Successfully complete the game on the easy difficulty setting to unlock the special menu and movie mode.
Successfully complete the game under the normal difficulty setting to unlock two player mode. In this mode, one person moves using a Dual Shock 2 controller, while the other shoots with a GunCon2.
Successfully complete the game under the hard difficulty setting to unlock the game art.
Shoot credits
You can use your gun to shoot the ending credits.
Game Shark Codes
Master Code (Must Be On):
0E3C7DF2 1853E59E
EE8EFDFE BCD0A302
Infinite Health:
CEAFDF94 BCA9DB23
Max Recovery Aid:
CEAFDE76 BCA99CE6
Max Resuscitation:
CEAFDE72 BCA99CE6
Max Antidotes:
CEAFDE7E BCA99CE6
Max Tachyons:
CEAFDE02 BCA9C292
Max Points:
DEAFDF3A BC413102
Have Ampoule:
CEAFDE06 BCA99C84
Unlockable List
Beat Normal Mode to unlock Duo Mode. This is a setup where the first player shoots with the guncon and the second player is in control of the direction with the controller. Beat Hard mode to unlock concept art. Beat the game on Normal with a B ranking or higher and do not use a resurrection pack to unlock infinity mode. Unlock the special menu and movie mode by beating the game on easy.
