Half-Life 2 - The Orange Box

Half-Life 2: Restore health:
----------------------------
Press Up(2), Down(2), Left, Right, Left, Right, B, A during game play
to regain 25 points of health.

Half-Life 2: Full ammunition:
-----------------------------
Press Y, B, A, X, RB, Y, X, A, B, RB during game play.

Portal: Create box:
-------------------
Press Down, B, A, B, Y, Down, B, A, B, Y during game play.

Portal: Fire energy ball:
-------------------------
Press Up, Y(2), X(2), A(2), B(2), Up during game play.

Portal: Fire rocket projectile:
-------------------------------
Press Up, Y(2), B(2), A(2), X(2), Up during game play.

Portal: Portalgun ID 0:
-----------------------
Press Up, Left, Down, Right, Up, Left, Down, Right, Y(2) during game play.

Portal: Portalgun ID 1:
-----------------------
Press Up, Left, Down, Right, Up, Left, Down, Right, X(2) during game play.

Portal: Portalgun ID 2:
-----------------------
Press Up, Left, Down, Right, Up, Left, Down, Right, A(2) during game play.

Portal: Portalgun ID 3:
-----------------------
Press Up, Left, Down, Right, Up, Left, Down, Right, B(2) during game play.

Portal: Portal placement anywhere:
----------------------------------
Press Y, A, B, A, B, Y(2), A, Left, Right during game play.

Portal: Upgrade Portalgun:
--------------------------
Press X, B, LB, RB, Left, Right, LB, RB, LT, RT during game play.