Mahjong Triple Wars 2 (c) 08/1990 Nichibutsu.
An RPG-style mahjong game with lots of bonus items to be found.

>>> TECHNICAL DETAILS
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Main CPU : Z80 (@ 3 Mhz)
Sound CPU : Z80 (@ 3.9 Mhz)
Sound Chips : YM3812 (@ 4 Mhz), (2x) DAC (@ 4 Mhz)
Screen orientation : Horizontal
Video resolution : 640 x 240 pixels
Screen refresh : 60.00 Hz
Palette Colors : 256
Player : 2
Control : mahjong keyboard

>>> GAME SERIES
---------------
1. Mahjong Triple Wars (1989)
2. Mahjong Triple Wars 2 (1990)
3. Mahjong Triple Wars Bangai-hen - Sailor Wars (1993)

>>> OTHER GAME RESOURCES
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Game's rom.