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 |
|---|---|---|---|
| Gameplay | |||
| Unlimited Run | 0-0-1 | 0-0-1 | — |
| Weapon Kombat | 0-0-2 | 0-0-2 | — |
| Maximum Damage Disabled | 0-1-0 | 0-1-0 | — |
| Noob Saibot Mode | 0-1-2 | 0-1-2 | — |
| Red Rain | 0-2-0 | 0-2-0 | — |
| Explosive Kombat | 0-5-0 | 0-5-0 | — |
| No Rain | 0-6-0 | 0-6-0 | — |
| Throwing Disabled | 1-0-0 | 1-0-0 | — |
| Throwing + Max Damage Disabled | 1-1-0 | 1-1-0 | — |
| Free Weapon | 1-1-1 | 1-1-1 | — |
| No Power | 1-2-3 | 1-2-3 | — |
| Random Weapons | 2-2-2 | 2-2-2 | — |
| Big Heads | 3-2-1 | 3-2-1 | — |
| Randper Kombat | 3-3-3 | 3-3-3 | — |
| Armed And Dangerous | 4-4-4 | 4-4-4 | — |
| Many Weapons | 5-5-5 | 5-5-5 | — |
| Silent Kombat | 6-6-6 | 6-6-6 | — |
| Arenas | |||
| Goro's Lair | 0-1-1 | 0-1-1 | — |
| The Well | 0-2-2 | 0-2-2 | — |
| Elder Gods | 0-3-3 | 0-3-3 | — |
| The Tomb | 0-4-4 | 0-4-4 | — |
| Wind World | 0-5-5 | 0-5-5 | — |
| Reptile's Lair | 0-6-6 | 0-6-6 | — |
| Shaolin Temple | 1-0-1 | 1-0-1 | — |
| Living Forest | 2-0-2 | 2-0-2 | — |
| The Prison | 3-0-3 | 3-0-3 | — |
| Ice Pit | 3-1-3 | 3-1-3 | — |