Default ball. Control makes it bounce less.
Sticky ball. Control makes it stick to walls.
Magnetic ball. Control makes it attracted to magnets.
Opposite of ^. Control makes it fly away from nearby magnets.
Goes really fast and bounces really high. Control makes it go in slo-mo.
Activates electropads.
Has no terminal velocity and barely loses any speed at all when bouncing.
Control makes it float about 5 ball lengths above the ground.
Becomes more invisible the faster it goes. Cannot be seen in this state by select enemies.
Control makes it point at the level's pointer. Which does nothing, btw.