Users searching for a "free download full version" of "Alone in Space" on PC will find distinct, safe options via Steam and Itch.io, including a 3D thriller by Butterflyware and a free 2D indie title by RetroVem. While the 2016 3D game is a paid title, multiple free, safe versions exist, including a short, 30-minute 2D sci-fi adventure. For safe access to these games, visit Steam Store . Alone in Space (by RetroVem) on Steam