Open Doors:
On the level 1, Isolation, when you open the elevator, the mirrors show the elevator as being closed, but its doors are still open behind you.

Earth Impact Mini Game:
On level 8, Reliance, go into the games room to find a fully-operational Earth Impact mini game. Once this has been done, the game will be able to be accessed on the Applications sub-menu when you pause the game.

Online Chatroom:
On level 3, Experimentation, on the PC where you killed the security guard outside the elevator, open the 'Front Desk' applications folder on the desktop. Then, select HyperChat. You will then be able to see what the Guard has been up to, as well as that the person who the guard was talking to continues talking and gets more worried as he does not reply.

Free Radical Reference:
On level 13, Conspiracy, watch the video file you made and check the email on the PC. A new comedy file will download and tell you about Free Radicals official website, www.frd.co.uk. Keep logging on for more messages.

X-space '92 Mini Game:
On level 6, Madness, use a computer disk found in the level on a PC to play the X-Space '92 mini game. Once this has been done, the game will be able to be accessed on the 'Applications' sub-menu when you pause game play.

Credits:
In Starke's apartment change the channel on his TV to see the game credits.