Doctor Robotnik's Creature Capture is a hack of Sonic the Hedgehog created by MarkeyJester. It stars Doctor Robotnik with a cameo by Sonic the Hedgehog. The objective of the hack is to play as Doctor Robotnik and try to capture as many creatures as possible by using a net to carry the creature to the creature capsule. Level select is enabled by default and almost all levels are open from the start.