After clearing the remaining islands, Bubby and Bobby will face off against the Boss of Dark Shadow, who is a giant armored Bubble Dragon. To achieve the best ending possible, Bubby and Bobby must collect seven more diamonds on each island, which will make the boss drop one of three mirrors.

Enemies will drop diamonds if a rainbow is dropped upon them, or if they are defeated by using certain items.Īfter collecting the seven big diamonds, Bubby and Bobby may continue on to the secret islands, all of which are themed after other Taito games. The last three islands are not available at the start, they must be unlocked by collecting the seven big diamonds which are only obtained by collecting the seven small diamonds which are dropped by enemies. Each island features four levels with a boss at the end of the fourth one. There are 10 islands in total, each with their own different theme. After reaching the top of the stage, Bubby and Bobby move on to the next one. If Bubby or Bobby touch the water, they will lose a life. If the player takes too long to clear the stage, the sea level begins to rise. Bubby and Bobby can collect power ups that allow them to shoot rainbows faster, increase their speed, or to increase the number of rainbows they shoot. Bubby and Bobby have the ability to shoot rainbows, which can defeat enemies, collect items, and act as platforms. The player controls Bubby or Bobby, who must make it to the top of the stage. They must collect the big gems and mirrors on the ten Rainbow Islands and defeat the Boss of Dark Shadow to return the islanders to normal. 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 Dark Shadow.

Nes rainbow island