GamePatchPlanet - Portal Cheats, Codes, Trainers, Patch Updates, Demos

Cheat Codes
At the Options menu go to Controls and choose Advanced and enable the option for the console. During gameplay press ~ (Tilde) to bring up the console and enter sv_cheats 1 which will enable cheats, you can now press ~ (Tilde) again to bring up the console and enter one of the following codes (to diable cheats type sv_cheats 0):
Invincibility - god
Portal placement cannot be bumped - sv_portal_placement_never_bump 1
All weapons, including those from Half Life 2 - impulse 101
Invisible weapon - impulse 200
Portals can be placed on most surfaces - sv_portal_placement_never_fail 1
Allow use of second portal placement - upgrade_portalgun
Spawn fast zombie from Half-Life 2 - npc_create npc_fastzombie
Spawn zombie that tosses Poison Headcrabs from its back - npc_create npc_poisonzombie
Spawn Alyx - npc_create npc_alyx
Spawn fast Headcrab - npc_create npc_headcrab_fast
Spawn Poison Headcrab - npc_create npc_poisonheadcrab
Spawn "ERROR" character - npc_create npc_zombine
Spawn live Headcrab - npc_create npc_headcrab
Spawn citizen - npc_create npc_citizen
Spawn Breen - npc_create npc_breen
Spawn zombie - npc_create npc_zombie
Spawn Barnacle - npc_create npc_barnacle
Spawn Bouncy metal ball - ent_create_portal_metal_sphere
Spawn Weighted Storage Cube - ent_create_portal_weight_box
Spawn a rocket turret - npc_create_aimed npc_rocket_turret
Spawn an airboat - ch_createairboat
Spawn Combine soldier - npc_create npc_combine_s
Spawn G man with suitcase - npc_create npc_gman
Spawn Metro policeman - npc_create npc_metropolice
Spawn standing turret - npc_portal_turret_floor
Spawn standing Half-Life 2 turret - npc_create npc_turret_floor
Basic portal gun - give weapon_portalgun
Allow separate sets of portals to be created - change_portalgun_linkage_id <0-3>
Fire an energy ball - fire_energy_ball
Toggle rocket turrets - ent_fire npc_rocket_turret toggle
Turn targeted storage cube into a companion cube - ent_fire !picker skin 1
First person view - firstperson
Third person view - thirdperson
Fire rockets from head - fire_rocket_projectile
Toggle frame rate display - cl_showfps <0 or 1>
Take damage but cannot die - buddha
Set gravity (default value is "600") - sv_gravity <number>
No clipping mode - noclip
All challenges completed - sv_bonus_map_complete 1
Set game speed (default value is "1") - host_timescale <number>
Turrets do not shoot at you - notarget
Play with a wired Xbox 360 controller - exec 360controller