Activision Code:
0E3C7DF21645EBB3
0C0D4BE7F8A2C1BF

Endless Health:
1C23E97FF8FCFEF1

Endless Ammo:
1C23E984F8FCFEF1

Transparent Mode:
1C23E981F8FCFEF1

Kill with one hit:
1C23E983F8FCFEF1

Invincible Enemies:
1C23E980F8FCFEF1

Activate Walk through walls (Press Select+R1):
EC241611F8FCF7FC
1C23E982F8FCFEF1

Deactivate Walk through walls (Press Select+R2):
EC241611F8FCF1FC
1C23E982F8FCFEFE

Activate Debug Info (Press Select+L1):
EC241611F8FCF3FC
1C23D8FCF8FCFEF1

Deactivate Debug Info (Press Select+L2):
EC241611F8FCF0FC
1C23D8FCF8FCFEFE