Release dates, publisher and developer information for this game listed by platform:

Macintosh

Distributed by
Valve Corporation
Country
Worldwide flag Worldwide
Release Date
Oct 19, 2011
Comments
Steam release
Distributed by
Apple Inc.
Country
Worldwide flag Worldwide
Release Date
Dec 06, 2011
Comments
Mac App Store release


Release dates and company information contributed by Sciere (510981) and LepricahnsGold (128281)