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.
Breathedge
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.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 30th 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 350,242 reviews of which 290,801 were positive and 59,441 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 5,653 peak concurrent players over the last day.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 10,526 reviews of which 9,788 were positive and 738 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.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 20,286 reviews of which 18,156 were positive and 2,130 were negative resulting in a rating of 8.8 out of 10. While seeing 271 players online at once in the last 24 hours, this game is currently ranked #3 among games like Ostranauts based on player count.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 12,422 reviews of which 11,917 were positive and 505 were negative resulting in an impressive rating of 9.3 out of 10. With 130 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Ostranauts.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 6,604 reviews of which 6,096 were positive and 508 were negative resulting in a rating of 8.9 out of 10. With 129 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Ostranauts.6. 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 6,190 reviews of which 5,960 were positive and 230 were negative resulting in an impressive rating of 9.3 out of 10. With 120 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Ostranauts.7. 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 1,630 reviews of which 1,427 were positive and 203 were negative resulting in a rating of 8.4 out of 10. With 112 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Ostranauts.8. 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 2,762 reviews of which 2,472 were positive and 290 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #8 spot among the most played games like Ostranauts.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 15,194 reviews of which 12,524 were positive and 2,670 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #9 spot among the most played games like Ostranauts.10. Stardeus
Similarity 53% Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation. Stardeus is a early access, exploration and colony sim game developed by Kodo Linija and published by Paradox Arc. Released on October 12th 2022 has received 1,322 reviews of which 1,163 were positive and 159 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #10 spot among the most played games like Ostranauts.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 30th 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 20,286 reviews of which 18,156 were positive and 2,130 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.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 15,194 reviews of which 12,524 were positive and 2,670 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.3. 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. Thanks to its incredible 76% discount, this game is now the #3 best deal in games like Ostranauts.4. 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 350,242 reviews of which 290,801 were positive and 59,441 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 71% discount, this title has earned the #4 position in the best deals for games like Ostranauts.5. 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 2,129 reviews of which 1,939 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 #5 position in the best deals for games like Ostranauts.6. 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 2,856 reviews of which 2,139 were positive and 717 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 66% discount, this title has earned the #6 position in the best deals for games like Ostranauts.7. Remains
Similarity 57% Remains - survival in outer space orbiting the planet. Explore the area. Find a way to restore oxygen. Create tools for your needs. Beware of the dangers of outer space. Build your shelter in orbit and try not to die! Remains is a open world survival craft, crafting and space game developed and published by SoloQ. Released on June 08th 2021 has received 303 reviews of which 241 were positive and 62 were negative resulting in a rating of 7.4 out of 10. Currently offered at a 40% discount, this title has earned the #7 position in the best deals for games like Ostranauts.8. 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 2,762 reviews of which 2,472 were positive and 290 were negative resulting in a rating of 8.6 out of 10. Currently offered at a 31% discount, this title has earned the #8 position in the best deals for games like Ostranauts.9. 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 10,526 reviews of which 9,788 were positive and 738 were negative resulting in an impressive rating of 9.0 out of 10. Currently offered at a 20% discount, this title has earned the #9 position in the best deals for games like Ostranauts.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 30th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Ostranauts.