Stage select:
Press A + B + C + D when making a selection on the "Stage Start" screen. Game play will begin at four stages past the currently highlighted stage, allowing stages 5 through 8 to be selected.

Full power:
Press Up(2), Down(2), Left, Right, A, B while your fighter is flashing when the match starts or after a probe explodes.

View demonstration sequences:
Press Left(7), Right at the title screen. Press A, B, C, D on controller one to view the first four demonstration sequences. Press the same buttons on controller two to view the last four demonstration sequences.

Name change:
Enter AAA as a name on the high score screen. The initials will automatically change to "SNK".