At the versus screen, Player 1 enters the first 3 digits and Player 2 enters the last 3 digits. For the first digit, press Low Punch to cycle (0-9) then any other button to lock it in. For the second digit, use Block to cycle then lock. For the third digit, use Low Kick to cycle then lock. Codes only work in two-player matches.
| Effect | Player 1 | Player 2 | Notes |
|---|---|---|---|
| Armless Kombat | 9-1-1 | 9-1-1 | — |
| Blocking Disabled | 0-2-0 | 0-2-0 | — |
| Breakers Disabled | 0-9-0 | 0-9-0 | — |
| Dark Kombat | 0-2-2 | 0-2-2 | — |
| Double Dash | 3-9-1 | 1-9-3 | — |
| Dream Kombat | 2-2-2 | 5-5-5 | — |
| Enhance Moves Disabled | 0-5-1 | 1-5-0 | — |
| Explosive Kombat | 2-2-7 | 2-2-7 | — |
| Foreground Objects Disabled | 0-0-1 | 0-0-1 | — |
| Headless Kombat | 8-0-8 | 8-0-8 | — |
| Health Recovery | 0-1-2 | 0-1-2 | — |
| Hyper Fighting | 0-9-1 | 0-9-1 | — |
| Invisible Kombat | 7-7-0 | 7-7-0 | — |
| Jumping Disabled | 8-3-1 | 8-3-1 | — |
| Klassic Music | 1-0-1 | 1-0-1 | Turns on the stage's classic music |
| Kombos Disabled | 9-3-1 | 9-3-1 | — |
| No Blood | 9-0-0 | 9-0-0 | — |
| Player 1 Half Health | 1-1-0 | 0-0-0 | — |
| Player 1 Quarter Health | 2-2-0 | 0-0-0 | — |
| Player 2 Half Health | 0-0-0 | 1-1-0 | — |
| Player 2 Quarter Health | 0-0-0 | 2-2-0 | — |
| Power Bars Disabled | 4-0-4 | 4-0-4 | — |
| Psycho Kombat | 7-0-7 | 7-0-7 | — |
| Quick Uppercut Recovery | 3-0-3 | 3-0-3 | — |
| Rainbow Kombat | 2-3-4 | 2-3-4 | — |
| Random Phrase 1 | 7-1-7 | 3-1-3 | "Don't defend in a temple corrupted with shadow." |
| Random Phrase 2 | 4-4-8 | 8-4-4 | "The krypt walls hold secrets." |
| Random Phrase 3 | 1-2-2 | 2-2-1 | "What lurks at the bottom of The Pit?" |
| Random Phrase 4 | 0-0-9 | 0-0-9 | "?SUNOB YTSAOT" |
| Random Phrase 5 | 5-5-0 | 0-5-5 | "Who hides in the forest?" |
| Random Phrase 6 | 0-3-1 | 1-3-0 | "Motaro Transformation?" |
| Random Phrase 7 | 2-8-2 | 2-8-2 | "She waits for you at the top of the tower…" |
| Random Phrase 8 | 1-2-3 | 9-2-6 | "Thanks for karing!" |
| Sans Power | 0-4-4 | 4-4-0 | — |
| Silent Kombat | 3-0-0 | 3-0-0 | — |
| Specials Disabled | 7-3-1 | 7-3-1 | — |
| Super Recovery | 1-2-3 | 1-2-3 | — |
| Throwing Disabled | 1-0-0 | 1-0-0 | — |
| Throwing Encouraged | 0-1-0 | 0-1-0 | — |
| Tournament Mode | 1-1-1 | 1-1-1 | — |
| Unlimited Super Meter | 4-6-6 | 4-6-6 | — |
| Vampire Kombat | 4-2-4 | 4-2-4 | — |
| X-Rays Disabled | 2-4-2 | 2-4-2 | — |
| Zombie Kombat | 6-6-6 | 6-6-6 | — |
