The Orange Box Cheats

(Half-Life 2) Codes
Enter the code while playing Half Life 2. No specific requirements other then the game. Can be entered at any time on any level.

[Up] [Up] [Down] [Down] [Left] [Right] [Left] [Right] [O Button] [X Button]: Restore Health By 25 Points
[Triangle], [O], [X], [Square], [RI], [Triangle], [Square], [X], [O], [RI]: Restores ammo for current weapon

(Portal) Codes
Enter the codes at any time during game play:

[Down], [O], [X], [O], [Triangle], [Down], [O], [X], [O], [Triangle]: Create A Cube
[Left], [Left], [Left], [Left], [L1], [Right], [Right], [Right], [Right], [R1]: Unlock All Levels

Different Portal Main Menu
Once you beat portal one time, a different background for the menu is used to commemorate your accomplishment.

Different Half-Life 2 Main Menu
Beat the game once to get a new title screen for Half-Life 2.

Half-Life 2: Episode 1 and 2
As you progress through the game and get to new chapters, the title screen changes to show where you are in the game.