Press CTRL + ALT + ~ to bring up the console. Then enter the following codes:
| god | God Mode |
| give weapon_chaingun | Get Chaingun |
| give weapon_grabber | Get Grabber |
| give weapon_machinegun | Get Machine Gun |
| give weapon_plasmagun | Get Plasma Gun |
| give weapon_rocketlauncher | Get Rocket Launcher |
| give weapon_shotgun | Get Shotgun |
| give weapon_bfg | Get BFG 9000 |
| give health | Max Health |
| give armor | Max Armor |
| give ammo | Max Ammo |
| give all | Max Health, Armor, and Ammo |
| give keys | Get Every Key for the Current Level |
Storage locker combinations:
| 492 | Locker 009 |
| 516 | Locker 029 |
| 134 | Locker 034 |
| 134 | Locker 035 |
| 714 | Locker 042 |
| 769 | Locker 105 |
| 634 | Locker 116 |
| 634 | Locker 117 |
| 937 | Locker 407 |
| 937 | Locker 408 |
Thanks to Revolution reader Mikael!
