Cheat mode
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 to activate the corresponding cheat function.
| New random hive for alien team | spawnhive |
| Destroy random hive for alien team | killhive |
| Random upgrade category (1 for defense, 2 for offense, 3 for movement, 4 for sensory) | addcat <1-4> |
| Remove upgrade category | removecat <1-4> |
| Get points | givepoints |
| Kill all players with your current weapon | killall |
| Toggle invincibility for yourself. | invul |
| Immediately start game | startgame |
| End game with victory for indicated team | Endgame <1 or 2> |
| Lala tooltip | tooltip lala |
| Play test event | testevent |
| Display current number of human players | getnumplayers |
| Teleport to nearest command station and start commander mode | startcommandermode |
| Exit commander mode | stopcommandermode |
| Simulate one web touch | web |
| Set culling distance needed for commander mode | setculldistance <value> |
| Set env_gamma level | setgamma <1.0-2.0> |
| Instant building construction | bigdig |
| Instant research | hightech |
| Give orders to yourself | orderself |
| Edit particle system | editps <name> |
| Lists particle systems | listps |
| Generate new minimap. | buildminimap |
| Crash NS | crash |
| Causes NS to assert | assert |
| Run server-side script | run <name> |
| Run a client-side script | clientrun <name> |
| Get indicated upgrade | giveupgrade <upgrade code> |
| Remove indicated upgrade | removeupgrade <upgrade code> |
| Kill all command stations | killcs |
| Slightly damage one command station | attackcs |
| Generate random alert | alert |
| Parasites self (no damage) | parasite |
| Paralyzes self (as level 5 ability) | paralyze |
| Show bounding boxes | boxes |
| Attempt to overflow player | overflow |
| Send test death message | deathmessage <weapon name> |
| Set skin color 0 is white, 1 is black | setskin <0 or 1> |
| Easier redemption test | redeem |
Upgrade codes
Use one of the following values for the "giveupgrade" and "removeupgrade" codes.
Distress beacon : "30
"Faster reinforcements: "31
"Jetpacks: "28
"Marine armor upgrade: "20
"Marine armor upgrade: "21
"Marine armor upgrade: "22
"Marine damage upgrade: "23
"Marine damage upgrade: "24
"Marine damage upgrade: "25
"Motion-tracking: "33
"Power Armor: "29
"Siege: "26
"Stimpack: "27