Survive Black Mesa With These Half-Life PC Cheat Codes (2025)

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Adjust gravity, enable God Mode, and more

Table of Contents

  • How to Enable the Cheat Console

  • How to Enable the Console Via Command Prompt

  • Step-by-Step: Use Cheats

  • Cheat Codes List

  • /Give Items List

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By

Jason Rybka

Jason Rybka

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    Jason Rybka is a PC and Console gaming writer with expertise in gaming exploits. Jason was also the developer/owner of Xbox Solution and other web properties.

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    Updated on 08/04/24

    Reviewed by

    Jessica Kormos

    Survive Black Mesa With These Half-Life PC Cheat Codes (2)

    Reviewed byJessica Kormos

    • Saint Mary-of-the-Woods College

    Jessica Kormos is a writer and editor with 15 years' experience writing articles, copy, and UX content for Tecca.com, Rosenfeld Media, and many others.

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    Half-Life is a first-person shooter game developed and published by Valve. It came out in 1998 and tells the story of Gordon Freeman, a scientist at the Black Mesa Research Facility, who must survive an alien invasion when an experiment goes horribly wrong. If you want help tackling the aliens of Xen, add these codes for Half-Life cheats to your arsenal.

    This guide is specifically for cheat codes on the PC version of Half-Life.

    How to Enable Half-Life PC Cheat Codes

    Survive Black Mesa With These Half-Life PC Cheat Codes (3)

    To enable the cheat console in Half-Life, open the game from the command prompt or a special desktop shortcut you create. Here's how to do that:

    1. Locate the Half-Life shortcut on your desktop.

    2. Right-click the Half-Life shortcut, then select Properties. The file location displays in the target field. It might look similar to this:

       C:\Program Files\Sierra\Half-Life\hl.exe
    3. Add -console after the file. It should now look like this:

       C:\Program Files\Sierra\Half-Life\hl.exe" -console
    4. If you own a Game of the Year version of Half-Life, enter one extra command parameter called -dev. So, the shortcut or path will look like this:

       C:\Program Files\Sierra\Half-Life\hl.exe" -dev -console
    5. Press OK to save the changes and close the window.

    How to Enable the Console Via Command Prompt

    There's an alternate way to enable the Half-Life cheat console using the Command Prompt program. Here's how:

    1. Go to Start > All Programs > Accessories > Command Prompt.

    2. Type C:\Program Files\Sierra\Half-Life\hl.exe -console.

    3. Press Enter.

    Some versions of Half-Life enable the console by default.

    How to Use Half-Life Cheats on PC

    After the console is enabled, do the following to use cheats in Half-Life:

    1. Start Half-Life with the console enabled.

    2. Press the tilde (~) key to open the console.

    3. Enter sv_cheats 1 and press Enter.

    If this is the first time cheats have been enabled, cheats won't activate until you load a game, start a new game, or move to another level.

    Half-Life PC Cheat Codes

    Cheat CodeEffect
    /sv_gravity <-999 - 999999>Adjusts gravity by the desired amount.
    /impulse 195; /impulse 196; /impulse 197; /impulse 199Gives AI Node information.
    /impulse 101All weapons and ammo.
    /-reloadDisables auto-reload.
    /+reloadEnables auto-reload.
    /impulse 109Control on-screen monsters.
    /impulse 203Delete monsters/NPCs.
    /developer 0Turns off Developer Mode.
    /developer 1Turns on Developer Mode.
    /godEnables God Mode.
    /impulse 101HEV suit, weapons, and ammo.
    /impulse 104Lists global entities.
    /map <map name>Map selection.
    /impulse 106Model/sprite stats while looking at target.
    /impulse 103Monster stats while looking at monster.
    /noclipEnables No Clipping Mode.
    /give <item name>Obtain the specified item.
    /notargetOpponents ignore the player.
    /firstpersonReturns you to first-person view.
    /lambert -1.0001See things brightly without the flashlight.
    /rate <0-3500>Set reload speed (0 is fastest, 3500 is default).
    /impulse 105Silent player.
    /impulse 202Spawns blood.
    /impulse 76Spawns a human grunt.
    /impulse 102Spawns gibs and blood.
    /speak <word.word2.word3>Speak the specified sentence.
    /speak <word>Speak the specified word.
    /r_fullbright 9Enables strange colors and wireframes.
    /killCommit suicide.
    /impulse 107Texture name while looking at object.
    /thirdpersonEnables third-person view.
    /host_framerate <0,1>Toggles game speed.
    /r_fullbright <0,1>Toggles the light amplifier.
    /developer 2Enables Verbose Developer Mode.

    Half-Life PC Items List

    The following is a list of items you can spawn using the /give <item name> cheat:

    • item_airtank
    • item_antidote
    • item_battery
    • item_healthkit
    • item_longjump
    • item_security
    • item_sodacan
    • item_suit
    • ammo_357
    • ammo_9mmAR
    • ammo_9mmbox
    • ammo_9mmclip
    • ammo_ARgrenades
    • ammo_buckshot
    • ammo_crossbow
    • ammo_egonclip
    • ammo_gaussclip
    • ammo_glockclip
    • ammo_mp5clip
    • ammo_mp5grenades
    • ammo_rpgclip
    • weapon_357
    • weapon_9mmAR
    • weapon_9mmhandgun
    • weapon_crossbow
    • weapon_crowbar
    • weapon_egon
    • weapon_gauss
    • weapon_glock
    • weapon_handgrenade
    • weapon_hornetgun
    • weapon_mp5
    • weapon_python
    • weapon_rpg
    • weapon_satchel
    • weapon_shotgun
    • weapon_snark
    • weapon_tripmine
    • weapon_quantumdestabilizer
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    Survive Black Mesa With These Half-Life PC Cheat Codes (2025)

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