Incredible. Valve have decided to offer Portal for free on Steam - for a limited time. The offer ends May 24th and I should stress this isn't a "free to play" promotion, but rather "free to own". They're effectively giving away one of the best games
This also marks the first time in three years that we've seen a life sign from GLaDOS -
Here's the announcement, brought to you by the Aperture Science Enrichment Center:
Watch out for the Black Mesa lower back tattoo and... what was that? Upcoming cooperative portal testing initiative? Co-op on Portal 2! Say it ain't so.
Portal is available right here on Steam. Where else, really.