Start a crazy adventure by passing through various geometric objects in an endless tunnel. How To Play Played with Arrow Keys. Colorful Shape Tunnel Game Features ✓ Stylized particle ✓ Geometric obstacle ✓ Infinity Tunnel ✓ Colorful graphics Finally, you can enjoy these game for free (and more requests will be added)! Colorful Shape Tunnel Game extension does not contain any hidden ads. Help and Contact Contact with us at [email protected] and share your thoughts and problems.