Oops... Looks like you're on mobile or flash is not enabled
We're trying to get some mobile games up and running, but unfortunately our flash games don't work on phone or tablet. How about some hilarious science jokes instead?
Expand your threatened reef and create new homes for your fish by planting coral, gathering plankton, and feeding young polyps. Beware of rival fish, vile pollution and dangerous environments that will try to hold you back and destroy your creations!
How to Play
Click and drag to attach polyps (coral animals) to rocks and inhabit them with colorful algae.
Ruffle Mode
You're trying to play Kaleidoscope Reef with Ruffle, which might not yet fully support your game. Ruffle is an Adobe Flash emulator, designed keep Flash games playable after browsers disabled support for Flash in 2021. If your game isn't working, keep checking in, and in the meantime, try one of Experimonkey's fully-functional flash games!
Flash Mode | Legacy
