Now during play, press the ~ key and type in the following codes:
/god - God mode on/off /notarget - Enemies ignore you /impulse 101 - All weapons and ammo /noclip - No Clipping (Walk Through Walls, Etc.) /map C#A# - Go to any map (enter numbers for #: C1A1, C1A2, Etc.) /give XXXX - Gives any item. In place of "XXXX", enter one of the following: 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