Viper Phase 1 (c) 1995 Seibu Kaihatsu.
A spin-off of the 'Raiden' series.

>>> TECHNICAL DETAILS
---------------------
Seibu SPI Hardware
Main CPU : I386 (@ 25 Mhz)
Sound CPU : Z80 (@ 7.15909 Mhz)
Sound Chips : YMF271 (@ 7.15909 Mhz)
Screen orientation : Vertical
Video resolution : 240 x 320 pixels
Screen refresh : 54.00 Hz
Palette colors : 6144
Players : 2
Control : 8-way joystick
Buttons : 2

>>> OTHER GAME RESOURCES
---------------------
Game's rom.