Games like Ostranauts on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Ostranauts are available at the bottom of the page.
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Wayward Terran Frontier: Zero Falls
2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.
ΔV: Rings of Saturn
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.
Star Shelter
Star shelter is a space survival game built from the ground up for VR. You are stranded in space, you must climb around in Zero-G, explore, scavenge, craft, hack and fight to survive. You have to build, arm and upgrade your own space station in order to escape the cosmic graveyard.
Star Valor
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.
Flight Of Nova
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.
Endless Sky
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.
Mars: War Logs
An Intense Cyberpunk Rpg On the Red Planet! Mars War Logs takes you to Mars, nearly a century after the cataclysm that threw the planet and its colonists into chaos. Water has become the most precious resource on the arid red planet, with a few companies fighting a perpetual war for its control.
Wayward
You awake to discover yourself no longer in the company of good men or a fine seafaring vessel. Treasure... you remember something about treasure. Wayward is a challenging turn-based, top-down, wilderness survival roguelike. Explore, build, and most importantly survive in these unforgiving lands.
Big Ambitions
Big Ambitions is a revolutionary role-playing business sim. Go from nothing to the biggest entrepreneur in New York by opening small businesses or slowly building huge corporations any way you like.
Between the Stars
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Escape The Pacific
Raw, real survival in the Pacific. Build a modular floating base. Master realistic sailing mechanics. Face challenging Pacific-like weather & seasons. Hunt, craft, build & navigate using Sun Dial, Sextant & Triangulation. Explore an endless island cluster-based world. Simulate real life scenarios!
StarMade
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
Space Trash Scavenger
Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.
Spaceflight Simulator
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Hardspace: Shipbreaker
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!
SpaceEngine
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
No Man's Sky
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
Space Pirates and Zombies
Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.
3030 Deathwar Redux - A Space Odyssey
3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.Most played games like Ostranauts on Steam
Take a look at the top games like Ostranauts that are currently attracting the largest player bases on the Steam platform, as of April 19th 2025.
1. No Man's Sky
Similarity 51% No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe. No Man's Sky is a open world, open world survival craft and space game developed and published by Hello Games. Released on August 12th 2016 has received 349,909 reviews of which 290,482 were positive and 59,427 were negative resulting in a rating of 8.2 out of 10. The game has hit the top spot as the #1 most played game like Ostranauts, thanks to its 9,228 peak concurrent players over the last day.
8.2
290,482
59,427
9,228
players
2. Big Ambitions
Similarity 52% Big Ambitions is a revolutionary role-playing business sim. Go from nothing to the biggest entrepreneur in New York by opening small businesses or slowly building huge corporations any way you like. Big Ambitions is a early access, management and economy game developed and published by Hovgaard Games. Released on March 10th 2023 has received 10,428 reviews of which 9,700 were positive and 728 were negative resulting in an impressive rating of 9.0 out of 10. While seeing 424 players online at once in the last 24 hours, this game is currently ranked #2 among games like Ostranauts based on player count.
9.0
9,700
728
424
players
3. Hardspace: Shipbreaker
Similarity 51% 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! Hardspace: Shipbreaker is a space, sci-fi and simulation game developed by Blackbird Interactive and published by Focus Entertainment. Released on May 24th 2022 has received 20,251 reviews of which 18,123 were positive and 2,128 were negative resulting in a rating of 8.8 out of 10. While seeing 320 players online at once in the last 24 hours, this game is currently ranked #3 among games like Ostranauts based on player count.
8.8
18,123
2,128
320
players
4. SpaceEngine
Similarity 51% The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas. SpaceEngine is a early access, open world and casual game developed and published by Cosmographic Software. Released on June 11th 2019 has received 12,374 reviews of which 11,870 were positive and 504 were negative resulting in an impressive rating of 9.3 out of 10. With 183 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Ostranauts.
9.3
11,870
504
183
players
5. Endless Sky
Similarity 54% Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters. Endless Sky is a space, free to play and open world game developed and published by Michael Zahniser. Released on October 30th 2015 has received 6,579 reviews of which 6,074 were positive and 505 were negative resulting in a rating of 8.9 out of 10. With 131 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Ostranauts.
8.9
6,074
505
131
players
6. Chef RPG
Similarity 51% Craft your culinary adventure in a beautiful pixel art world. Manage your restaurants, forage and hunt for ingredients, befriend locals, and grow your culinary empire. What kind of chef will you be? Chef RPG is a early access, rpg and cooking game developed and published by World 2 Studio. Released on September 12th 2024 has received 1,614 reviews of which 1,410 were positive and 204 were negative resulting in a rating of 8.3 out of 10. With 119 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Ostranauts.
8.3
1,410
204
119
players
7. Spaceflight Simulator
Similarity 51% In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds. Spaceflight Simulator is a sandbox, space sim and space game developed and published by Team Curiosity ✦. Released on February 17th 2022 has received 6,158 reviews of which 5,931 were positive and 227 were negative resulting in an impressive rating of 9.3 out of 10. With 117 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Ostranauts.
9.3
5,931
227
117
players
8. ΔV: Rings of Saturn
Similarity 58% A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich. ΔV: Rings of Saturn is a space, sci-fi and physics game developed by Kodera Software and published by Kodera Software and Kurki.games. Released on July 21st 2023 has received 2,868 reviews of which 2,684 were positive and 184 were negative resulting in a rating of 9.0 out of 10. With 115 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Ostranauts.
9.0
2,684
184
115
players
9. Breathedge
Similarity 50% Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage. Breathedge is a open world survival craft, space and singleplayer game developed by RedRuins Softworks and published by RedRuins Softworks and HypeTrain Digital. Released on February 25th 2021 has received 15,152 reviews of which 12,488 were positive and 2,664 were negative resulting in a rating of 8.1 out of 10. With 106 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Ostranauts.
8.1
12,488
2,664
106
players
10. Star Valor
Similarity 56% Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences. Star Valor is a space, sandbox and action game developed and published by Rafael Burgos. Released on August 03rd 2022 has received 2,753 reviews of which 2,461 were positive and 292 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #10 spot among the most played games like Ostranauts.
8.6
2,461
292
66
players
Best deals on games like Ostranauts on Steam
Discover fantastic savings with the best discounts on a variety of games like Ostranauts available on Steam right now, updated on April 19th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Ostranauts.
1. Hardspace: Shipbreaker
Similarity 51% 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! Hardspace: Shipbreaker is a space, sci-fi and simulation game developed by Blackbird Interactive and published by Focus Entertainment. Released on May 24th 2022 has received 20,251 reviews of which 18,123 were positive and 2,128 were negative resulting in a rating of 8.8 out of 10. Featuring a massive 89% discount, this game currently holds the #1 spot in the best deals for games like Ostranauts.
8.8
18,123
2,128
-89%
36.18€
3.98€
2. Breathedge
Similarity 50% Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage. Breathedge is a open world survival craft, space and singleplayer game developed by RedRuins Softworks and published by RedRuins Softworks and HypeTrain Digital. Released on February 25th 2021 has received 15,152 reviews of which 12,488 were positive and 2,664 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 88% discount, this game is now the #2 best deal in games like Ostranauts.
8.1
12,488
2,664
-88%
24.42€
2.93€
3. Mars: War Logs
Similarity 53% An Intense Cyberpunk Rpg On the Red Planet! Mars War Logs takes you to Mars, nearly a century after the cataclysm that threw the planet and its colonists into chaos. Water has become the most precious resource on the arid red planet, with a few companies fighting a perpetual war for its control. Mars: War Logs is a rpg, rpg, action, action, sci-fi and sci-fi game developed by Spiders and published by Focus Entertainment. Released on April 26th 2013 has received 2,853 reviews of which 2,137 were positive and 716 were negative resulting in a rating of 7.3 out of 10. Thanks to its incredible 80% discount, this game is now the #3 best deal in games like Ostranauts.
7.3
2,137
716
-80%
4.99€
0.99€
4. Boundless
Similarity 50% Shape your citizen, forge your destiny and sculpt your world in this epic voxel sandbox MMO built on endless possibility. Boundless is a open world survival craft, sandbox and massively multiplayer game developed and published by Monumental and LLC. Released on September 11th 2018 has received 2,744 reviews of which 1,919 were positive and 825 were negative resulting in a rating of 6.8 out of 10. Currently offered at a significant 76% discount, this title has earned the #4 position in the best deals for games like Ostranauts.
6.8
1,919
825
-76%
19.42€
4.66€
5. Breathedge
Similarity 50% Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage. Breathedge is a game developed and published by . Released on February 25th 2021 has received 15,152 reviews of which 12,488 were positive and 2,664 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 88% discount, this title has earned the #5 position in the best deals for games like Ostranauts.
8.1
12,488
2,664
-88%
24.42€
2.93€
6. No Man's Sky
Similarity 51% No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe. No Man's Sky is a open world, open world survival craft and space game developed and published by Hello Games. Released on August 12th 2016 has received 349,909 reviews of which 290,482 were positive and 59,427 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 71% discount, this title has earned the #6 position in the best deals for games like Ostranauts.
8.2
290,482
59,427
-71%
58.31€
16.91€
7. Solar 2
Similarity 50% Dynamic abstract sandbox universe. Changes and evolves as you do. Solar 2 is a space, indie and casual game developed and published by Murudai. Released on June 17th 2011 has received 2,127 reviews of which 1,937 were positive and 190 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 66% discount, this title has earned the #7 position in the best deals for games like Ostranauts.
8.7
1,937
190
-66%
9.00€
3.06€
8. Mars: War Logs
Similarity 53% An Intense Cyberpunk Rpg On the Red Planet! Mars War Logs takes you to Mars, nearly a century after the cataclysm that threw the planet and its colonists into chaos. Water has become the most precious resource on the arid red planet, with a few companies fighting a perpetual war for its control. Mars: War Logs is a game developed and published by . Released on April 26th 2013 has received 2,853 reviews of which 2,137 were positive and 716 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 80% discount, this title has earned the #8 position in the best deals for games like Ostranauts.
7.3
2,137
716
-80%
4.99€
0.99€
9. Hardspace: Shipbreaker
Similarity 51% 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! Hardspace: Shipbreaker is a game developed and published by . Released on May 24th 2022 has received 20,251 reviews of which 18,123 were positive and 2,128 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 89% discount, this title has earned the #9 position in the best deals for games like Ostranauts.
8.8
18,123
2,128
-89%
36.18€
3.98€
Free games like Ostranauts on Steam
Check out this fantastic list of free-to-play games like Ostranauts you can enjoy on Steam right now, updated on April 19th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Ostranauts.
1. Endless Sky
Similarity 54% Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters. Endless Sky is a space, free to play and open world game developed and published by Michael Zahniser. Released on October 30th 2015 has received 6,579 reviews of which 6,074 were positive and 505 were negative resulting in a rating of 8.9 out of 10. With 131 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Ostranauts.
8.9
6,074
505
131
players