Mysteries of the Solar System...
. Who built the alien ruins on the Moon? Outer Wilds EU (without HR/RS/CH) Steam Altergift Answers await you in the most dangerous reaches of space. Outer Wilds is an open world mystery about a solar system trapped in an endless time loop. You're the newest recruit of Outer Wilds Ventures, a fledgling space program searching for answers in a strange, constantly evolving solar system.