Best Space games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated space games. For those who prefer not to search, lists of the most played, top deals and best free space games are available at the bottom of the page.
Filters & Lists
Starcom: Nexus
Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.
Halo: The Master Chief Collection
The Master Chief’s iconic journey includes six games, built for PC and collected in a single integrated experience. Whether you’re a long-time fan or meeting Spartan 117 for the first time, The Master Chief Collection is the definitive Halo gaming experience.
SD GUNDAM G GENERATION CROSS RAYS
Beyond creation, four eras come together as one! Discover the latest entry in this iconic Tactical RPG series. Form your own team of SD Gundams and deploy for battle -- with units from Mobile Suit Gundam Wing, SEED, 00, and Iron-Blooded Orphans!
Still There
Every day is the same on the faraway Bento space-lighthouse - until a mysterious radio message breaks through. Evade the past, welcome oblivion, make the perfect Italian coffee. Still There is a psychological adventure game about grief, technical puzzles, wacky AIs and dark humour. How far is far enough?
STAR WARS Jedi: Fallen Order™
A galaxy-spanning adventure awaits in Star Wars Jedi: Fallen Order, a 3rd person action-adventure title from Respawn. An abandoned Padawan must complete his training, develop new powerful Force abilities, and master the art of the lightsaber - all while staying one step ahead of the Empire.
AI War 2
The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.
Moons of Madness
Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.
Elon Simulator 2019
The year is 2019.. There is a loong way to the Mars.
Beat Hazard 2
Experience your music collection as never before with this intense music driven arcade shooter. Each of your songs will have its own unique ebb and flow based on the music.
Deliver Us The Moon
Deliver Us The Moon is a Sci-Fi thriller set in an apocalyptic near future, where Earth's natural resources are depleted. A lone astronaut is sent to the moon on a critical mission to save humanity from extinction.
Spaceland: Sci-Fi Indie Tactics
Incredibly dynamic turn-based strategy, reviving the traditions of the old school tactics. Lead a team of the most desperate fighters, destroy alien monsters and uncover the secrets of the lost planet.
Infinity: Battlescape
Infinity: Battlescape is a multiplayer space combat sim supporting hundreds of players on a single server. Join one of the corporate factions and fight for domination of a seamless, true-to-scale procedural star system. Participate in massive space and planetary battles involving hundreds of ships.
Trailmakers
Build the ultimate vehicle and explore a vast open world filled with challenges and adventure. Play solo or team up with friends in multiplayer to conquer the toughest obstacles. With a thrilling campaign mode and endless creative possibilities, Trailmakers is the ultimate sandbox for adventurers.
Crying Suns
Crying Suns is a tactical rogue-lite that puts you in the role of a space fleet commander as you explore a mysteriously fallen empire. In this story rich experience inspired by Dune and Foundation, each successful run will uncover the truth about the Empire... and yourself as well.
Nauticrawl
A stolen, enigmatic machine is your only way out. It's likely to kill you, but so will the hostile planet you're escaping. Pull levers, hack devices, and puzzle out how to pilot the Nauticrawl to freedom in this unusual atmospheric adventure... or die trying.
Shortest Trip to Earth
Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe with nuclear missiles, armed crew and a cat.
Age of Wonders: Planetfall
Age of Wonders: Planetfall is the new strategy game from Triumph Studios, creators of the critically acclaimed Age of Wonders series, bringing all the exciting tactical turn-based combat and in-depth empire building of its predecessors to space in an all-new, sci-fi setting.
Oxygen Not Included
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
Interstellar Space: Genesis
Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!
1000 days to escape
Only 1000 days left until the end of the world. You have to realize the largest space program ever to save as many people as you can. Explore planets, colonize them, help people find a new home.
The Orville - Interactive Fan Experience
Step aboard the USS Orville (ECV-197), the Planetary Union's finest mid-level exploratory class cruiser. With every room on every deck recreated with painstaking accuracy, you are free to explore the ship at your leisure and engage in all manner of shenanigans!
Galaxy Squad
Galaxy squad is a hardcore turn-based tactical roguelike, inspired by FTL and XCOM.Most played space games on Steam
Take a look at the top space games that are currently attracting the largest player bases on the Steam platform, as of April 16th 2025.
1. Stellaris
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities. Stellaris is a space, grand strategy and strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on May 09th 2016 has received 181,672 reviews of which 157,497 were positive and 24,175 were negative resulting in a rating of 8.6 out of 10. The game has hit the top spot as the #1 most played space game, thanks to its 9,926 peak concurrent players over the last day.
8.6
157,497
24,175
9,926
players
2. No Man's Sky
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. While seeing 7,856 players online at once in the last 24 hours, this game is currently ranked #2 among space games based on player count.
8.2
290,482
59,427
7,856
players
3. Elite Dangerous
Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic. Elite Dangerous is a space sim, space and open world game developed and published by Frontier Developments. Released on April 02nd 2015 has received 98,919 reviews of which 76,509 were positive and 22,410 were negative resulting in a rating of 7.7 out of 10. While seeing 5,805 players online at once in the last 24 hours, this game is currently ranked #3 among space games based on player count.
7.7
76,509
22,410
5,805
players
4. Unnamed Space Idle
Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power. Unnamed Space Idle is a idler, casual and free to play game developed by Sylv and published by Jdog Corp. Released on July 27th 2023 has received 2,694 reviews of which 2,508 were positive and 186 were negative resulting in a rating of 8.9 out of 10. With 4,586 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played space games.
8.9
2,508
186
4,586
players
5. EVE Online
EVE Online is a free-to-play community driven space MMO where players can choose their own path from countless different options. Experience space exploration, immense PvP and PvE battles, mining, industry and a thriving player economy in an ever-expanding sandbox. EVE Online is a space, free to play and open world game developed and published by CCP. Released on December 15th 2010 has received 35,998 reviews of which 26,538 were positive and 9,460 were negative resulting in a rating of 7.3 out of 10. With 3,375 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played space games.
7.3
26,538
9,460
3,375
players
6. Among Us
An online and local party game of teamwork and betrayal for 4-15 players...in space! Among Us is a multiplayer, social deduction and online co-op game developed and published by Innersloth. Released on November 16th 2018 has received 699,079 reviews of which 642,113 were positive and 56,966 were negative resulting in an impressive rating of 9.1 out of 10. With 3,362 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played space games.
9.1
642,113
56,966
3,362
players
7. X4: Foundations
X4: FOUNDATIONS brings our most sophisticated universe SIMULATION ever. Fly every ship, EXPLORE space or manage an empire; TRADE, FIGHT, BUILD and THINK carefully, while you embark on an epic journey. Experience tons of improvements with the massive 7.50 Update! X4: Foundations is a space sim, simulation and sandbox game developed and published by Egosoft. Released on November 30th 2018 has received 23,304 reviews of which 18,494 were positive and 4,810 were negative resulting in a rating of 7.8 out of 10. With 3,115 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played space games.
7.8
18,494
4,810
3,115
players
8. Space Engineers
Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive. Space Engineers is a space, sandbox and building game developed and published by Keen Software House. Released on February 28th 2019 has received 131,727 reviews of which 116,631 were positive and 15,096 were negative resulting in a rating of 8.7 out of 10. With 3,101 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played space games.
8.7
116,631
15,096
3,101
players
9. Kerbal Space Program
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. Kerbal Space Program is a space, simulation and sandbox game developed by Squad and published by Private Division. Released on April 27th 2015 has received 126,215 reviews of which 120,127 were positive and 6,088 were negative resulting in an impressive rating of 9.4 out of 10. With 2,347 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played space games.
9.4
120,127
6,088
2,347
players
10. ASTRONEER
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. ASTRONEER is a multiplayer, open world and open world survival craft game developed and published by System Era Softworks. Released on February 05th 2019 has received 127,856 reviews of which 117,817 were positive and 10,039 were negative resulting in an impressive rating of 9.1 out of 10. With 2,106 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played space games.
9.1
117,817
10,039
2,106
players
Best deals on space games on Steam
Discover fantastic savings with the best discounts on a variety of space games available on Steam right now, updated on April 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted space games.
1. Battlestar Galactica Deadlock
In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival? Battlestar Galactica Deadlock is a strategy, space and sci-fi game developed by Black Lab Games and published by Slitherine Ltd.. Released on August 31st 2017 has received 3,427 reviews of which 2,881 were positive and 546 were negative resulting in a rating of 8.1 out of 10. Featuring a massive 96% discount, this game currently holds the #1 spot in the best deals for space category.
8.1
2,881
546
-96%
42.25€
1.69€
2. InfraSpace
Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain. InfraSpace is a city builder, automation and transportation game developed and published by Dionic Software. Released on September 22nd 2023 has received 1,611 reviews of which 1,297 were positive and 314 were negative resulting in a rating of 7.7 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in space games.
7.7
1,297
314
-95%
20.00€
1.00€
3. Observation
Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M. Observation is a indie, adventure and space game developed by No Code and published by Devolver Digital. Released on May 21st 2020 has received 4,729 reviews of which 3,711 were positive and 1,018 were negative resulting in a rating of 7.6 out of 10. Thanks to its incredible 95% discount, this game is now the #3 best deal in space games.
7.6
3,711
1,018
-95%
26.80€
1.34€
4. This Means Warp
It’s co-op space survival fun, Jim, but not as we know it. This Means Warp is an intense spaceship management roguelite experience for 1-4 players. Explore a procedurally generated universe, upgrade your ship, battle dangerous enemies and adapt your strategies to survive in a hostile galaxy. This Means Warp is a survival, online co-op and space game developed by Outlier and published by Jagex Ltd. Released on May 04th 2023 has received 620 reviews of which 445 were positive and 175 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 95% discount, this title has earned the #4 position in the best deals for space games.
6.9
445
175
-95%
20.00€
1.00€
5. Homeworld Remastered Collection
Experience the epic space strategy games that redefined the RTS genre. Control your fleet and build an armada across more than 30 single-player missions. Choose unit types, fleet formations and flight tactics for each strategic situation. Homeworld Remastered Collection is a space, strategy and rts game developed by Gearbox Software and Aspyr (Mac) and published by Aspyr (Mac) and Gearbox Publishing. Released on February 25th 2015 has received 13,504 reviews of which 11,934 were positive and 1,570 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 94% discount, this title has earned the #5 position in the best deals for space games.
8.6
11,934
1,570
-94%
33.33€
2.00€
6. Tin Can
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? Tin Can is a simulation, space and survival game developed by Tin Can Studio and published by Tin Can Studio and IndieArk. Released on May 12th 2022 has received 1,175 reviews of which 995 were positive and 180 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 94% discount, this title has earned the #6 position in the best deals for space games.
8.1
995
180
-94%
16.67€
1.00€
7. Still There
Every day is the same on the faraway Bento space-lighthouse - until a mysterious radio message breaks through. Evade the past, welcome oblivion, make the perfect Italian coffee. Still There is a psychological adventure game about grief, technical puzzles, wacky AIs and dark humour. How far is far enough? Still There is a point & click, emotional and adventure game developed by GhostShark and published by Iceberg Interactive. Released on November 20th 2019 has received 1,272 reviews of which 1,100 were positive and 172 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 93% discount, this title has earned the #7 position in the best deals for space games.
8.2
1,100
172
-93%
14.29€
1.00€
8. Distant Worlds: Universe
Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game. Distant Worlds: Universe is a strategy, 4x and space game developed by Code Force and published by Slitherine Ltd.. Released on May 23rd 2014 has received 1,815 reviews of which 1,375 were positive and 440 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 92% discount, this title has earned the #8 position in the best deals for space games.
7.3
1,375
440
-92%
28.00€
2.24€
9. Planets Under Attack
Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies. Planets Under Attack is a strategy, indie and space game developed by Targem Games and published by TopWare Interactive. Released on September 27th 2012 has received 1,115 reviews of which 806 were positive and 309 were negative resulting in a rating of 7.0 out of 10. Currently offered at a significant 92% discount, this title has earned the #9 position in the best deals for space games.
7.0
806
309
-92%
12.50€
1.00€
10. Shortest Trip to Earth
Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe with nuclear missiles, armed crew and a cat. Shortest Trip to Earth is a rogue-lite, space and strategy game developed by Interactive Fate and published by Interactive Fate and Iceberg Interactive. Released on August 15th 2019 has received 1,385 reviews of which 1,066 were positive and 319 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 91% discount, this title has earned the #10 position in the best deals for space games.
7.4
1,066
319
-91%
23.78€
2.14€
Free space games on Steam
Check out this fantastic list of free-to-play space games you can enjoy on Steam right now, updated on April 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play space games.
1. Unnamed Space Idle
Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power. Unnamed Space Idle is a idler, casual and free to play game developed by Sylv and published by Jdog Corp. Released on July 27th 2023 has received 2,694 reviews of which 2,508 were positive and 186 were negative resulting in a rating of 8.9 out of 10. With 4,586 active players enjoying it for free, this strategy game has reached the #1 spot among the top free space games on Steam.
8.9
2,508
186
4,586
players
2. EVE Online
EVE Online is a free-to-play community driven space MMO where players can choose their own path from countless different options. Experience space exploration, immense PvP and PvE battles, mining, industry and a thriving player economy in an ever-expanding sandbox. EVE Online is a space, free to play and open world game developed and published by CCP. Released on December 15th 2010 has received 35,998 reviews of which 26,538 were positive and 9,460 were negative resulting in a rating of 7.3 out of 10. Thanks to its free to play tag and a daily player base of 3,375, this space game has secured the #2 spot in the ranking of free space games on Steam.
7.3
26,538
9,460
3,375
players
3. Galaxy Idle Clicker
Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe! Galaxy Idle Clicker is a idler, casual and clicker game developed and published by Soehnle. Released on July 18th 2024 has received 621 reviews of which 473 were positive and 148 were negative resulting in a rating of 7.2 out of 10. Thanks to its free to play tag and a daily player base of 1,290, this space game has secured the #3 spot in the ranking of free space games on Steam.
7.2
473
148
1,290
players
4. Star Trek Online
In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before. Star Trek Online is a free to play, sci-fi and massively multiplayer game developed by Cryptic Studios and published by Arc Games. Released on January 31st 2012 has received 20,017 reviews of which 15,828 were positive and 4,189 were negative resulting in a rating of 7.8 out of 10. Attracting a solid base of 1,126 players due to its free access, this strategy game has achieved the #4 position in the best free space games on Steam.
7.8
15,828
4,189
1,126
players
5. Super Sus
Welcome to join the multiplayer social deduction game - Super Sus! Engage in intense gameplay with global players, as you strategize to safeguard your spaceship from the cunning Impostors determined to sabotage the mission and eliminate everyone aboard! Super Sus is a multiplayer, online co-op and social deduction game developed and published by GIANT INTERACTIVE HK LIMITED. Released on July 30th 2024 has received 1,084 reviews of which 748 were positive and 336 were negative resulting in a rating of 6.7 out of 10. Attracting a solid base of 182 players due to its free access, this strategy game has achieved the #5 position in the best free space games on Steam.
6.7
748
336
182
players
6. Star Trek Timelines
Explore the Final Frontier in the ultimate sci-fi strategy RPG, Star Trek Timelines! Join Starfleet and overcome challenges as you boldly go where no game has gone before – across the entire history of Star Trek. Star Trek Timelines is a free to play, strategy and space game developed and published by Tilting Point. Released on July 12th 2017 has received 1,417 reviews of which 932 were positive and 485 were negative resulting in a rating of 6.4 out of 10. Attracting a solid base of 170 players due to its free access, this strategy game has achieved the #6 position in the best free space games on Steam.
6.4
932
485
170
players
7. Pixel Starships
Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven. Pixel Starships is a sci-fi, space and strategy game developed and published by SavySoda. Released on May 23rd 2023 has received 2,684 reviews of which 1,976 were positive and 708 were negative resulting in a rating of 7.1 out of 10. Attracting a solid base of 150 players due to its free access, this strategy game has achieved the #7 position in the best free space games on Steam.
7.1
1,976
708
150
players
8. 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. 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. Attracting a solid base of 103 players due to its free access, this strategy game has achieved the #8 position in the best free space games on Steam.
8.9
6,074
505
103
players
9. Hades' Star
A unique space strategy game where thousands of players participate in one shared galaxy. Hades' Star is a free to play, space and strategy game developed and published by Parallel Space Inc. Released on February 27th 2019 has received 2,558 reviews of which 1,861 were positive and 697 were negative resulting in a rating of 7.1 out of 10. Attracting a solid base of 103 players due to its free access, this strategy game has achieved the #9 position in the best free space games on Steam.
7.1
1,861
697
103
players
10. Planet S
Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction. Planet S is a strategy, city builder and multiplayer game developed and published by Glimmerlight Games. Released on October 28th 2023 has received 2,565 reviews of which 2,352 were positive and 213 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #10 spot among the most played free space games on Steam.
8.8
2,352
213
19
players