These codes can be entered while in Portal. Enter the codes during game play.

Code	Effect
Down, B, A, B, Y, Down, B, A, B, Y	Create Box
Up, Y, Y, X, X, A, A, B, B, Up	Fire Energy Ball
Up, Y, Y, B, B, A, A, X, X, Up	Fire Rocket Projectile
Y, A, B, A, B, Y, Y, A, Left, Right	Portal Placement Anywhere
Up, Left, Down, Right, Up, Left, Down, Right, Y, Y	Portalgun ID 0
Up, Left, Down, Right, Up, Left, Down, Right, X, X	Portalgun ID 1
Up, Left, Down, Right, Up, Left, Down, Right, A,A	Portalgun ID 2
Up, Left, Down, Right, Up, Left, Down, Right, B, B	Portalgun ID 3
X, B, LB, RB, Left, Right, LB, RB, LT, RT	Upgrade Portalgun