A level-based auto-runner starring Sonic and friends. Tap to jump, double-jump, and triple-jump/fly/forward-smash depending who you’re playing as. Collect rings, defeat enemies, and avoid obstacles while your character races forward to the end of the level. To pass the level, you must complete at least one of its three goals, which are generally about collecting a certain number of rings or defeating a certain number of enemies, sometimes as a specific character. Some levels loop a few times and some loop infinitely until you achieve a goal; otherwise you either pass or fail when you reach the end. On top of this are some Dr. Eggman boss fights and bonus stages where you can rack up tons of rings.