Unlock Levels and Creating a Cube (Portal)
At any stage during gameplay enter these codes to enable the effect you want.
Unlock ALL Levels:
Press Left (x4), L1, Right (x4), R1.
Create a Cube:
Press Down, O, X, O, Triangle, Down, O, X, O, Triangle.
If you need more help, we've got more The Orange Box cheats and also check out all of the answers for this game
Comments for this cheat