Use the Right Analog-stick at the title screen to look down at your hand when you are locked up. Repeatedly press LT + RT to escape from the chair. Move around the lab and find a computer. Type in the following commands to activate the corresponding feature.
| Command | Feature
|
|---|
| DOA | Zombie killing mini-game similar to Smash TV. Use the Left Analog-stick to move and the Right Analog-stick to shoot.
|
| 3ARC INTEL | View all intel (disables "Closer Analysis" trophy).
|
| 3ARC UNLOCK | Unlock Dead Ops Arcade and Presidential Zombie mode.
|
| ZORK | Zork: The Great Underground Empire text adventure game.
|
| DIR | List audio files and pictures for use with CAT command.
|
| CAT filename | Open corresponding file.
|
| WHO | List of login names for use with the RLOGIN command (requires passwords).
|
| HELP | List commands.
|
