Pre-Purchase OfferPre Purchase now to receive the Digital Deluxe edition, featuring the game as well as: The Original Soundtrack. Be immersed in the beautiful and deadly world of Planet Alpha with the Planet Alpha Original Soundtrack. Featuring all 40 tracks in Planet Alpha by Composer Sid Barnhoorn. Digital Artbook. The Planet Alpha Digital Artbook includes concept art and illustrations that helped to create the stunning world of Planet Alpha as well as screenshots and other artwork from the ga...