Single-player games like OESE
Below are 10 single-player Steam games similar to OESE, 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 OESE page.
Ranked picks
- 1
Haul Yeah!
Single-player alternative to OESE — playable solo, no multiplayer required. Shares Indie and Simulation with OESE.
Haul Yeah! is a chill co-op space trucking game. Live aboard your ship, grow food, cook meals, deploy drones, repair hull systems, trade on a player-driven market, and haul resources across 15 star systems. Play solo or with up to 3 friends via Steam.
- 2
Wild Mars
Single-player alternative to OESE — playable solo, no multiplayer required. Shares Indie and Simulation with OESE.
A management simulator in which you must produce fuel from dangerous bacteria and algae in a laboratory on Mars. The bacteria can kill you. You have a few days to leave Mars, as a storm is coming. Manage the fuel that also powers the elevator and energy generators.
- 3
Astero
Single-player alternative to OESE — playable solo, no multiplayer required. Shares Indie and Simulation with OESE.
This game is about flying in space. You must destroy asteroids from the explosion of an object near the planet Jupiter. You will also encounter other extraterrestrial objects and even UFOs.
- 4
Nebulis Entity
Single-player alternative to OESE — playable solo, no multiplayer required. Shares Indie and Simulation with OESE.
Nebulis Entity is a first person spaceship crew simulator, with support for online co-op. Maintain your vessel, track down and decode alien signals, and venture as far as you can - while doing your best to prevent your ship from falling apart around you.
- 5
Galaversal Supremacy
Single-player alternative to OESE — playable solo, no multiplayer required. Shares Indie with OESE.
Choose your own adventure in this open-world humanity expansion space simulation. Travel beyond the constellations to new frontiers. Explore, collect resources, supply the expansion efforts, or go battle it out spaceshooter style. Do we seek Galaversal Supremacy or peace? You decide !
- 6
Belt Colony
Single-player alternative to OESE — playable solo, no multiplayer required. Shares Indie and Simulation with OESE.
The year is 2040. You, an ex-sergeant, have signed a contract with a large mining corporation in the Belt. Mine ore, build out your outpost, travel to nearby asteroids and collaborate with other belters.
- 7
Space Wars
Single-player alternative to OESE — playable solo, no multiplayer required. Shares Simulation with OESE.
Defend Earth's orbital station from alien invaders in SPACE WARS, a fast-paced arcade shooter. Customize your ship, upgrade weapons, and battle through intense levels to save humanity in this action-packed space adventure.
- 8
Actually Rocket Science
Single-player alternative to OESE — playable solo, no multiplayer required. Shares Indie and Simulation with OESE.
You and your friends are the crew of the world's cheapest space program, and you have to fly an actual rocket to moons and planets. Reach your destination using a wall of about four hundred switches and buttons. Then upgrade your ship and do it all over again, farther. It's only rocket science. How hard can it be?
- 9
Dead
Single-player alternative to OESE — playable solo, no multiplayer required. Shares Indie with OESE.
The universe wants you dead. Take on the ten great spirits of the universe in this intense boss fighting challenge!
- 10
Mini-Dead
Single-player alternative to OESE — playable solo, no multiplayer required. Shares Indie with OESE.
144 FPS boss battle action with a devilishly creative game mechanic.