http://www.pcgamer.com/get-a-free-steam-key-for-weird-worlds-with-bundle-stars/

Space exploration, adventure and starship combat" is the alluring combination of elements promised by Weird Worlds, a game that lets you explore the mysterious "Purple Zone" and enjoy a bite-sized, randomly generated space opera every time you play. We've got a big bucket full of Steam keys to give away today with Bundle Stars.