The real portal is FREE until May 24th! "Portal used to cost money. Until May 24th, it's free. End of story." http://store.steampowered.com/freeportal/ Being given away by the developers until May 24th to celebrate Steam going to the Mac!
*TO EVERYONE THAT THINKS THIS IS STOLEN* This is not stolen, this is what they made BEFORE they came out with the MMO. Same creators, same style, just old.
 "Dead Frontier: Outbreak 2"){kind=icon}
 "Portal: The Flash Version"){kind=icon}
 "Mushroom Madness 2"){kind=icon}
 "Dead Frontier - Night One"){kind=icon}
 "The Line Game: Orange Edition"){kind=icon}