Rainbow Islands - The Story of Bubble Bobble 2 © 1991 Taito America Corp.
North American release. Game developed in Europe by Ocean. See the original version for more information; "Rainbow Islands - The Story of Bubble Bobble 2 [Model NES-64-UKV]".
Description from the back cover:
Bubby and Bobby travel to Rainbow Islands in search of hidden treasure. Instead, they find only trouble. Seven worlds, plus a special bonus world. 32 action-packed rainbow-jumping levels of play. Play a demo round to get ready for the real thing. Defeat seven unsavory enemies to earn seven colored diamonds.
Cartridge ID: NES-RL-USA
Rainbow Islands for NES was released in June 1991 in North America.
Game's ROM.