The Ultimate Kombat Codes appears at the single player game over screen. The following buttons control each box, from left to right: HP LP BL LK HK (player one side) HP LP BL LK HK (player two side). The numbers indicate how many times each button should be pressed to display the correct symbol in the box. A dash separates the player one entries from the player two entries.
| Effect | Ultimate Kombat Codes |
| Fight as Mileena | 22264-22264 |
| Fight as Ermac | 12344-44321 |
| Fight as Classic Subzero | 81835-81835 |
Kombat Kodes:
Kombat Kodes are entered at the two player versus screen that appears after character
selection. The following buttons control each box, from left to right: LP BL
LK (player one side) LP BL LK (player two side). The numbers
indicate how many times each button should be pressed to display the correct symbol in the
box. A dash separates the player one entries from the player two entries. A message will
appear when the match begins to confirm correct code entry.
| Effect | Kombat Kode |
| 2 on 2 only | 227-227 |
| Streets stage | 079-035 |
| Bridge stage | 077-022 |
| Shao Khan's Cave stage | 004-700 |
| Ermac's Portal stage | 933-933 |
| Noob Saibot's Dorfen stage | 050-050 |
| Subway stage | 880-088 |
| Scorpion's Lair (Hell) stage | 666-444 |
| Pit 3 stage | 820-028 |
| Roof Top stage | 343-343 |
| Soul Chamber stage | 123-901 |
| Temple stage | 600-040 |
| The Waterfront stage | 002-003 |
| The Grave Yard stage | 666-333 |
| Jade's Desert stage | 330-033 |
| Bell Tower stage | 091-190 |
| Shao Khan's Tower stage | 880-220 |
| P1 half energy | 033-000 |
| P2 half energy | 000-033 |
| P1 quarter energy | 707-000 |
| P2 quarter energy | 000-707 |
| Super endurance | 024-689 |
| P1 does half damage | 390-000 |
| P2 does half damage | 000-390 |
| No special moves | 555-556 |
| Combos disabled | 722-722 |
| Round 3 with almost no energy | 044-440 |
| Throwing disabled | 100-100 |
| Blocking disabled | 020-020 |
| Real Kombat | 040-404 |
| Psycho Kombat | 985-125 |
| Randper Kombat | 444-444 or 460-460 |
| Dark Kombat | 688-422 |
| Silent Kombat | 300-300 |
| First round winner fights Classic Smoke | 205-205 |
| First round winner fights Noob Saibot | 769-342 |
| First round winner fights Motaro | 969-141 |
| First round winner fights Shao Khan | 033-564 |
| "Go See The MK Live Tour" message | 550-550 |
| "Rain Can Be Found In The Grave Yard" message | 717-313 |
| "There Is No Knowledge That Is Not Power!" message | 123-926 |
| "Pub! D.K.P." message | 300-003 |
| "It Should Work!?" message | 200-002 |
| "It's Your Sprite Routine! M.A.H." message | 100-001 |
| "Hold Flippers During Casino Run" message | 987-666 |
| "No Fear, Max Countdown, E B Button, Skydive" message | 282-282 |
| "Whacha Gun Do? E.B." message | 004-400 |
| "Skunky!!" message | 122-221 |
| "Don't Jump At Me" message | 448-844 |
| Invisible Energy Bars | 987-123 |
| Show The Revision # | 999-999 |
| Unlimited Run | 466-466 |
| Super Endurance | 024-689 |
| Hyper Run Jumps | 321-789 |
| Play Galaga | 642-468 |
| Uppercut Recovery | 788-322 |
Fight as Human Smoke:
Select Smoke, then hold HP + HK + BL + RUN +Left
until the match starts. Note: If playing as player two, press Right instead of Left.
Fight as Noob Saibot:
Note: This can only be enabled on WaveNet machines. Play against a human opponent.
Select Kano then hold Back + LP + LK + HP + BL until
the match begins.