Penumbra - Black Plague
 
Bonus material:
---------------
Complete the game with all ten secret artifacts collected to get the
password "xor451". Run the "super_secret.exe" file in the game's 
nstallation directory and enter xor451 for the password when prompted 
to view concept art, desktop backgrounds, and a video.


Space shooter mini-game:
------------------------
During game play, access Swanson's computer and run the program 
"schmup.exe". Enter xor451 as a password to play a space shooter 
mini-game.


Hiding from the zombie:
-----------------------
If you put alot of stuff over each other and make a sort of wall the 
zombie wont be able to find you.


Blocking:
---------
You can put stuff in the door like a box and the zombie wont be able to
go through if you wait a little it should leave.