image: portal

Companion Cube :
image: portal

Trailer :
Click

Ending song :
Click

funny review thx to Austria hal :
Click

Too easy? Try this :
:D

bugs/glitches/easter eggs
Bug @ 1:48
easter egg
Companion Cube easter egg

custom maps :
Site #1
Site #2
Site #3


Now your thinking with portals

pm Krato or hal if you wanna join!
we are thinking with portals!
Contact information

http://www.portalmaps.net/, #portal