C-Level Select- When Sonic is diddling his digit press Up, Down, Left, and Right in that order. Then, press and hold A and press Start.
C-Debug-When Sonic is diddling his digit press Up, C, Down, C, Left, C, and Right, C in that order. Then, press and hold A and press Start . Use B to change from Debug to Sonic, A to pick up objects, and C to move them around.