Portal 2 Concept Art
Portal 2 concept art is digital, print, drawn, or model artwork created by the official artists for the developer(s) and publishers of the title. This artwork is copyright the original artists and the publisher/developer.
Turret Inner workings
Chell seeing GLaDOS
- Theories and Spoilers 
- Portal turret models 
- who do you think is funnier, wheatley or glados. 
- Help? 
- Anyone wanna trade Fallout 3 GOTY for Portal 2 
- co op mode with 2 players on 1 machine 
- Portal 2 COOP :O 
- Secrets in Portal 2 (Spoilers) 
- Co-op partner needed for ps3 
- New Portal 2 Community CO-OP Map Video ! 
- If you had a Portal Gun in real life... 
- Is this game worth getting?