Cheat mode (Portal) You can use one of the following cheat codes during game play:
Code: | Result: | Down, Circle, X, Circle, Triangle, Down, Circle, X, Circle, Triangle | Create box | Up, Triangle(2), Square(2), X(2), Circle(2), Up | Fire energy ball | Up, Triangle(2), Circle(2), X(2), Square(2), Up | Fire rocket projectile | Left(4), L1, Right(4), R1 | Level select | Triangle, X, Circle, X, Circle, Triangle(2), X, Left, Right | Portal placement anywhere | Up, Left, Down, Right, Up, Left, Down, Right, Triangle(2) | Portalgun ID 0 | Up, Left, Down, Right, Up, Left, Down, Right, Square(2) | Portalgun ID 1 | Up, Left, Down, Right, Up, Left, Down, Right, X(2) | Portalgun ID 2 | Up, Left, Down, Right, Up, Left, Down, Right, Circle(2) | Portalgun ID 3 | Square, Circle, L1, R1, Left, Right, L1, R1, L2, R2 | Upgrade Portalgun |
Alternate title screen (Portal) Successfully complete the game to see the cake title screen.
Cheat mode (Half-Life 2: Episode One) You can use one of the following cheat codes during game play:
Code: | Result: | Triangle, Circle, X, Square, R1, Triangle, Square, X, Circle, R1 | Full ammunition (Gravity Gun) | Left(4), L1, Right(4), R1 | Level select | Up(2), Down(2), Left, Right, Left, Right, Circle, X | Restore health |
Cheat mode (Half-Life 2: Episode Two) You can use one of the following cheat codes during game play:
Code: | Result: | Triangle, Circle, X, Square, R1, Triangle, Square, X, Circle, R1 | Full ammunition (Gravity Gun) | Left(4), L1, Right(4), R1 | Level select | Up(2), Down(2), Left, Right, Left, Right, Circle, X | Restore health |
Hidden pumpkins (Half-Life 2: Episode Two) Set the system date to October 31. After you are ambushed by Hunters and Combine at a big house, drive along the road. Near where the supply cache is found you will see an old truck. Go up to it. There will be lots of pumpkins lying on the ground.
Cheat mode (Half-Life 2) You can use one of the following cheat codes during game play:
Code: | Result: | Triangle, Up, Triangle, Right, Triangle, Down, Triangle, Left, Triangle, Up | AA | Down(3), L1, Down(3), R1, Down(2) | Enemies do not target you | Triangle, Circle, X, Square, R1, Triangle, Square, X, Circle, R1 | Full ammunition (Gravity Gun) | L1, Up, R1, Up, L1(2), Up, R1(2), Up | Invincibility | L1, Down, R1, Down, L1(2), Down, R1(2), Down | Kill | Left(4), L1, Right(4), R1 | Level select | Up(3), L1, Up(3), R1, Up(2) | No Clipping mode | Up(2), Down(2), Left, Right, Left, Right, Circle, X | Restore health | L1(2), R1(2), L1, R1, L1, R1, Left, Right | Wireframe cycle |
Alternate title screen (Half-Life 2) Successfully complete Half-Life 2.
Box head pictures (Portal) 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 pictures of people with boxes for heads and hearts around them.
Faster construction (Team Fortress 2) As an engineer, do not wait for your building. Simply whack it with the wrench so that it builds faster. |