This page contains Cheats for Portal organized by sections for PC - Windows. Portal is a Action Shooter First-Person game, made by Valve Software, released on Oct 10, 2007 and published by Valve Software. If you can't find a hint or secret in our list, then please check this page periodically for the latest updates.
- Developer: Valve Software
- Publisher: Valve Software
- Genre: Action Shooter First-Person
- Release Date: Oct 10, 2007
- ESRB: Teen
Enter these codes in your console (~ button) Some of them may require sv_cheats set to 1...From: hairball
Beat Portal once....From: joany50
Complete each condition to get the allotted Achievement....From: karen43
Play the level where you face off with the laser guided robots. Once you get past the first few robots, you must start dropping the boxes on the robots heads so that they fall over. In the little place that you find the first two boxes, crouch and walk behind where the boxes were. You will find a little room with odd music playing and graffiti on t...From: Lucy
On the level where you get the companion cube after you run past the energy balls and are in the room with the three elevators, there are two doors leading to a catcher, and a platform that is pushed out of the wall. Walk up to the platform that is pushed out. Crouch behind it and walk through the opening. On the left hand side are a group of pictu...From: fati88
The graffiti in the game are clues for the ApertureScience.com web site. Go to the site and enter LOGIN as a command. Enter CJOHNSON as a username and TIER3 as a password. After logging in, type HELP for a list of commands....From: curly
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