Single-player games like Mars Odyssey
Below are 15 single-player Steam games similar to Mars Odyssey, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Mars Odyssey page.
Ranked picks
- 1
OVERVIEW (A Walk Through The Universe)
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required. Shares Simulation with Mars Odyssey.
Overview is a mind-changing experience about our position in the Universe. With a narrative and an interactive mode, it features realistic imagery and accurate data to leave you in awe and wonder at the vastness of the Cosmos.
- 2
Surviving Mars: Pioneer
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required. Shares Simulation with Mars Odyssey.
The Red Planet is vast, desolate, and utterly indifferent to your survival. Surviving Mars: Pioneer is the first made-for-VR entry in the Surviving Mars universe, challenging you to carve out an existence in one of the most hostile environments imaginable.
- 3
Mars 2030
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required. Shares Simulation with Mars Odyssey.
MARS 2030 is a virtual reality simulation where players explore the Red Planet and make discoveries across 40 square kilometers of open Martian terrain, accurately-mapped and -modeled using NASA satellite data. Produced in collaboration with NASA.
- 4
Inside The Cubes
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required. Shares Simulation with Mars Odyssey.
ITC is the story of Andy who is kidnapped by Tisafolians. Andy is put into a station, in where there is no gravity, to be tested some skills that are observation, analytical intelligence, eye hand coordination, weakness, etc. Your choices matter and change the end of the game.
- 5
PlanetariumVR
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required. Shares Simulation with Mars Odyssey.
Planetarium for VR to learn about the stars, constellations, and deep sky objects from the Messier, Caldwell, Herschel400, NGC, IC, Sharpless, and Arp catalogs. Learn the positions of stars and the Messier objects; play the minesweeper in VR in a polyhedron.
- 6
Solar System VR
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required. Shares Simulation with Mars Odyssey.
An educational virtual reality journey through space. Be the first space tourist in history and explore planets and moons in our Solar System like never before. You can experience a journey to the Earth's moon, explore Mars, and even see the surface of Enceladus, one of Saturn's moons.
- 7
Far Beyond: A space odyssey VR
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required. Shares Simulation with Mars Odyssey.
Far Beyond: A space odyssey VR is the first hardcore Rogue-like in Virtual Reality with a Sci-fi atmosphere and AAA graphics. It features a hard but rich gameplay focused on resources management, craft and strategy.
- 8
Five Nights at Freddy's: Security Breach
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required.
In Five Nights at Freddy’s: Security Breach, play as Gregory, a young boy who’s been trapped overnight inside of Freddy Fazbear’s Mega Pizzaplex. With the help of Freddy himself, Gregory must uncover the secrets of the Pizzaplex, learn the truth, and survive until dawn.
- 9
FIVE NIGHTS AT FREDDY'S: HELP WANTED
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required.
Five Nights at Freddy’s: Help Wanted is a collection of classic and original mini-games set in the Five Nights universe. Experience the horror in flat (non-VR) mode or VR. Oculus Rift and HTC Vive are supported. A VR Headset is NOT required to play.
- 10
Five Nights at Freddy's: Secret of the Mimic
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required.
Enter the abandoned workshop of Murray’s Costume Manor and unravel the mystery left behind by the reclusive inventor. In Five Nights at Freddy’s: Secret of the Mimic, you’ll step into a world where every dark corner holds a secret and every flicker of light hints at an ever-present threat.
- 11
Five Nights at Freddy's: Help Wanted 2
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required. Shares Simulation with Mars Odyssey.
Five Nights at Freddy’s: Help Wanted 2 is the sequel to the terrifying VR experience that brought new life to the iconic horror franchise. As a brand new Fazbear employee you’ll have to prove you have what it takes to excel in all aspects of Pizzeria management and maintenance.
- 12
Hello Neighbor VR: Search and Rescue
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required.
A suspenseful family-friendly VR experience set in the Hello Neighbor Universe.
- 13
Quar: Battle for Gate 18
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required.
Quar: Battle for Gate 18 is a turn-based strategic VR game set in the grimsical world of Alwyd. The Quar are cute alien ant-eaters. Don't mistake cute for gentle. They use their WW1 level technology to wage war across the face of their world.
- 14
Bounce
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required.
Bounce is a VR physics-based puzzle game for HTC Vive and Oculus Touch. Players are tasked with helping their playful robot companion, D1G-B, bounce, sling, shoot, and roll his way through an increasingly complex labyrinth of rooms on a galactic spaceship making his way to his final destination.
- 15
The Horus Heresy: Betrayal at Calth
Single-player alternative to Mars Odyssey — playable solo, no multiplayer required.
The Horus Heresy: Betrayal at Calth is a turn-based combat epic set during the origin era of Warhammer 40k. Play on either PC or VR, as the game will detect your platform choice. Take command of Ultramarines as they battle against their traitorous brethren, the Word Bearers. VR HEADSET NOT REQUIRED.