Single-player games like No Man's Sky
Below are 19 single-player Steam games similar to No Man's Sky, 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 No Man's Sky page.
Ranked picks
- 1
Satisfactory
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Adventure with No Man's Sky.
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
- 2
Subnautica
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Adventure with No Man's Sky.
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
- 3
ASTRONEER
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Adventure with No Man's Sky.
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
- 4
Terraria
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Action and Adventure with No Man's Sky.
Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!
- 5
Valheim
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Action and Adventure with No Man's Sky.
A collaborative exploration and survival game for 1-10 players, set in a procedurally generated afterlife inspired by Viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage!
- 6
The Planet Crafter
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Adventure with No Man's Sky.
A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.
- 7
Space Engineers
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Action with No Man's Sky.
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.
- 8
Elite Dangerous
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Action and Adventure with No Man's Sky.
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.
- 9
Starfield
Single-player alternative to No Man's Sky — 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.
- 10
Outer Wilds
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Action and Adventure with No Man's Sky.
Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop.
- 11
Empyrion - Galactic Survival
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Adventure with No Man's Sky.
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!
- 12
Kerbal Space Program
Single-player alternative to No Man's Sky — playable solo, no multiplayer required.
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.
- 13
Grounded
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Action and Adventure with No Man's Sky.
The world is a vast, beautiful and dangerous place – especially when you have been shrunk to the size of an ant. Can you thrive alongside the hordes of giant insects, fighting to survive the perils of the backyard?
- 14
Mass Effect (2007)
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Action with No Man's Sky.
As Commander Shepard, you lead an elite squad on a heroic, action-packed adventure throughout the galaxy.
- 15
Starbound
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Action and Adventure with No Man's Sky.
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...
- 16
Realms of Magic
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Action and Adventure with No Man's Sky.
Embark on a journey through the Old Kingdom in Realms of Magic - a sandbox RPG where you customize your character, choose your path, and immerse yourself in the fantasy world as a knight, wizard, miner, lumberjack, farmer, and more. After all, this is YOUR adventure.
- 17
The Last Campfire
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Adventure with No Man's Sky.
The Last Campfire is an adventure, a story of a lost ember trapped in a puzzling place, searching for meaning and a way home.
- 18
Joe Danger
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Action with No Man's Sky.
Can you put the world’s most determined stuntman back into the limelight? Combo, boost and pull ludicrous stunts as Joe attempts to race his way back into the record books in over 100 eye-popping levels. Leap school buses full of screaming kids and pools of ravenous sharks! Dodge spikes and mousetraps!
- 19
Joe Danger 2: The Movie
Single-player alternative to No Man's Sky — playable solo, no multiplayer required. Shares Action with No Man's Sky.
Joe Danger, the world’s most determined stuntman, returns to embark on a death-defying thrill-ride across the set of the greatest blockbuster movie ever made. Across 100 crazy levels he’ll chase crooks by police bike, destroy laser-firing robots with a stolen jetpack, escape giant boulders in a minecart, time-travel to punch dinosaurs...