CAT Interstellar is described as 'Play as a DOG V4 drone, a newly activated maintenance bot who is assisting in the terraforming effort on Mars. After a predictable yet unfortunate accident DOG finds himself uncovering the past of a seemingly barren planet'. There are three games similar to CAT Interstellar for a variety of platforms, including Steam, Windows, HTC Vive, Oculus Rift and OSVR. The best alternative is The Solus Project. Other CAT Interstellar like games are Lifeless Planet (Paid) and ADR1FT (Paid).
The Solus Project is a single player exploration adventure with survival elements. The adventure is set on a mysterious planet and is the spiritual successor to The Ball - 2010 PC Gamer Action/Adventure Game Of The Year.
While seeking life on a distant planet, an astronaut discovers an abandoned Russian town. He suspects his mission is a hoax until a mysterious young woman saves him from a strange and deadly phenomenon.
ADR1FT is an immersive VR experience in zero gravity space. You're a lone survivor navigating the wreckage of a space station with no memory. Stay alive by exploring, seeking resources to repair your damaged EEV.