Half-Life Cheats Codes
Load Half-Life with the console enabled. If you don't know how to enable the console look on the previous page.
Press the tilde key "~" to the left of the 1 on the keyboard to bring up the console, type in sv_cheats 1 to enable cheats, and enter one of the following codes to activate it.
Adjust Gravity
/sv_gravity <-999 - 999999>
AI Node Information
/impulse 195
/impulse 196
/impulse 197
/impulse 199
All Weapons and Ammo
/impulse 101
Auto-reload Disabled
/-reload
Auto-reload Enabled
/+reload
Control on-Screen Monsters
/impulse 109
Delete Monster/NPC from World
/impulse 203
Developer Mode Off
/developer 0
Developer Mode On
/developer 1
God Mode
/god
HEV Suit, Weapons, and Ammo
/impulse 101
List Global Entities
/impulse 104
Map Select
/map <map name>
Model/Sprite Stats, While Looking at Target
/impulse 106
Monster Stats, While Looking at Monster
/impulse 103
No Clipping Mode
/noclip
Obtain Item
/give <item name>
Opponents Ignore Character
/notarget
Return to First Person View
/firstperson
See Things Brightly Without Flashlight
/lambert -1.0001
Set Reload Speed; 0 is fastest, 3500 is default
/rate <0-3500>
Silent Player
/impulse 105
Spawn Blood
/impulse 202
Spawn Human Grunt
/impulse 76
Spawn Gibs and Blood
/impulse 102
Speak Sentence
/speak <word.word2.word3>
Speak Word
/speak <word>
Strange Colors and Wireframes
/r_fullbright 9
Suicide
/kill
Texture Name, While Looking at Object
/impulse 107
Third Person View
/thirdperson
Toggle Game Speed
/host_framerate <0,1>
Toggle Light Amplifier
/r_fullbright <0,1>
Verbose Developer Mode
/developer 2
Half-Life Item List
The following items are used with the /give code:
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