Valve, the same maker of Left 4 Dead.
I have tried and I couldn't get them to fit. :( So, I don't think so.
zero was invented by aryabhatt
It wasn't invented, it just was!
there were 30 Concorde's invented 2 which crashed
Brookman
1) Hepatic Portal Vein 2) Renal Portal System 3) Hypothalamic-Hypophyseal Portal System not so sure about number 2 :P
it took me about 9 hours, but i have played portal 1.
No
he goes crazy, alot like GLaDOS in portal 1
1. Dreamworld 2, Portal 2, in left, in left. 2. Dreamworld 2, Portal 1, forward, forward, forward (Silver Key) and go to the end. 3. Dreamworld 2, Portal 1, forward, forward, in right, in right, in right. Sorry for my English, I'm Polish :)
His butt got hurt because he didn't marry Chell
Unfortunately, no. Although you can download apps that give you walkthroughs, tips, etc.
Nick Botnas
They don't make it(yet).
Aperture RandD - 2013 Portal Gun Enhancements 1-2 was released on: USA: 22 March 2013
for ps3 portal 2 has 51 trophies 0 secret, 42 bronze, 5 silver, 3 gold, and 1 platinum
In Portal 1 people say that Caroline hasn't had her mind put in but she kills everyone in the facility (Aperture Laboratories) so it is not that. So can you figure it out?