A free app for Android, by Megafauna Software.

Crystal Caverns Free is a color matching game. Shoot glowing gems to match colors and clear the board. The puzzles start off easy, but the more you play the more devious they get!

This TOTALLY FREE addictive color-matching puzzle game is so fun that you’ll want to keep playing it even when you’re not at your computer.

This game is so simple and yet so addictive that you’ll want to keep playing it even when you’re not at your computer. The gameplay is really easy to get started with, but the more you play the more devious the puzzles get!

The random mode is so easy that you can play the game even when you’re not at your computer.