CheatCodes.com: Cheats and Cheat Codes for Alien Resurrection for PSX

Cheat mode
At the main menu, press Circle, Left, Right, Circle, Up, R2. A "Cheat" selection will appear on the options screen, allowing God mode, all weapons, infinite ammunition, infinite oxygen, no chestbursting, and level selection.
Submitted by: Anonymous User Added: 26 Jan 2001	Report this Cheat as: An Unlockable \| Broken

Research mode
At the main menu, press Square, Up, Down, Circle, Left, R1. A "Research Mode" selection will appear on the options screen.
Submitted by: Anonymous User Added: 26 Jan 2001	Report this Cheat as: An Unlockable \| Broken

Alien Resurrection for PSX Cheats and Cheat Codes