Tetris (c) 12/1988 Sega.

>>> TECHNICAL DETAILS
---------------------
Sega System 16B hardware
Game ID : 317-0091 / 317-0092
Main CPU : 68000 (@ 10 Mhz)
Sound CPU : Z80 (@ 5 Mhz)
Sound Chips : YM2151 (@ 4 Mhz), UPD7759 (@ 640 Khz)
Screen orientation : Horizontal
Video resolution : 320 x 224 pixels
Screen refresh : 60.00 Hz
Palette colors : 6144
Players : 2
Control : 8-way joystick
Buttons : 1

>>> GAME UPDATES
----------------
FD1094 317-0091
* Runs on Sega System 16B hardware.
FD1094 317-0092
* Runs on Sega System 16B hardware.
FD1094 317-0093
* Runs on Sega System 16A hardware.
FD1094 317-0093a
* Runs on Sega System 16A hardware.

>>> GAME SERIES
---------------
1. Tetris (1988)
2. Sega Tetris (1999)

>>> GAME PORTS TO OTHER SYSTEMS
-------------------------------
* Consoles :
Sega Mega Drive (1989)
Sony PlayStation 2 (2006, 'Sega Ages 2500 Series Vol.28 : Tetris Collection')

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