Start the game with + developer 1 and go to the console(`). Now type in these codes...
| GOD | godmode |
| NOCLIP | noclipping mode |
| MAP (name) | maps in the demo are: bar_sr, bike, pawn_sr, sewer, sr1, sr2 and sr3 |
| GIVE ALL | everything exept money |
| BULLETS ### | gives you ### bullets |
| SHELLS ### | gives you ### shells |
| GAS ### | gives you ### gas |
| CROWBAR | gives you the crowbar |
| PISTOL | gives you the pistol |
| SHOTGUN | gives you the shotgun |
| FLAMETHROWER | gives you the flamethrower |
| CASH ### | gives you ### money |
| KEY1-10 | gives you key1-10 |
| COIL | gives you coil |
| WATCH | gives you a watch |
| BATTERY | gives you batteries |