Incredible Shrinking Sphere
ISS - Common abbreviation
Various functioning squares must be used to your advantage. Uniquely these include changes to the ball's size, as well as it's physics. Revolving squares randomly fire the ball off in another direction, and ramps shoot you in the current direction at high speed. Weapons can be collected, as can shields - both of which are required to avoid some of the hazards on show. Black holes are always fatal however.