Single-player games like Solar 2
Below are 8 single-player Steam games similar to Solar 2, 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 Solar 2 page.
Ranked picks
- 1
Universe Sandbox
Single-player alternative to Solar 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Solar 2.
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.
- 2
From Dust
Single-player alternative to Solar 2 — playable solo, no multiplayer required. Shares Adventure and Simulation with Solar 2.
Immerse yourself in a world as exotically beautiful as it is dangerous in this modern God-Game where Nature is the Star!
- 3
Starbound
Single-player alternative to Solar 2 — playable solo, no multiplayer required. Shares Action and Indie with Solar 2.
You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...
- 4
SPORE™
Single-player alternative to Solar 2 — playable solo, no multiplayer required. Shares Action and Adventure with Solar 2.
Be the architect of your own universe with Spore, an exciting single-player adventure. From Single Cell to Galactic God, evolve your creature in a universe of your own creations.
- 5
Terra Firma 2
Single-player alternative to Solar 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Solar 2.
Shape breathtaking worlds in Terra Firma 2, a vast simulation where your creations evolve through the forces of nature. Sculpt the land, then watch as weather, erosion, and life itself transform your world into a dynamic, living ecosystem- right down to every plant and creature.
- 6
Kerbal Space Program
Single-player alternative to Solar 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Solar 2.
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
- 7
No Man's Sky
Single-player alternative to Solar 2 — playable solo, no multiplayer required. Shares Action and Adventure with Solar 2.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 8
Grow Home
Single-player alternative to Solar 2 — playable solo, no multiplayer required. Shares Indie and Adventure with Solar 2.
Experience the freedom of unbounded climbing as you take control of BUD, a procedurally animated robot on a quest to save his planet. Create your own path through an alien world as you control and ride a giant plant on a vertical journey to the stars.