God mode and guns plus walk through walls.Added 28 Dec 2007, ID #11968
First go to keyboard, select advanced options then turn on developer console.After that , start the game and hit ` (tilde). Type in sv_cheats 1.then you can type in god for godmod, impulse 101 for guns, and noclip for walk though walls.
ok im going to tell you how to get all weapons from portal and half life 2.first you have to go to options and enable developer console.then you heave to open the console by pressing the thing obove your tab(dont push shift).then you type in "sv_cheats 1" to turn cheats on.last you put in "impulse 101"then you should have all weapons from half life 2 and portal thanks for reading this cheat see you in my next text.
These cheats are enabled via the console option on shortcut. During gameplay press the '~' (tilde) key to bring up the cheat console to enter the codes (most of these require sv_cheats to be set to 1).
Lets Separate Sets of Portals be Created: Enter 'change_portalgun_linkage_id # (0, 1, 2, 3)'
Put Portals on any Surface: Enter 'sv_portal_placement_never_fail # (1 or 0)'
Solve Puzzles by Firing an Energy Ball: Enter 'fire_energy_ball'. Lets you use a second Portal Placement: Upgrade_portalgun
Create a Weighted Storage Cube: Enter 'ent_create_portal_weight_box'
Unlock Cake Intro Screen: This option becomes available when you have beaten the game.