At the Kombat Code screen, enter the following for the desired effect.

Effect	Code
Dark Kombat	Up eight times, Right eight times, Left six times, Down four times, the punch button twice, and the kick button twice.
Disable Block	Up twice, and the punch button twice.
Disable Panel	Left nine times, Up eight times, Right seven times, the kick button three times, the punch button twice, and Down once.
Disable Throws	Left once, and Down once.
Half Energy Player 1	Up three times, and Right three times.
Half Energy Player 2	Punch button three times, and the kick button three times.
Psycho Kombat	Left nine times, Up eight times, Right five times, the kick button five times, the punch button twice, and Down once.
Quarter Energy Player 1	Left seven times, and Right seven times.
Quarter Energy Player 2	Down seven times, and the kick button seven times.
Smoke Activated	Up nine times, the kick button four times, the punch button three times, Right twice, Down twice, and Left once.
Unlimited Run	Up six times, Right six times, the punch button six times, the kick button six times, Left four times, and Down four times.