Rainbonauts
Like Tetris but with rainbows, unicorns, cats and more! 🦄
Rainbonauts launched on October 21, 2017 with 122 votes, #352 of 3,169 launches that month and more than 75% of that year's launches. The site was not reachable when checked in September 2026.
What it does
Your mission as a Rainbonaut is to power the galaxy by crafting rainbows from falling tiles in nostalgic Tetris-style. As you play endlessly or by levels, you'll collect a crew of super-powered heroes like tricky unicorns and gravity-altering sloths, unlock tiles like cat bombs that explode into black holes, explore worlds with new missions!
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