Collection
Tor: Collection
Tor: Collection
Retail
Retail (Limited edition), Steam
Retail (4 CD version), Steam
GOG
GOG
Retail (DVD-ROM version)
Retail (Collector's edition), Steam
Retail (Remastered version)
Steam
Retail
GOG
Telltale
Telltale
Telltale
Telltale
Steam
Steam
Greenhouse
Greenhouse
Greenhouse
Retail, Steam
Steam
Steam
Steam
Steam
Steam
Steam
GOG
GOG
GOG
GOG
GOG
GOG
Steam