2011, feb. and now its the following:
It will be on Mac the day Portal 2 is released.
It just did get released.
No Portal 2 is for PC, Xbox 360 and PS3.
Portal - 2002 Portal 2-21 was released on: USA: 18 November 2003
It just did get released.
No, Chell is released unharmed at the end of Portal 2.
Yes. Very yes. Portal was released as part of the Orange Box in 2007 and on steam. Portal 2 was released earlier in 2011.
Yes. It was released in April 2011.
The price for Portal 2 has not yet been released, but you can expect it to be £49.99 - £39.99; the same as most games.
Sage Reviews - 2008 Portal 2 4-13 was released on: USA: 2 May 2011
Aperture RandD - 2013 Portal Gun Enhancements 1-2 was released on: USA: 22 March 2013
Portal or Portal 2 mods on Steam is installed by first Downloading it and extracting it. Then copy the map file into your Portal 2 maps folder which is Run the game.