At the versus screen before the match starts, Player 1 enters the first 3 digits while Player 2 enters the last 3.

Effect	Password
Armless Kombat	P1: 9-1-1 P2: 9-1-1
Blocking Disabled	P1: 0-2-0 P2: 0-2-0
Breakers Disabled	P1: 0-9-0 P2: 0-9-0
Dark Kombat	P1: 0-2-2 P2: 0-2-2
Double Dash	P1: 3-9-1 P2: 1-9-3
Dream Kombat	P1: 2-2-2 P2: 5-5-5
Enhance Moves Disabled	P1: 0-5-1 P2: 1-5-0
Explosive Kombat	P1: 2-2-7 P2: 2-2-7
Foreground Objects Disabled	P1: 0-0-1 P2: 0-0-1
Headless Kombat	P1: 8-0-8 P2: 8-0-8
Health Recovery	P1: 0-1-2 P2: 0-1-2
Hyper Fighting	P1: 0-9-1 P2: 0-9-1
Invisible Kombat	P1: 7-7-0 P2: 7-7-0
Jumping Disabled	P1: 8-3-1 P2: 8-3-1
Klassic Music Turns on the stage's classic music (from previous MK titles).	P1: 1-0-1 P2: 1-0-1
Kombos Disabled	P1: 9-3-1 P2: 9-3-1
No Blood	P1: 9-0-0 P2: 9-0-0
Player 1 Half Health	P1: 1-1-0 P2: 0-0-0
Player 1 Quarter Health	P1: 2-2-0 P2: 0-0-0
Player 2 Half Health	P1: 0-0-0 P2: 1-1-0
Player 2 Quarter Health	P1: 0-0-0 P2: 2-2-0
Power Bars Disabled	P1: 4-0-4 P2: 4-0-4
Psycho Kombat	P1: 7-0-7 P2: 7-0-7
Quick Uppercut Recovery	P1: 3-0-3 P2: 3-0-3
Rainbow Kombat	P1: 2-3-4 P2: 2-3-4
Random Phrase 1 "Don't defend in a temple corrupted with shadow."	P1: 7-1-7 P2: 3-1-3
Random Phrase 2 "The krypt walls hold secrets."	P1: 4-4-8 P2: 8-4-4
Random Phrase 3 "What lurks at the bottom of The Pit?"	P1: 1-2-2 P2: 2-2-1
Random Phrase 4 "?SUNOB YTSAOT"	P1: 0-0-9 P2: 0-0-9
Random Phrase 5 "Who hides in the forest?"	P1: 5-5-0 P2: 0-5-5
Random Phrase 6 "Motaro Transformation?"	P1: 0-3-1 P2: 1-3-0
Random Phrase 7 "She waits for you at the top of the tower..."	P1: 2-8-2 P2: 2-8-2
Random Phrase 8 "Thanks for karing!"	P1: 1-2-3 P2: 9-2-6
Sans Power	P1: 0-4-4 P2: 4-4-0
Silent Kombat	P1: 3-0-0 P2: 3-0-0
Specials Disabled	P1: 7-3-1 P2: 7-3-1
Super Recovery	P1: 1-2-3 P2: 1-2-3
Throwing Disabled	P1: 1-0-0 P2: 1-0-0
Throwing Encouraged	P1: 0-1-0 P2: 0-1-0
Tournament Mode	P1: 1-1-1 P2: 1-1-1
Unlimited Super Meter	P1: 4-6-6 P2: 4-6-6
Vampire Kombat	P1: 4-2-4 P2: 4-2-4
X-Rays Disabled	P1: 2-4-2 P2: 2-4-2
Zombie Kombat	P1: 6-6-6 P2: 6-6-6