
Portal used to cost money. Until May 24th, it's free. End of story.
(url) [store.steampowered.com]
On the off-chance that you don't already own this or the Orange Box already, now is your chance.
Get it while it's hot.
Quote: http://en.wikipedia.org/wiki/Portal_(video_game) The game consists primarily of a series of puzzles that must be solved by teleporting the player's character and simple objects using the "portal gun", a unit that can create inter-spatial portals between flat planes. The player character is challenged by an AI named "GLaDOS" to complete each puzzle in the "Aperture Science Computer-Aided Enrichment Center" using the portal gun with the promise of receiving cake when all the puzzles are completed.
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