Half-Life Cheat Codes for PC (Page All)

God mode

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/god	God mode

Adjust gravity

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/sv_gravity <-999 - 999999>	Adjust gravity

All weapons and ammo

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/impulse 101	All weapons and ammo

Developer mode on

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/developer 1	Developer mode on

Verbose developer mode

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/developer 2	Verbose developer mode

Developer mode off

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/developer 0	Developer mode off

Suicide

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/kill	Suicide

Map select

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/map <map name>	Map select

No clipping mode

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/noclip	No clipping mode

Obtain item

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/give <item name>	Obtain item

Opponents ignore character

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/notarget	Opponents ignore character

Third person view

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/thirdperson	Third person view

Return to first person view

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/firstperson	Return to first person view

Auto-reload enabled

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/+reload	Auto-reload enabled

Auto-reload disabled

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/-reload	Auto-reload disabled

Speak word

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/speak <word>	Speak word

Speak sentence

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/speak <word.word2.word3>	Speak sentence

See things brightly without flashlight

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/lambert -1.0001	See things brightly without flashlight

Toggle light amplifier

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/r_fullbright <0,1>	Toggle light amplifier

Toggle game speed

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/host_framerate <0,1>	Toggle game speed

HEV suit, weapons, and ammo

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/impulse 101	HEV suit, weapons, and ammo

Spawns gibs and blood

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/impulse 102	Spawns gibs and blood

Monster stats, while looking at monster

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/impulse 103	Monster stats, while looking at monster

List global entities

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/impulse 104	List global entities

Silent player

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/impulse 105	Silent player

Model/sprite stats, while looking at target

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/impulse 106	Model/sprite stats, while looking at target

Texture name, while looking at object

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/impulse 107	Texture name, while looking at object

Control onscreen monsters

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/impulse 109	Control onscreen monsters

AI node Codes

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/impulse 195	AI node information 1
/impulse 196	AI node information 2
/impulse 197	AI node information 3
/impulse 199	AI node information 4

Delete monster or NPC from world

INSTRUCTIONS

First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code

CODE	EFFECT
/impulse 203	Delete monster or NPC from world

Map Codes

INSTRUCTIONS

Enter the single player map name.

CODE	EFFECT
c0a0	Unknown map function 1
c0a0a	Unknown map function 2
c0a0b	Unknown map function 3
c0a0c	Unknown map function 4
c0a0d	Unknown map function 5
c0a0e	Unknown map function 6
c1a0	Unknown map function 7
c1a0a	Unknown map function 8
c1a0b	Unknown map function 9
c1a0c	Unknown map function 10
c1a0d	Unknown map function 11
c1a0e	Unknown map function 12
c1a1	Unknown map function 13
c1a1a	Unknown map function 14
c1a1b	Unknown map function 15
c1a1c	Unknown map function 16
c1a1d	Unknown map function 17
c1a1f	Unknown map function 18
c1a2	Unknown map function 19
c1a2a	Unknown map function 20
c1a2b	Unknown map function 21
c1a2c	Unknown map function 22
c1a2d	Unknown map function 23
c1a3	Unknown map function 24
c1a3a	Unknown map function 25
c1a3b	Unknown map function 26
c1a3c	Unknown map function 27
c1a3d	Unknown map function 28
c1a4	Unknown map function 29
c1a4b	Unknown map function 30
c1a4d	Unknown map function 31
c1a4e	Unknown map function 32
c1a4f	Unknown map function 33
c1a4g	Unknown map function 34
c1a4i	Unknown map function 35
c1a4j	Unknown map function 36
c1a4k	Unknown map function 37
c2a1	Unknown map function 38
c2a1a	Unknown map function 39
c2a1b	Unknown map function 40
c2a2	Unknown map function 41
c2a2a	Unknown map function 42
c2a2b1	Unknown map function 43
c2a2b2	Unknown map function 44
c2a2c	Unknown map function 45
c2a2d	Unknown map function 46
c2a2e	Unknown map function 47
c2a2f	Unknown map function 48
c2a2g	Unknown map function 49
c2a2h	Unknown map function 50
c2a3	Unknown map function 51
c2a3a	Unknown map function 52
c2a3b	Unknown map function 53
c2a3c	Unknown map function 54
c2a3d	Unknown map function 55
c2a3e	Unknown map function 56
c2a4	Unknown map function 57
c2a4a	Unknown map function 58
c2a4b	Unknown map function 59
c2a4c	Unknown map function 60
c2a4d	Unknown map function 61
c2a4e	Unknown map function 62
c2a4f	Unknown map function 63
c2a4g	Unknown map function 64
c2a5	Unknown map function 65
c2a5a	Unknown map function 66
c2a5b	Unknown map function 67
c2a5c	Unknown map function 68
c2a5d	Unknown map function 69
c2a5e	Unknown map function 70
c2a5f	Unknown map function 71
c2a5g	Unknown map function 72
c2a5w	Unknown map function 73
c2a5x	Unknown map function 74
c3a1	Unknown map function 75
c3a1a	Unknown map function 76
c3a1b	Unknown map function 77
c3a2	Unknown map function 78
c3a2a	Unknown map function 79
c3a2b	Unknown map function 80
c3a2c	Unknown map function 81
c3a2d	Unknown map function 82
c3a2e	Unknown map function 83
c3a2f	Unknown map function 84
c4a1	Unknown map function 85
c4a1a	Unknown map function 86
c4a1b	Unknown map function 87
c4a1c	Unknown map function 88
c4a1d	Unknown map function 89
c4a1e	Unknown map function 90
c4a1f	Unknown map function 91
c4a2	Unknown map function 92
c4a2a	Unknown map function 93
c4a2b	Unknown map function 94
c4a3	Unknown map function 95
c5a1	Unknown map function 96

Function Codes

INSTRUCTIONS

Enter the multiplayer/deatmatch code.

CODE	EFFECT
boot_camp	Unknown multiplayer/deatmatch function 1
bounce	Unknown multiplayer/deatmatch function 2
datacore	Unknown multiplayer/deatmatch function 3
lambda_bunker	Unknown multiplayer/deatmatch function 4
snark_pit	Unknown multiplayer/deatmatch function 5
stalkyard	Unknown multiplayer/deatmatch function 6
subtransit	Unknown multiplayer/deatmatch function 7
undertow	Unknown multiplayer/deatmatch function 8

Hazard Course

INSTRUCTIONS

Enter the Hazard course code

CODE	EFFECT
t0a0	Unknown Hazard course function 1
t0a0a	Unknown Hazard course function 2
t0a0b	Unknown Hazard course function 3
t0a0b1	Unknown Hazard course function 4
t0a0b2	Unknown Hazard course function 5
t0a0c	Unknown Hazard course function 6
t0a0d	Unknown Hazard course function 7

Item Name Function

INSTRUCTIONS

Enter the item name code

CODE	EFFECT
item_airtank	Unknown item name function 1
item_antidote	Unknown item name function 2
item_battery	Unknown item name function 3
item_healthkit	Unknown item name function 4
item_longjump	Unknown item name function 5
item_security	Unknown item name function 6
item_sodacan	Unknown item name function 7
item_suit	Unknown item name function 8
ammo_357	Unknown item name function 9
ammo_9mmAR	Unknown item name function 10
ammo_9mmbox	Unknown item name function 11
ammo_9mmclip	Unknown item name function 12
ammo_ARgrenades	Unknown item name function 13
ammo_buckshot	Unknown item name function 14
ammo_crossbow	Unknown item name function 15
ammo_egonclip	Unknown item name function 16
ammo_gaussclip	Unknown item name function 17
ammo_glockclip	Unknown item name function 18
ammo_mp5clip	Unknown item name function 19
ammo_mp5grenades	Unknown item name function 20
ammo_rpgclip	Unknown item name function 21
weapon_357	Unknown item name function 22
weapon_9mmAR	Unknown item name function 23
weapon_9mmhandgun	Unknown item name function 24
weapon_crossbow	Unknown item name function 25
weapon_crowbar	Unknown item name function 26
weapon_egon	Unknown item name function 27
weapon_gauss	Unknown item name function 28
weapon_glock	Unknown item name function 29
weapon_handgrenade	Unknown item name function 30
weapon_hornetgun	Unknown item name function 31
weapon_mp5	Unknown item name function 32
weapon_python	Unknown item name function 33
weapon_rpg	Unknown item name function 34
weapon_satchel	Unknown item name function 35
weapon_shotgun	Unknown item name function 36
weapon_snark	Unknown item name function 37
weapon_tripmine	Unknown item name function 38
weapon_quantumdestabilizer	Unknown item name function 39

Alternate latency display in v1.0.0.8 or later

INSTRUCTIONS

(Alternate cheat mode) Enter password without the[brackets] Start the game with the following command line parameter to enable that particular cheat code.

CODE	EFFECT
[-numericping]	Alternate latency display in v1.0.0.8 or later

Bypass opening FMV sequences

INSTRUCTIONS

(Alternate cheat mode) Enter password without the[brackets] Start the game with the following command line parameter to enable that particular cheat code.

CODE	EFFECT
[-nointro ]	Bypass opening FMV sequences

Disable dial up networking box during LAN play.

INSTRUCTIONS

(Alternate cheat mode) Enter password without the[brackets] Start the game with the following command line parameter to enable that particular cheat code.

CODE	EFFECT
[-noip]	Disable dial up networking box during LAN play.

Disable DirectSound

INSTRUCTIONS

(Alternate cheat mode) Enter password without the[brackets] Start the game with the following command line parameter to enable that particular cheat code.

CODE	EFFECT
[-wavonly ]	Disable DirectSound

Disable IPX errors during LAN play

INSTRUCTIONS

(Alternate cheat mode) Enter password without the[brackets] Start the game with the following command line parameter to enable that particular cheat code.

CODE	EFFECT
[-noipx ]	Disable IPX errors during LAN play

Enable developers mode

INSTRUCTIONS

(Alternate cheat mode) Enter password without the[brackets] Start the game with the following command line parameter to enable that particular cheat code.

CODE	EFFECT
[-dev ]	Enable developers mode

Force amount of RAM available to game

INSTRUCTIONS

(Alternate cheat mode) Enter password without the[brackets] Start the game with the following command line parameter to enable that particular cheat code.

CODE	EFFECT
[-heapsize <bytes> ]	Force amount of RAM available to game

Windowed game play screen

INSTRUCTIONS

(Alternate cheat mode) Enter password without the[brackets] Start the game with the following command line parameter to enable that particular cheat code.

CODE	EFFECT
[-startwindowed]	Windowed game play screen

People Function

INSTRUCTIONS

Enter the following people code

CODE	EFFECT
monster_human_grunt	Unknown people function 1
monster_barney	Unknown people function 2
monster_scientist	Unknown people function 3
monster_generic	Unknown people function 4
monster_gman	Unknown people function 5

Monster Function

INSTRUCTIONS

Enter the following monster code

CODE	EFFECT
monster_sentery	Unknown monster function 1
monster_headcrab	Unknown monster function 2
monster_alien_slave	Unknown monster function 3
monster_alien_grunt	Unknown monster function 4
monster_bullchicken	Unknown monster function 5
monster_zombie	Unknown monster function 6
monster_apache	Unknown monster function 7
monster_ichthyosaur	Unknown monster function 8
monster_bigmomma	Unknown monster function 9
monster_barnacle	Unknown monster function 10
monster_tentacle	Unknown monster function 11
monster_gargantuan	Unknown monster function 12
monster_nihilanth	Unknown monster function 13
monster_houndeye	Unknown monster function 14
xen_tree	Unknown monster function 15
xen_spore_small	Unknown monster function 16
xen_spore_medium	Unknown monster function 17
xen_spore_large	Unknown monster function 18

Corpse Function

INSTRUCTIONS

Enter the following corpse code

CODE	EFFECT
monster_barney_dead	Unknown corpse function 1
monster_scientist_dead	Unknown corpse function 2
monster_hevsuit_dead	Unknown corpse function 3

HEV suit falls out

INSTRUCTIONS

Activate the code while in mid-air.

CODE	EFFECT
/impulse 101	HEV suit falls out

New Weapons

INSTRUCTIONS

INSTRUCTIONS
First load the game with the command line: hl.exe -dev -toconsole. Now, push ~ if the orange text on the screen does not disappear. While playing the game, push ~ to display the text prompt and type in sv_cheats 1. Push ~ and submit the following code.

CODE	EFFECT
/developer 1	New Weapons