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

Windows

Distributed by
Valve Corporation
Country
Worldwide flag Worldwide
Release Date
Aug 16, 2011
Comments
Steam release
Distributed by
GOG Limited
Country
Worldwide flag Worldwide
Release Date
Feb 12, 2015
Comments
GOG.com release


Release dates and company information contributed by Herzalot . (309) and Kam1Kaz3NL77 (43852)