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  Portal: Prelude [cheats]
Cheat mode
Enter the options menu, select "Controls",then "Advanced". Turn on the option for the console. Then press ~ during game play to display the console window. Type sv_cheats 1 to enable cheat mode. Then, enter one of the following codes at the console window to activate the corresponding cheat function. Note: In addition to these codes, most codes from Half-Life 2 also work in Portal: Prelude.

Effect Code
Allow separate sets of portals to be created change_portalgun_linkage_id [0-3]
Fire an energy ball fire_energy_ball
Portal placement cannot be bumped sv_portal_placement_never_bump 1
Portals can be placed on almost any surface sv_portal_placement_never_fail 1
Allow use of second portal placement upgrade_portalgun
Spawn citizen npc_create npc_citizen
Spawn Breen npc_create npc_breen
Spawn zombie npc_create npc_zombie
Spawn live Headcrab npc_create npc_headcrab
Spawn Barnacle npc_create npc_barnacle
Spawn Combine soldier npc_create npc_combine_s
Spawn G man with suitcase npc_create npc_gman
Spawn Alyx npc_create npc_alyx
Spawn Metro policeman npc_create npc_metropolice
Spawn standing turret npc_portal_turret_floor
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
Basic portal gun give weapon_portalgun
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 rocket from head (glitched) fire_rocket_projectile
All weapons, including those from Half Life 2 impulse 101
Invincibility god
Take damage but cannot die buddha
Set gravity; "600" is default sv_gravity [number]
No clipping mode noclip
All challenges completed sv_bonus_map_complete 1
Set game speed; default is "1" host_timescale [number]
Turrets do not shoot at you notarget
Disable cheat mode sv_cheats 0

Alternate title screen
Successfully complete the game to see the party room in disarray and partially on fire with search lasers from missile turrets sweeping around.

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