Single-player games like Space Planet Explorer
Below are 11 single-player Steam games similar to Space Planet Explorer, 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 Space Planet Explorer page.
Ranked picks
- 1
Celestial Golf
Single-player alternative to Space Planet Explorer — playable solo, no multiplayer required. Shares Strategy and Indie with Space Planet Explorer.
It’s 2D golf on an astronomical scale. Bite-sized missions will teach you the techniques of real space flight, without having to worry about fuel or crew. Precisely plan orbital trajectories over the moons of Mars, through the rings of Saturn, and boldly go where no golf ball has gone before.
- 2
Astrobound
Single-player alternative to Space Planet Explorer — playable solo, no multiplayer required. Shares Strategy and Adventure with Space Planet Explorer.
Survive and explore space in Astrobound! Visit strange planets, encounter cosmic calamities, and keep your crew alive as you journey through the stars in a retro-inspired whimsical space adventure.
- 3
Soyuz Constructors
Single-player alternative to Space Planet Explorer — playable solo, no multiplayer required. Shares Indie and Simulation with Space Planet Explorer.
Become a pioneer of spaceflight. As an engineer in the Soviet Space Program you will be responsible for repairing, fixing and building the iconic spacecraft and rockets from the R-7 family.
- 4
Starwake
Single-player alternative to Space Planet Explorer — playable solo, no multiplayer required. Shares Strategy and Adventure with Space Planet Explorer.
Command a starship through a dangerous, procedurally generated galaxy in this fast-paced roguelike where every pinball shot can mean the difference between victory and destruction.
- 5
Galactic Simulator2: Stargate
Single-player alternative to Space Planet Explorer — playable solo, no multiplayer required. Shares Strategy and Indie with Space Planet Explorer.
Galactic Simulator 2: Stargate is a roguelite simulation game inspired by the Fermi Paradox and the Great Filter. Pilot your ship, gather resources, build stargates, and discover other civilizations as you explore an ever-evolving galaxy.
- 6
Void Salvage
Single-player alternative to Space Planet Explorer — playable solo, no multiplayer required. Shares Strategy and Indie with Space Planet Explorer.
Salvage derelicts, fight off bad guys, upgrade your ship, and make good or bad choices. The game starts difficult, but eventually you'll be able to sit back and watch your ship destroy everything.
- 7
Voyager 2
Single-player alternative to Space Planet Explorer — playable solo, no multiplayer required. Shares Strategy and Indie with Space Planet Explorer.
Launch the Voyager space probe to the furthest depths of the Solar System! Use gravity to slingshot around planets and scan, orbit, or land on targets to earn stunning replays of your accomplishments.
- 8
Kerbal Space Program
Single-player alternative to Space Planet Explorer — playable solo, no multiplayer required. Shares Indie and Simulation with Space Planet Explorer.
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.
- 9
Biosphere Simulator
Single-player alternative to Space Planet Explorer — playable solo, no multiplayer required. Shares Strategy and Indie with Space Planet Explorer.
Biosphere Simulator is a planetary god game sandbox where you guide a dead volcanic world through billions of years of evolution. Seed life, shape ecosystems, unleash cataclysms, and watch civilizations rise from primordial microbes to spacefaring societies.
- 10
Cozy Airways
Single-player alternative to Space Planet Explorer — playable solo, no multiplayer required. Shares Strategy and Indie with Space Planet Explorer.
An airline tycoon with the stress taken out. Open routes across a storybook world, look after passengers who each have a story of their own, decorate a lounge worth waiting in, and grow one little plane into a global airline — at whatever pace feels good.
- 11
The Rug Racket
Single-player alternative to Space Planet Explorer — playable solo, no multiplayer required. Shares Strategy and Indie with Space Planet Explorer.
Inherit a rundown rug-cleaning shop and master a satisfying craft. Dust, wash, rinse and revive rugs one stain at a time. Build a reputation, keep the lights on, and squirm out from under the mob family that owns your debt. Every rug's a small win, and every tribute payment says you're not free yet.