Load game with the command line: hl.exe -dev -console. Then, press ~ if the orange text on the screen does not disappear. During gameplay, press ~ to display the text prompt and type in sv_cheats 1. Press ~ and enter one of the following console commands:
| Code: | Result: |
| sv_gravity <-999 - 999999> | Adjust gravity |
| impulse 195 | AI node information |
| impulse 196 | AI node information |
| impulse 197 | AI node information |
| impulse 199 | AI node information |
| impulse 101 | All weapons and ammo |
| -reload | Auto-reload disabled |
| +reload | Auto-reload enabled |
| impulse 203 | Delete monster or NPC from world |
| developer 0 | Developer mode off |
| developer 1 | Developer mode on |
| /god | God mode. |
| impulse 101 | HEV suit, weapons, and ammo |
| impulse 104 | List global entities |
| /map <map name> | Map select<SUP>1</SUP> |
| impulse 106 | Model/sprite stats, while looking at target |
| impulse 103 | Monster stats, while looking at monster |
| /noclip | No clipping mode |
| /give <item name> | Obtain item<SUP>2</SUP> |
| /notarget | Opponents ignore character |
| /firstperson | Return to first person view |
| lambert -1.0001 | See things brightly without flashlight |
| impulse 105 | Silent player |
| impulse 102 | Spawns gibs and blood |
| kill | Suicide |
| impulse 107 | Texture name, while looking at object |
| /thirdperson | Third person view |
| developer 2 | Verbose developer mode |
