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

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.
- 2

SpaceEngine
Single-player alternative to Titans of Space PLUS — playable solo, no multiplayer required. Shares Indie and Simulation with Titans of Space PLUS.
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
- 3

Solar System VR
Single-player alternative to Titans of Space PLUS — playable solo, no multiplayer required. Shares Indie and Adventure with Titans of Space PLUS.
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.
- 4

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...
- 5

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?
- 6

Elite Dangerous
Single-player alternative to Titans of Space PLUS — playable solo, no multiplayer required. Shares Adventure and Simulation with Titans of Space PLUS.
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
- 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

Universe Sandbox
Single-player alternative to Titans of Space PLUS — playable solo, no multiplayer required. Shares Indie and Simulation with Titans of Space PLUS.
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.