Composed of many puzzles and surprises, Half-Life is a first-person shooter game set in a frighteningly immersive world. Players must carefully rethink all of their choices in order to survive. With completely interactive environments, every encounter in the game is a new challenge for players.
Half-Life is considered one of the most influential FPS games ever made. Players take on the role of Dr. Gordon Freeman, a physicist at the Black Mesa Facility, who accidentally opens a portal to another world. As they face off against powerful alien creatures and try to save humankind, players can use different cheat codes to enhance their gameplay. This guide comprises a list of the most important cheats in Half-Life and how players can activate them.
Half-Life: How to Install Mods
Learn how to easily install mods to enhance the gameplay experience in Half-Life.
How to Use Cheats in Half-Life
Before players can use cheats in Half-Life, they need to enable the cheats console. It is a simple process and can be done within seconds. To use cheats, open the console first. This can be done by pressing the tilde (~) key on the keyboard. Doing so opens a grey dialogue box, where players can type in the following command to enable cheats: sv_cheats 1. This will enable the cheats within Half-Life and will allow players to use any cheat to get the desired outcome.
Once cheats are enabled, players can enter any cheat code they want in the same dialogue box. All cheat codes for Half-Life and how to activate them are mentioned below.
Super Jump Cheats
As the name implies, these cheats can modify the jump. Players can enter the following command, sv_gravity X, where X is any number from 0 to 999 to customize how far they can jump.
| Effect | Cheat Code |
| Normal jump | sv_gravity 800 |
| Highest jump. Players can float or walk in the air for as long as they want. | sv_gravity 0 |
| The player is now the master of gravity | sv_gravity 0-999 |
| Cannot jump at all | sv_gravity 999 |
Items Cheats
These cheat codes can be used to get hands-on premium items and weapons in Half-Life.
| Item | Cheat Code |
| 357 magnum ammo | give ammo_357 |
| Shotgun ammo | give ammo_buckshot |
| MP5 | give weapon_mp5 |
| 357 Magnum | give weapon_python |
| Crossbow | give weapon_crossbow |
| Crowbar | give weapon_crossbar |
| Glock Pistol Clip | give ammo_glockclip |
| Gauss Rifle | give weapon_gauss |
| HEV Suit Battery (+15 armor) | give item_battery |
| Hornet Gun | give weapon_hornetgun |
| Laser Trip Mine | give weapon_tripmine |
| Pistol | give weapon_9mmhandgun |
| Rocket Launcher | give weapon_rpg |
| Satchel Charge | give weapon_satchel |
| Shotgun | give weapon_shotgun |
| Crossbow ammo | ammo_crossbow |
| Hand Grenades | give weapon_handgrenade |
| MP5 Grenades | give ammo_mp5grenades |
| Egon | give weapon_egon |
| Long Jump Module | give item_longjump |
| Rocket | give ammo_rpgclip |
| Health | give item_healthkit |
| HEV suit | give item_suit |
| Pistol Clip | give ammo_9mmclip |
Impulse Cheats
| Effect | Cheat Code |
| Creates a human grunt | impulse 76 |
| Get all weapons and armor Enter it again for more ammo and/or armor. | impulse 101 |
| Spawn Gibs | impulse 102 |
| Displays stats when looking at a monster | impulse 103 |
| Lists global entities | impulse 104 |
| Enemies will be unable to hear the player | impulse 105 |
| Displays the model when looking at an object | impulse 106 |
| Displays the texture name when looking at an object | impulse 107 |
| Controls all monsters on screen. (This code may not work for all versions of Half-Life) | impulse 109 |
| Displays information about AI node | impulse 195 |
| Spawns blood | impulse 202 |
| Deletes target NPC or monster from the game | impulse 203 |
Famous Cheats
These are the most widely used cheat codes in the game.
| Effect | Cheat Code |
| Enable God mode (Increases invincibility) | god |
| Enemies don’t attack the player | notarget |
| Access any map | map X, where X is the name of the map. |
| Walk through walls and air | noclip |
| Third person | Chase_active 1 |
| Third person view | thirdperson |
| Return to first person view | firstperson |
| See things brightly without the flashlight | lambert -1.0001 |
| Eliminate shadows | r_fullbright 1 |
| Turn shadows back on | r_fullbright 0 |
| Commit suicide | kill |
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Map Codes
To access any map, players can enter the command map X, where X is the name of the map. The names of all the maps available in Half-Life, along with their codes, are listed below.
| Map Name | Code |
| Black Mesa Inbound | c0a0, c0a0a, c0a0b, c0a0c, c0a0d, c0a0e |
| Anomalous Materials | c1a0, c1a0a, c1a0b, c1a0d, c1a0e |
| Unforeseen Consequences | c1a0c, c1a1, c1a1a, c1a1b, c1a1c, c1a1d |
| Office Complex | c1a2, c1a2a, c1a2b, c1a2c, c1a2d |
| We’ve Got Hostiles | c1a3, c1a3a, c1a3b, c1a3c, c1a3d |
| Blast Pit | c1a4, c1a4b, c1a4d, c1a4f, c1a4g, c1a4i, c1a4j, c1a4k |
| Power Up | c2a1, c2a1a, c2a1b |
| On A Rail | c2a2, c2a2a, c2a2b1, c2a2b2, c2a2c, c2a2d, c2a2e, c2a2f, c2a2g, c2a2h |
| Apprehension | c2a3, c2a3a, c2a3b, c2a3c, c2a3d, c2a3e |
| Residue Processing | c2a4, c2a4a, c2a4b, c2a4c |
| Questionable Ethics | c2a4d, c2a4e, c2a4f, c2a4g |
| Surface Tension | c2a5, c2a5a, c2a5b, c2a5c, c2a5d, c2a5e, c2a5f, c2a5g, c2a5w, c2a5x |
| Forget About Freeman | c3a1, c3a1a, c3a1b |
| Lambda Core | c3a2e, c3a2, c3a2a, c3a2b, c3a2c, c3a2d, c3a2f |
| Xen | c4a1 |
| Gonarch’s Lair | c4a2, c4a2a, c4a2b |
| Interloper | c4a1a, c4a1b, c4a1c, c4a1d, c4a1e, c4a1f |
| Nihilanth | c4a3 |
| Conclusion | c5a1 |
Most of the time, players will not begin in the same place they would if they accessed the map normally. It is advised to use the No Clipping Mode to move out of the starting positions .
