At the main menu, press simultaneously on the button and set the fire button repeatedly. After 5 times, you should be able to get up from your seat and access the terminal that is behind you. Then enter the following codes.
3ARC INTEL
View all information
3ARC UNLOCK
Dead Ops unlock Arcade mode and Presidential Zombie
alicia
Play Alicia (virtual therapist)
cat
Open the audio / image (eg CAT NoteX.txt)
decode
CIA decode data
dir
View a list of audio / image
DOA
Play Dead Ops Arcade
encodes
CIA encode data
foobar
Display "Fee Fie Foe Foo!" the terminal
Hello Sailor
Play Zork
help
Show Help
login
Open a new session
ls
Show current directory
mail
Open the mail directory
print
Print or display the contents of a file
TYPE Nom_fichier.extension "
View File
Who
See a list of login names for use with RLOGIN
zork
Play Zork