Rainbow Islands Extra is a remixed and highly challenging 1988 arcade platformer developed by Taito. Released as a limited-edition follow-up to Rainbow Islands: The Story of Bubble Bobble 2, it retains the magical rainbow-slinging gameplay but drastically alters enemy placements, boss sequences, and stage layouts. Designed for veterans of the original game, this version offers a significantly steeper difficulty curve right from the first island.
How to Play
Your objective is to guide Bubby (or Bobby in two-player mode) to the top of each vertically scrolling stage before time runs out and the rising water catches you. You can defeat enemies by firing rainbows to trap them or by dropping rainbows onto them from above. To play in the browser, use the Arrow Keys to move, Z to jump, and X to fire rainbows. Insert a virtual coin using Shift and press Enter to start.
Tips
- Crush enemies: Jumping onto a rainbow from above will cause it to collapse downward, instantly defeating any enemies caught underneath and often yielding better items than trapping them.
- Rainbow bridges: You can walk on your rainbows to reach higher areas, but they will slowly sink under your weight and eventually disappear.
- Gem collection: Collecting the seven colored gems in the correct rainbow order (red, orange, yellow, green, blue, indigo, violet) unlocks a secret room after the boss, granting a permanent power-up.

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