| Cheat Name | Pro Action Replay (RAM) | Game Genie (ROM) | Game Genie (Decoded) |
| Infinite Health | 00CA5C09 | 3AF-0DC-2A2 | 3F0D?32:3A |
| Infinite 9 Lives | 00C0150A | 007-61B-3B7 090-75F-E66 | 4761?77:00 0075?03:09 |
| Freeze Timer | 00C0CB99 | 004-29F-5DD | 0429?ED:00 |
| 15 Hostages Saved | 00CA5D0F 00D65D0F | N/A | N/A |
| Weapon Select (See Option 1) | 00D2CF0? | N/A | N/A |
Option 1:
1 Default Single Shot (R)
2 Fireball (FB)
3 Laser (L)
4 Flamethrower (F)
5 Three-Way Shot (R)
6 Quick Shot (R)
7 Smart Fireball (FB)
8 Duel Laser (L)
9 Mighty Flamethrower (F)
All Cheats created by Gent over at Emucheats Discord
Download all the above cheats in RetroArch format and place into a cheats Game Gear folder to then navigate to and select for use with the game.
Alien Syndrome (Japan, Europe) – Game Gear
28 Downloads