Cheat Codes

Disclaimer: We haven't been able to test all of these cheat codes so we cannot guarantee that they all work.

PlayStation - PAL & NTSC

All Weapons, Ammo & Medipacks: Enter in the INVENTORY screen. Highlight the TIMEX. HOLD L1+L2+R1+R2+Up, then exit the inventory 
All Items: Enter in the INVENTORY screen. Highlight the TIMEX. HOLD L1+L2+R1+R2+Down, then exit the inventory 
Special Features: Enter in the INVENTORY screen. Highlight the TIMEX. HOLD L1+L2+R1+R2+Circle+Up, then exit the inventory. Quit the game to see a new option on the main menu. 
Adventure Select: On the MAIN MENU screen, highlight NEW GAME and then HOLD the following buttons, then, still holding them, press X to begin: 
                         Joby's Story (Russian Base) - Up+L1 
                         Andy's Story (Black Isle) - Up+L2 
                         The Tower Block - Up+R1

PC & Mac

Unlimited Large Medipacks: Have your health bar half full and have only 1 Large Medipack. Open the INVENTORY and highlight the LARGE MEDIPACK. Press the LOOK button and quickly press the 9 button at the top of your keyboard not the Num Lock. Now exit the inventory. 
Unlimited Small Medipacks: Have your health bar half full and have only 1 Large Medipack. Open the INVENTORY and highlight the SMALL MEDIPACK. Press the LOOK button and quickly press the 0 button at the top of your keyboard not the Num Lock. Now exit the inventory.

Sega Dreamcast

Special Features: In the INVENTORY, highlight the TIMEX, HOLD Y until 'Secrets' reads '36/36'. Quit the game to see a new option on the main menu. 
Adventure Select: At the MAIN MENU, highlight NEW GAME and enter any of the following codes. Continue to hold the buttons until the level has loaded. 
                         Joby's Story (Russian Base) - HOLD L+R, Press Down 
                         Andy's Story (Black Isle) - HOLD L+R, Press Left 
                         The Tower Block - HOLD L+R, Press Right