyo © 1993 Irem.
A puzzle game from Irem.
Irem M-97 system hardware
Main CPU : V30 (@ 8 Mhz)
Sound CPU : Zilog Z80 (@ 3.579545 Mhz)
Sound Chips : Yamaha YM2151 (@ 3.579545 Mhz), DAC
Players : 4
Control : 8-way joystick
Buttons : 2
Gussun Oyoyo was released in September 1993 in Japan.
This game is known outside Japan as Risky Challenge.
