Go Knots 3D, developed by Rollic Games, is a free puzzle game available on Android. The objective of the game is to sort the colored chains onto the poles without getting them tangled. With over 100 levels, the game is challenging and addictive.

The gameplay is simple and intuitive. Players can rotate the puzzle to get a better view and tap on the chains to move them. The difficulty increases as the levels progress, and players must use their problem-solving skills to untangle the knots. The game has a relaxing soundtrack and a minimalist design that adds to the overall experience.

Overall, Go Knots 3D is a fun and engaging puzzle game that is perfect for killing time or relaxing after a long day. It is free to download and play, with optional in-app purchases for hints and solutions. If you're a fan of puzzle games, this one is definitely worth a try.