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
3ARC INTEL	View all intel.
3ARC UNLOCK	Unlock Dead Ops Arcade and Presidential Zombie mode.
ALICIA	Alicia virtual therapist game.
CAT or PRINT<filename>	Open corresponding file.
DECODE	Decode a string using the CIA's cipher.
DIR or LS	Display contents of the current directory.
DIR	List audio files and pictures for use with CAT command.
DOA	Zombie killing mini-game similar to Smash TV. Use the Left Analog-stick to move and the Right Analog-stick to shoot.
ENCODE	Encode a string using the CIA's cipher.
FOOBAR	Displays "Fee Fie Foe Foo!"
HELP	List commands.
LOGIN	Attempt a new session with a corresponding username and password
MAIL	Open the mail folder for the current user.
WHO	List of login names for use with the RLOGIN command (requires passwords).
ZORK or HELLO SAILOR	Zork: The Great Underground Empire text adventure game.