This game is still either in Early-Alpha or Beta (or any status in between) but IS already available for sale / early access, so CAN BE PLAYED.
The Solus Project is a survival adventure game, in which the player controls an astronaut on a mission to save mankind. His spacecraft crashes on an uncharted planet, Gliese-6143-C. He has to survive on the planet and faces factors such as hunger level, thirst, body temperature or weather conditions. The player explores the planet full of temples and other interesting places.