Rainbow Islands: Bubble Bobble 2 (1991)

Released in Europe and Australia, this version is different from the alternative Japanese and North American NES version and plays more like the original arcade game.

Storyline

Bubby and Bobby set off to rescue the inhabitants of the Rainbow Islands, who have been turned into Bubble Dragons by the evil Boss of Shadow. They must collect the big gems and mirrors on the ten Rainbow Islands and defeat the Boss of Shadow to return the islanders to normal.