Portal: The Flash Version
Cheat: V1.1! To cheat in Portal, first go to the Options Menu and enable the console. Once it is enabled, hit the "~" key. This will open the console, which is where the codes can be entered. Entering god enables invincibility, noclip allows the player to travel through objects, antiportal allows the player to create portals in nonportal areas, gotolevel Z with Z being the level number allows the player to skip to that level, gravity Z with Z being the gravity level, causes the gravity to change to the number entered.