Cheats & codes

Half-Life Cheat Codes

Grouped by type and platform, each one labelled reported working or tested.

There are 26 cheat codes for Half-Life across PC (Microsoft Windows). Each code below lists the exact button combination or console command, what it does, and whether using it disables achievements.

Verified 20 Oct 2026

Console commands

All Weapons And Ammo

Gives all weapons with full ammo; type it again to refill ammo and repair armor

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

Did this work for you? 1 of 1 reader says it worked

Cheats disable achievements

Delete Targeted Enemy

Deletes the enemy you are currently aiming at

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Enable Cheats

Enables cheat mode; launch the game with the -console parameter to open the console with the tilde key

Start the game with hl.exe -console, open the console during play, type the command and press Enter

PC Reported working

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Cheats disable achievements

Enable cheats first

Required before any other cheat command is accepted.

Launch with -console, press ` to open the console, then type the command.

PC Reported working

Did this work for you? 1 of 1 reader says it worked

Full Bright

Eliminates shadows and lights everything; use 0 to restore

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Get 357 Magnum

Gives the 357 Magnum revolver

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Get 9mm Handgun

Gives the glock style 9mm handgun

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Get Crossbow

Gives the crossbow

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Get Crowbar

Gives the crowbar

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Get Health Kit

Gives a health kit

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Get HEV Suit

Gives the HEV suit

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Get Hornet Gun

Gives the hornet gun

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Get Laser Tripmines

Gives laser tripmines

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Get MP5

Gives the MP5 submachine gun

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Get RPG

Gives the rocket launcher

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Get Shotgun

Gives the shotgun

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Get Snarks

Gives the snarks

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

God Mode

Invincibility

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

Did this work for you? 1 of 1 reader says it worked

Cheats disable achievements

Ignore enemies

Enemies stop reacting to you.

Requires sv_cheats 1 first.

PC Reported working

Did this work for you? 1 of 1 reader says it worked

Jump to a chapter

Loads any map by its name.

Type into the console.

PC Reported working

Did this work for you? 1 of 1 reader says it worked

No Clip

Fly through walls and objects

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

No clipping

Walk through walls.

Requires sv_cheats 1 first.

PC Reported working

Did this work for you? 1 of 1 reader says it worked

No Target

Enemies can no longer see or target you; you are invisible to them

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Set Gravity

Sets gravity; 800 is the normal value, lower is floatier

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Spawn Gibs

Spawns giblets

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

Spawn Marines

Spawns friendly marines

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter

PC Reported working

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Cheats disable achievements

A code stopped working after a patch? Tell us and we will retest it. Know one we are missing? Submit it here. What the tested badge means, and which codes carry it.

Tools for Half-Life cheats

Why is my cheat not working?
Answer a few questions and get the specific reason, from our guides.
Search Half-Life codes by effect
Type "money" or "god mode" and find the code, typos forgiven.
Test your controller and button sequences
See every button respond, and check a sequence press by press.

Quick answers

About Half-Life cheats

How many cheats does Half-Life have?

This page lists 26 for Half-Life, all of them console commands.

How do you enter cheats in Half-Life?

Start the game with hl.exe -console, open the console during play, type sv_cheats 1, then the command and press Enter. A few codes use a different method, shown beside each one.

Do cheats disable achievements in Half-Life?

22 of the 26 codes here carry a warning about achievements or trophies. The note reads: "Cheats disable achievements."

Which platforms are these Half-Life cheats for?

The codes on this page are listed for PC (26 codes). Where the game came out on other systems, the codes may differ there.

Are these Half-Life cheats still working?

All 26 are marked "Reported working": each comes from a documented source, and none has been run by us yet. A code we test gets a dated "Tested" badge.