Sega Master System · cheat codes
Mortal Kombat II cheats & codes
30 codes for Mortal Kombat II on the Sega Master System, including Action Replay codes.
Mortal Kombat II Action Replay codes
How to use: Datel's Action Replay sat between the console and the game. Enter codes on its menu before starting the game, or paste them into your emulator's cheat menu.
| Effect | Code |
|---|---|
| Infinite Health P1 | 00C4-8849 |
| Infinite Credits (Continues) | 00C4-0B09 |
| No Health P2 | 00C4-8A00 |
Mortal Kombat II Other codes
How to use: Additional codes collected by the community. Enter them through your emulator's cheat menu, choosing the format that matches your emulator.
| Effect | Code |
|---|---|
| Infinite Time | 00C4-3609 |
| Infinite Time | 005-A25-3BE |
| All Bosses Accessable on character select Screen | 0DD-164-C4A |
| Infinite Health P1 | 00C4-8849 |
| Infinite Credits (Continues) | 00C4-0B09 |
| No Health P2 | 00C4-8A00 |
| P1 Invincibility | 00F-D59-91D
00F-D69-193
7BF-D79-80E
FEF-D89-5D0
88F-D99-7F0 |
| P1 Infinite Health | 00B-459-F79 |
| P2 Infinite Health | 00B-4D9-F79 |
| Infinite Credits | 3A4-056-2A2 |
| Start with ?? Credits, instead of 6 | 081-50A-F76 |
| Infinite Fatality Time | C90-9C7-E69
C90-528-E69 |
| 2x More Fatality Time | 648-666-2A2
B4A-016-803 |
| 3x More Fatality Time | 968-666-2A2
FFA-016-803 |
| 4x More Fatality Time | C88-666-2A2
FFA-016-803 |
| 5x More Fatality Time | FF8-666-2A2
FFA-016-803 |
| Liu Kang Fatality - Press Kick | FF1-EB8-E6E |
| Sub Zero Fatality - Press Kick Then When Frozen Punch | FF2-5B8-C4A
FF2-5F8-E62 |
| Kitana Fatality - Press Kick | 3A2-178-801 |
| Reptile Fatality - Press Punch | FF2-228-C4A |
| Shang Tsung Fatality - Press Kick | FF2-328-F7A |
| Mileena Fatality - Press Kick | FF2-048-E62 |
| Scorpion Fatality - Press Punch | FF2-638-F7A |
| Jax Fatality - Press Punch and Keep Pressing for Full Fatality | FF2-3B8-E62 |
| All Characters Stage Fatality - Punch | FF3-298-E62 |
| Player 1 Only has to win 1 Round to Advance | 00C4-1002 |
| Player 2 Can't Win Fights No Matter How Many Rounds are Won | 00C4-1200 |
Using cheats today
Original cheat devices like the Game Genie, Action Replay and GameShark still turn up second-hand and work with original cartridges. Most modern emulators also have a built-in cheat menu that accepts these formats, so you can toggle codes on and off without extra hardware. Codes can differ between regional releases and revisions of a game; if one doesn't work, try the code list for another version.
Cheats can corrupt save files in rare cases, so back up your saves before experimenting.
Mortal Kombat II walkthroughs & guides
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Cheat codes are from the libretro-database community collection, used under CC BY-SA 4.0; the code tables on this page are shared under the same license. Codes are provided as-is: some may not work on every version of the game.