Single-player games like Titans of Space PLUS
Below are 8 single-player Steam games similar to Titans of Space PLUS, 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 Titans of Space PLUS page.
Ranked picks
- 1

Astro VR
Single-player alternative to Titans of Space PLUS — playable solo, no multiplayer required. Shares Indie and Simulation with Titans of Space PLUS.
Freely travel among the stars and planets in this made for VR astronomy simulation. Experience space from some of the smallest solar system bodies to our largest planets. Or leave the solar system to explore strange new worlds orbiting stars so distant it takes light thousands of years to get here.
- 2

Orders of Magnitude
Single-player alternative to Titans of Space PLUS — playable solo, no multiplayer required. Shares Indie and Simulation with Titans of Space PLUS.
Have you ever wondered what the whole Universe looks like? With the myriad Galaxies, each containing billions of Stars, including our Solar System? Have you seen a Human Brain and its Neurons? DNA? What about the Electrons surrounding the tiny Atomic Nucleus? And what lies at even smaller scales?
- 3

The Solus Project
Single-player alternative to Titans of Space PLUS — playable solo, no multiplayer required. Shares Indie and Adventure with Titans of Space PLUS.
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...
- 4

Apollo 11 VR
Single-player alternative to Titans of Space PLUS — playable solo, no multiplayer required. Shares Adventure and Simulation with Titans of Space PLUS.
Apollo 11 VR is the story of the greatest journey ever taken by humankind. This VR experience is a recreation of the events which took place between July 16th and July 24th 1969. Now for the first time ever you get to experience this historic event through the eyes of those who lived through it.
- 5

P·O·L·L·E·N
Single-player alternative to Titans of Space PLUS — playable solo, no multiplayer required. Shares Indie and Adventure with Titans of Space PLUS.
P·O·L·L·E·N is an atmospheric, suspenseful and highly interactive first person sci-fi exploration game set on Saturn’s moon Titan. Delve into the richly detailed Station M, and try everything you can get your hands on to uncover the mysteries that lie beneath the moon’s crust.
- 6

OVERVIEW (A Walk Through The Universe)
Single-player alternative to Titans of Space PLUS — playable solo, no multiplayer required. Shares Indie and Simulation with Titans of Space PLUS.
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.
- 7

ADR1FT
Single-player alternative to Titans of Space PLUS — playable solo, no multiplayer required. Shares Indie and Adventure with Titans of Space PLUS.
ADR1FT is the story of an astronaut who wakes up floating silently in space amongst the debris of destroyed space station…the only survivor of a catastrophic event, left with no memory, a critically damaged EVA suit leaking oxygen and no way home.
- 8

Britannic: Patroness of the Mediterranean
Single-player alternative to Titans of Space PLUS — playable solo, no multiplayer required. Shares Indie and Simulation with Titans of Space PLUS.
Explore the Britannic, sister ship of the infamous Titanic, and relive her tragic sinking after striking a mine in the First World War.