The final version of Estranged: Act I, the same as the version on Steam. Requires the Source SDK Base 2013 Singleplayer to play.
To play Estranged: Act I, you need to install the Source SDK Base 2013 Singleplayer on Steam.
IMPORTANT: This mod supports VR, however to use it you need to opt-in to the "upcoming" beta of the Source SDK 2013 Singleplayer.
You can do this by right clicking on it in Steam, selecting Properties, clicking on the Betas tab, and changing the dropdown box to "upcoming".
This mod is also available as a standalone game on Steam: Store.steampowered.com
Updated 26/04/14: Incorporated all changes from the Steam build. Includes everything up to revision 3144: Estrangedlog.alanedwardes.com