Tetris (set 1, Japan, System 16B) (bootleg of FD1094 317-0091 set)

Tetris was a very popular game in Japan. Taito partner up with Sega to convert unpopular games like "Master of weapon" or "Rastan saga 2" to Tetris (on the Taito B system). Later, Taito produced Sega's tetris on the Taito H system.