3D Sonic the Hedgehog

[final kaoss]

Debug mode

At the title screen hit : up C, down C, left C, right. If you hear a ring, hold A and tap start and don't let go of A. Once you see sonic you can let go of A. Debug mode has been enabled.

[final kaoss]

Level select

Enter the following code at the title screen: Up, Down, Left, Right, Y, X.