Altitude - Free Weekend and 50% off

Announcement - Valve
Jul 21, 2011
Kick off the weekend by playing Altitude for free starting now through Sunday at 1pm PDT.

But why stop there? Make it yours permanently at 50% off the regular price. Sale ends on Monday, July 25th.

If you already have Steam installed you can click here to install or play. If you don't have Steam, you can download it here.


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