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PC, Windows XP | Windows Vista Games Half-Life Cheats, Codes, Hints, Tips and Walkthroughs
Request Cheats or Guides   ||   Submit a Cheat, Codes, Hints, Tips or Tricks, Guide
PC Strategy Guides Canada:  Sony Playstation2 Half-Life Official Games Strategy Guides Books
UK:           Sony Playstation2 Half-Life Official Games Strategy Guides Books
USA:         Sony Playstation2 Half-Life Official Games Strategy Guides Books
Half-Life Guide by - Magus
Half-Life (PC) FAQ/Walkthrough Written by (Copyright) black hole sun - Paul Lauria
HALF LIFE - Multiplayer Guide Written by Tim Wuyts
USA>  Half-Life (Value Series): Official Strategy Guide
Europe>  Half-Life (Value Series): Official Strategy Guide
Canada>  Half-Life (Value Series): Official Strategy Guide
Start Half-Life with the -console parameter. So you have to start the game like this:

hl.exe -console

This will let you access the console using ~ (the key above Tab and below Esc). Then, type sv_cheats 1 in the console. The following commands are available in console then:

impulse 101 : All weapons & Ammo
/god : God Mode
/god 0 : Disable God Mode
/noclip : No clipping Mode & Fly Mode
/map xxxx : go to map xxxx.

Healing Water

If you're low on health, dive into the nearest safe water (not toxic waste) and stay submerged until the O2 warning flashes. Immediately surface and you'll gain 10-15 health.

Quick Weapon Reload

First of all, this only works for weapons with slow reload times, like the magnum and the tranquilizer crossbow. Upon running out of ammo in your clip, you will begin to reolad your weapon. If you want to fire faster, simply changes your weapon while in the reloading animation, and then switch back to the weapon you want to use, and realoading will be complete.

More Cheats - To use these below, you have to start the game with:

hl.exe -dev -console

This will let you access the console using ~ (the key above Tab and below Esc). Then, type sv_cheats 1 in the console. The following commands are available in console then:

/GIVE xxxx : give item xxxx. The following items are available:

item_airtank ; item_antidote ; item_battery; item_healthkit ; item_longjump ; item_security ; item_sodacan ; item_suitammo_357 ; ammo_9mmAR ; ammo_9mmbox; ammo_9mmclip ; ammo_ARgrenades ; ammo_buckshot ; ammo_crossbow ; ammo_egonclip ; ammo_gaussclip; ammo_glockclip ; ammo_mp5clip ; ammo_mp5grenades ; ammo_rpgclipweapon_357 ; weapon_9mmAR ; weapon_9mmhandgunweapon_crossbow ; weapon_crowbar ; weapon_egon; weapon_gauss ; weapon_glock ; weapon_handgrenadeweapon_hornetgun ; weapon_mp5 ; weapon_pythonweapon_rpg ; weapon_satchel ; weapon_shotgunweapon_snark ; weapon_tripmine

Map List

Use the first parameter to start halflife, then go into the console and enter /map xxx (where xxx represents one of the maps below)

Single Player

c0a0 ; c0a0a ; c0a0b ; c0a0c ; c0a0d; c0a0e ; c1a0 ; c1a0a ; c1a0b ; c1a0c ; c1a0d ; c1a0e ; c1a1 ; c1a1a ; c1a1b; c1a1c ; c1a1d ; c1a1f ; c1a2 ; c1a2a ; c1a2b ; c1a2c ; c1a2d ; c1a3 ; c1a3a; c1a3b ; c1a3c ; c1a3d ; c1a4 ; c1a4b ; c1a4d ; c1a4e ; c1a4f ; c1a4g ; c1a4i; c1a4j ; c1a4k ; c2a1 ; c2a1a ; c2a1b ; c2a2 ; c2a2a ; c2a2b1 ; c2a2b2 ; c2a2c; c2a2d ; c2a2e ; c2a2f ; c2a2g ; c2a2h ; c2a3 ; c2a3a ; c2a3b ; c2a3c ; c2a3d; c2a3e ; c2a4 ; c2a4a ; c2a4b ; c2a4c ; c2a4d ; c2a4e ; c2a4f ; c2a4g ; c2a5; c2a5a ; c2a5b ; c2a5c ; c2a5d ; c2a5e ; c2a5f ; c2a5g ; c2a5w ; c2a5x ; c3a1; c3a1a ; c3a1b ; c3a2 ; c3a2a ; c3a2b ; c3a2c ; c3a2d ; c3a2e ; c3a2f ; c4a1; c4a1a ; c4a1b ; c4a1c ; c4a1d ; c4a1ec4a1f ; c4a2 ; c4a2a ; c4a2b ; c4a3 ; c5a1

Multiplayer/Deathmatch

boot_camp ; bounce ; datacore ; lambda_bunker ; snark_pit ; stalkyard ; subtransit ; undertow

Hazard Course

t0a0 ; t0a0a ; t0a0b ; t0a0b1 ; t0a0b2 ; t0a0c ; t0a0d

Command Line Parameters

console - Enables the console. To access it, press ~ (the key above Tab and below Esc) while playing.
dev - Developer's mode. Enables the console and displays debugging information while playing. Useful if you're having technical difficulties and want to find out why.
heapsize x - Tells Half-Life how much RAM (memory) it can use. For example, if you want it to use 32Mb of RAM then enter the parameter "-heapsize 32768". CAUTION! Do not request more memory than your computer has.
nointro - Skip the introduction movies.
noip - Removes the D.U.N. box for playing on LAN's (local area networks.) Remove this command whenever playing on the internet. If you don't you won't be able to play on-line.
noipx - Use this if you receive an IPX error when playing on a LAN.
numericping - Replace's the Half-Life server browser's "green dot" latecy info with real numbers. Only available in v1.0.0.8 or later.
startwindowed - Start Half-Life in window instead of fullscreen.
wavonly - Disables Direct Sound and plays SFX in wav files. Try this if your sound card stutters or you don't have DirectSound drivers.
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