Single-player games like HELLION
Below are 16 single-player Steam games similar to HELLION, 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 HELLION page.
Ranked picks
- 1
Osiris: New Dawn
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Action and Indie with HELLION.
Osiris: New Dawn is an unforgiving near future space survival game with a cinematic feel and elements of horror. Play as a Mission Specialist in single or multiplayer to build your planetary base, pilotable vehicles, and controllable drones as you explore a dangerous solar system far from Earth.
- 2
Empyrion - Galactic Survival
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Indie and Simulation with HELLION.
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
- 3
Interstellar Rift
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Action and Indie with HELLION.
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
- 4
Stationeers
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Action and Indie with HELLION.
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
- 5
Elite Dangerous
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Action and Simulation with HELLION.
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.
- 6
No Man's Sky
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Action with HELLION.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 7
Kerbal Space Program
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Indie and Simulation with HELLION.
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.
- 8
Hardspace: Shipbreaker
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Simulation with HELLION.
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
- 9
Tin Can
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Indie and Simulation with HELLION.
You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive?
- 10
Rebel Galaxy
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Action and Indie with HELLION.
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
- 11
Starfield
Single-player alternative to HELLION — playable solo, no multiplayer required.
Starfield is the first new universe in 25 years from Bethesda Game Studios, the award-winning creators of The Elder Scrolls V: Skyrim and Fallout 4.
- 12
Flight Of Nova
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Simulation with HELLION.
Flight of Nova is a simulator based on newtonian mechanics in which you control spacecraft in the Noren star system. You fly multiple types of spacecraft doing transport and search missions in an environment with realistic aerodynamics and orbital physics.
- 13
Space Engineers
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Action and Indie with HELLION.
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
- 14
Ostranauts
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Indie and Simulation with HELLION.
Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.
- 15
Barotrauma
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Action and Indie with HELLION.
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
- 16
Void Crew
Single-player alternative to HELLION — playable solo, no multiplayer required. Shares Action with HELLION.
Void Crew is a Chaotic, Co-op Roguelite game for 1 to 6 players: Outfit your spaceship and crew for thrilling quests, brave fierce enemies in Space Battles... and try not to panic!