Cubic Odyssey launched on Steam in mid-May as a new co-op 3D survivalcraft game that blends Minecraft with a space colony sim, FPS gunplay, and a Star Wars-like land speeders. There is currently a free Steam demo to try Cubic Odyssey before you buy. https://www.notebookcheck.net/Ambitious-new-open-world-survivalcraft-game-with-free-Steam-demo-is-like-space-Minecraft-with-intergalactic-pirates.1029819.0.html
Space Engineers has been out for YEARS. No mention.