Rock Tris © 199? Yun Sung.
Main CPU : Zilog Z80 (@ 8 Mhz), Zilog Z80 (@ 4 Mhz)
Sound Chips : YM3812 (@ 4 Mhz), OKI MSM5205 (@ 384 Khz)
Players : 2
Control : 8-way Joystick
Buttons : 2
Rock Tris is heavily based on the 1991 Taiwan PC game X Rock.