I finished it in a 3 days on the PS3, and that wasn't full time gaming. There might be some extra maps with this one. I'm not sure as I'm playing thru it again as it's been a while, plus the controls are a little different than the game pad. Hmm - wonder if I can use a game pad, will have to try that tonight.

If you've not see anything about Portal before, I suggest that you NOT look up any info about it as it could spoil the most excellent ending.

Portal is based on a student senior project, Narbacular Drop. Valve hired the entire student team.
https://www.digipen....s/NarbacularDrop/

Portal 2 is coming out at the end of the year
http://en.wikipedia.org/wiki/Portal_2