sv_cheats 1 - Enables cheat mode
sv_cheats 0 - Disables cheat mode

ai_disable - Toggles enemy artificial intelligence
buddha - Toggles buddha mode (Player takes damage but won't die.)
ch_createairboat - Spawn airboat in front of the player.
ch_createjeep - Spawn jeep in front of the player.
god - Toggles god mode (Invincibility)
hurtme <#> - Hurts the player by # health points impulse 101 - Gives all weapons and ammunition
mat_wireframe 1 - Enables wireframe mode (See through walls)
noclip - Toggles noclip mode (Walk through walls)
notarget - Toggles notarget mode (Enemies don't shoot you)
r_modelwireframedecal 1 - Displays damage done to enemy in wireframe mode
sv_noclipduringpause 1 - Allows noclip cheat to work while game is paused
sv_infinite_aux_power 1 - Enables infinite auxilary power showtriggers 0 - Shows trigger brushes when set to 0

1/ Start game Got to options,keyboard, advanced tab, tick enable developer console ~

2/ Start a new  game or load a save, bring down the console by using the ¬ key on uk keyboards and the ~ key on us keyboards.

3/ Set Cheats
Bring DOWN the console and enter “sv_cheats 1” then press enter key