Games like Interstellar Space: Genesis on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Interstellar Space: Genesis are available at the bottom of the page.
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Galactic Civilizations III
Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more.
Into the Breach
Control powerful mechs from the future to defeat an alien threat. Each attempt to save the world presents a new randomly generated challenge in this turn-based strategy game.
Reshaping Mars
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
Making History: The Great War
The Great War is a turn-based grand strategy game based on the epic struggles of the WWI era. Experience the battles of attrition and punishing artillery barrages. Play as any nation of the period as the modern world of industrialized warfare replaces an age of kings with a struggle of ideologies.
Xenonauts
Xenonauts is a strategy game in which you control a multi-national military organisation defending a Cold War-era Earth from alien invasion, using small squads of persistent soldiers to eliminate the extraterrestrials and recover their technology in turn-based ground combat.
Galactic Civilizations® II: Ultimate Edition
Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!
ZEPHON
From the developers of Warhammer 40,000: Gladius, ZEPHON is a post-apocalyptic 4X strategy game built on Proxy’s unique tactical combat system. Guide survivors through a turbulent future, navigating unexpected disasters, eldritch horror and cyberpunk monstrosities. What will you do to survive?
Warhammer 40,000: Battlesector
Warhammer 40,000: Battlesector is a fast-paced turn-based strategy game set in the grimdark universe of the 41st Millennium. Pick your force, develop your army, field mighty heroes and fight for victory using superior strategy, awesome abilities, and devastating weaponry.
Bionic Dues
Bionic Dues is a tactical, turn-based roguelite with mech customization. Out-think wide-ranging tactical situations featuring robots with bad GPS, terrible aim, insecurity, a lack of focus, a tendency to backstab, and dozens of other maladies to exploit.
Fantasy General II
The fantasy wargaming classic is back! Lead powerful heroes and mighty armies into battle in this critically acclaimed turn-based strategy milestone. Level up and train your units and guide them through a gripping story campaign to decide the fate of a world on the brink of destruction.
Field of Glory: Empires
Field of Glory: Empires is a grand strategy game in which you will have to move in an intricate and living tapestry of nations and tribes, each one with their distinctive culture.
Halcyon 6: Starbase Commander (LIGHTSPEED EDITION)
A retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling. Halcyon 6: Lightspeed Edition is a massively enhanced version of the Award Winning indie strategy RPG, Halcyon 6.
Interplanetary: Enhanced Edition
In this turn-based strategic artillery game, players wage interplanetary wars by developing their home planets and firing massive barrages through the unpredictable gravity fields of the solar system.
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.
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.
Legend Creatures(传奇生物)
Legendary creature is an independent game with rich playing methods such as roguelike + self-propelled chess + strategy. You can collect all kinds of magic creatures with various talents and skills, and can also evolve to a higher level.
Master of Orion 2
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
Halcyon 6: Starbase Commander
Halcyon 6: Starbase Commander is a retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling.
Master of Orion
The ascendant spacefaring 4X strategy game returns! A new chapter in the epic Master of Orion saga is poised to once again capture the imaginations of millions of gamers.
Renowned Explorers: International Society
In this strategic rogue-like you become a famous expedition leader in the 19th century. You form your own crew with the skills and personality to discover legendary treasures, while exploring randomized locations and stories on every new adventure.
Sins of a Solar Empire®: Rebellion
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
Silence of the Siren
A turn-based sci-fi strategy that combines exploration and exciting clashes on the battlefield. Take control over several different species, raise powerful armies for your heroes and destroy your opponents! This HoMM-like is set in a scifi universe, with new mechanics on top of the classic formula.Most played games like Interstellar Space: Genesis on Steam
Take a look at the top games like Interstellar Space: Genesis that are currently attracting the largest player bases on the Steam platform, as of April 26th 2025.
1. Stellaris
Similarity 65% 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 182,155 reviews of which 157,931 were positive and 24,224 were negative resulting in a rating of 8.6 out of 10. The game has hit the top spot as the #1 most played game like Interstellar Space: Genesis, thanks to its 11,141 peak concurrent players over the last day.
8.6
157,931
24,224
11,141
players
2. Kerbal Space Program
Similarity 52% 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 126,433 reviews of which 120,348 were positive and 6,085 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 2,383 players online at once in the last 24 hours, this game is currently ranked #2 among games like Interstellar Space: Genesis based on player count.
9.4
120,348
6,085
2,383
players
3. BATTLETECH
Similarity 53% Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war. BATTLETECH is a mechs, strategy and turn-based tactics game developed by Harebrained Schemes and published by Paradox Interactive. Released on April 24th 2018 has received 31,367 reviews of which 26,263 were positive and 5,104 were negative resulting in a rating of 8.2 out of 10. While seeing 1,662 players online at once in the last 24 hours, this game is currently ranked #3 among games like Interstellar Space: Genesis based on player count.
8.2
26,263
5,104
1,662
players
4. Wartales
Similarity 51% Wartales is an open world RPG in which you lead a group of mercenaries in their search for wealth across a massive medieval universe. Explore the world, recruit companions, collect bounties and unravel the secrets of the tombs of the ancients! Wartales is a rpg, open world and turn-based strategy game developed and published by Shiro Games. Released on April 12th 2023 has received 28,839 reviews of which 25,953 were positive and 2,886 were negative resulting in a rating of 8.8 out of 10. With 1,608 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Interstellar Space: Genesis.
8.8
25,953
2,886
1,608
players
5. Sid Meier's Civilization® III Complete
Similarity 57% Sid Meier's Civilization III: Complete, the latest offering in the Sid Meier's Civilization III franchise, provides gaming fans with Sid Meier's Civilization III, the highly-addictive journey of discovery. Sid Meier's Civilization® III Complete is a strategy, turn-based strategy and turn-based game developed by Firaxis Games and published by 2K. Released on October 25th 2006 has received 7,156 reviews of which 6,418 were positive and 738 were negative resulting in a rating of 8.7 out of 10. With 1,560 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Interstellar Space: Genesis.
8.7
6,418
738
1,560
players
6. Old World
Similarity 52% Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind? Old World is a strategy, simulation and 4x game developed by Mohawk Games and published by Hooded Horse. Released on May 18th 2022 has received 4,485 reviews of which 3,679 were positive and 806 were negative resulting in a rating of 8.0 out of 10. With 704 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Interstellar Space: Genesis.
8.0
3,679
806
704
players
7. Warhammer 40,000: Gladius - Relics of War
Similarity 67% Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions. Warhammer 40,000: Gladius - Relics of War is a strategy, warhammer 40k and 4x game developed by Proxy Studios and published by Slitherine Ltd.. Released on July 12th 2018 has received 14,204 reviews of which 11,540 were positive and 2,664 were negative resulting in a rating of 8.0 out of 10. With 588 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Interstellar Space: Genesis.
8.0
11,540
2,664
588
players
8. ENDLESS™ Space 2
Similarity 72% ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire? ENDLESS™ Space 2 is a strategy, space and sci-fi game developed by AMPLITUDE Studios and published by SEGA. Released on May 18th 2017 has received 22,101 reviews of which 18,455 were positive and 3,646 were negative resulting in a rating of 8.2 out of 10. With 523 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Interstellar Space: Genesis.
8.2
18,455
3,646
523
players
9. Panzer Corps 2
Similarity 50% Panzer Corps 2 is the ultimate Second World War strategy game! Enjoy the time-proven gameplay formula which has been appreciated by millions of players over the years, brought to a whole new level of refinement up to the latest technical standards. Panzer Corps 2 is a strategy, world war ii and turn-based strategy game developed by Flashback Games and published by Slitherine Ltd.. Released on March 19th 2020 has received 3,731 reviews of which 3,150 were positive and 581 were negative resulting in a rating of 8.2 out of 10. With 457 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Interstellar Space: Genesis.
8.2
3,150
581
457
players
10. Quasimorph
Similarity 65% Take on a role of a hardened PMC fighter in a dark turn-based extraction RPG. Engage in unforgiving combat, manage your ship and pile up the bodies of your clones to unravel the dark mystery behind threat to all life. Quasimorph is a early access, extraction shooter and simulation game developed by Magnum Scriptum and published by HypeTrain Digital. Released on October 02nd 2023 has received 4,145 reviews of which 3,407 were positive and 738 were negative resulting in a rating of 8.0 out of 10. With 380 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Interstellar Space: Genesis.
8.0
3,407
738
380
players
Best deals on games like Interstellar Space: Genesis on Steam
Discover fantastic savings with the best discounts on a variety of games like Interstellar Space: Genesis available on Steam right now, updated on April 26th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Interstellar Space: Genesis.
1. Old World
Similarity 52% Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind? Old World is a strategy, simulation and 4x game developed by Mohawk Games and published by Hooded Horse. Released on May 18th 2022 has received 4,485 reviews of which 3,679 were positive and 806 were negative resulting in a rating of 8.0 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like Interstellar Space: Genesis.
8.0
3,679
806
-95%
39.80€
1.99€
2. Warhammer 40,000: Gladius - Relics of War
Similarity 67% Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions. Warhammer 40,000: Gladius - Relics of War is a strategy, warhammer 40k and 4x game developed by Proxy Studios and published by Slitherine Ltd.. Released on July 12th 2018 has received 14,204 reviews of which 11,540 were positive and 2,664 were negative resulting in a rating of 8.0 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like Interstellar Space: Genesis.
8.0
11,540
2,664
-95%
42.80€
2.14€
3. Oriental Empires
Similarity 51% Turn based 4X strategy game, recreating the civilizations of ancient China. Develop your land, build great cities, raise huge armies and fight epic battles, with hundreds of soldiers fighting right on the game map. Advance your technologies, culture and religion to create one of mankind’s biggest empires. Oriental Empires is a strategy, simulation and indie game developed by Shining Pixel Studios and published by Iceberg Interactive. Released on September 14th 2017 has received 2,928 reviews of which 2,354 were positive and 574 were negative resulting in a rating of 7.8 out of 10. Thanks to its incredible 95% discount, this game is now the #3 best deal in games like Interstellar Space: Genesis.
7.8
2,354
574
-95%
30.00€
1.50€
4. Star Renegades
Similarity 50% Star Renegades is a dimension spanning rogue-lite strategy RPG. Outsmart uniquely generated adversaries, forge bonds between heroes and end the cycle! Star Renegades is a rogue-like, pixel graphics and turn-based game developed by Massive Damage and Inc. and published by Raw Fury. Released on September 08th 2020 has received 2,816 reviews of which 2,341 were positive and 475 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 92% discount, this title has earned the #4 position in the best deals for games like Interstellar Space: Genesis.
8.0
2,341
475
-92%
24.75€
1.98€
5. Distant Worlds: Universe
Similarity 59% 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 1,816 reviews of which 1,376 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 #5 position in the best deals for games like Interstellar Space: Genesis.
7.3
1,376
440
-92%
28.00€
2.24€
6. Rogue State Revolution
Similarity 51% Greetings your Excellency. Time to rebuild, reform and prepare for new challenges in the People's Republic of Basenji. In this thrilling political strategy, you will appoint ministers and lead the country to success. Be careful — you may find yourself replaced in the next election. Rogue State Revolution is a sandbox, atmospheric and turn-based strategy game developed by LRDGames and Inc. and published by Modern Wolf. Released on March 18th 2021 has received 494 reviews of which 381 were positive and 113 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 92% discount, this title has earned the #6 position in the best deals for games like Interstellar Space: Genesis.
7.3
381
113
-92%
12.50€
1.00€
7. Unity of Command II
Similarity 56% Unity of Command II is the sequel to one of the most critically acclaimed strategy games of all time; a game critics called 'the perfect gateway' into computer war games. Unity of Command II is a strategy, world war ii and simulation game developed by 2x2 Games and Croteam and published by 2x2 Games. Released on November 12th 2019 has received 1,876 reviews of which 1,515 were positive and 361 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 91% discount, this title has earned the #7 position in the best deals for games like Interstellar Space: Genesis.
7.8
1,515
361
-91%
29.78€
2.68€
8. Revival: Recolonization
Similarity 75% Set in a post-apoc version of Earth, Revival is a 4x strategy game where the world and its rules can change at key moments, creating a deep and highly replayable experience. Revival: Recolonization is a 4x, grand strategy and turn-based strategy game developed and published by HeroCraft PC. Released on April 11th 2024 has received 398 reviews of which 288 were positive and 110 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 91% discount, this title has earned the #8 position in the best deals for games like Interstellar Space: Genesis.
6.9
288
110
-91%
27.67€
2.49€
9. SteamWorld Heist
Similarity 56% Command a steam-driven pirate crew in a series of epic tactical shootouts in SteamWorld Heist. This is turn-based strategy with a twist: You manually aim the guns of your robots, allowing for insane skill shots and bullet-bouncing action! SteamWorld Heist is a strategy, turn-based and steampunk game developed and published by Image & Form Games. Released on June 07th 2016 has received 5,980 reviews of which 5,595 were positive and 385 were negative resulting in an impressive rating of 9.0 out of 10. Currently offered at a significant 90% discount, this title has earned the #9 position in the best deals for games like Interstellar Space: Genesis.
9.0
5,595
385
-90%
15.00€
1.50€
10. I am not a Monster: First Contact
Similarity 63% Retro sci-fi tactical turn-based strategy with an exciting storyline. The Albatross space liner is overrun by lizard-like monsters that can infect humans and turn them into their own kind. Save the passengers and defeat the hostile creatures. I am not a Monster: First Contact is a turn-based tactics, strategy and sci-fi game developed by Cheerdealers and published by Alawar. Released on September 27th 2018 has received 1,255 reviews of which 965 were positive and 290 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 90% discount, this title has earned the #10 position in the best deals for games like Interstellar Space: Genesis.
7.4
965
290
-90%
10.79€
1.07€
Free games like Interstellar Space: Genesis on Steam
Check out this fantastic list of free-to-play games like Interstellar Space: Genesis you can enjoy on Steam right now, updated on April 26th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Interstellar Space: Genesis.
1. Pixel Starships
Similarity 54% 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 2,691 reviews of which 1,979 were positive and 712 were negative resulting in a rating of 7.1 out of 10. With 146 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Interstellar Space: Genesis.
7.1
1,979
712
146
players
2. Star Realms
Similarity 54% Star Realms is a hugely popular space combat deckbuilding game. Download and play today (note: base set is required to play online) to find out why Star Realms is the winner of SXSW 2014 Board Game of the Year, 7 Golden Geek Awards from BoardGameGeek, and 2 Dice Tower awards! Star Realms is a deckbuilding, strategy and card battler game developed and published by Wise Wizard Games and LLC. Released on March 08th 2016 has received 2,048 reviews of which 1,776 were positive and 272 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #2 spot among the most played free games like Interstellar Space: Genesis.
8.3
1,776
272
79
players
3. Demise of Nations
Similarity 54% Demise of Nations is a 4X turn-based grand strategy wargame covering the rise of Rome till the fall of modern civilization. Demise of Nations is a free to play, strategy and indie game developed and published by Noble Master LLC. Released on August 08th 2017 has received 522 reviews of which 422 were positive and 100 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #3 spot among the most played free games like Interstellar Space: Genesis.
7.6
422
100
6
players
4. Prismata
Similarity 55% A perfect-information strategy game inspired by RTS, deckbuilders, and board games. Choose from three distinct technology classes and outwit your foes by snowballing your starting resources into a powerful cybernetic army. ABSOLUTELY NO PAY-TO-WIN. Prismata is a early access, strategy and indie game developed and published by Lunarch Studios. Released on March 08th 2018 has received 1,185 reviews of which 968 were positive and 217 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #4 spot among the most played free games like Interstellar Space: Genesis.
7.8
968
217
4
players
5. 中华三国志 the Three Kingdoms of China
Similarity 50% Three Kingdoms of China is a free, open-source single-machine strategy three-country game developed by the domestic folk team. The game does not have any commercial nature, hoping to create a dream of Three Kingdoms for the fans of the three kingdoms. 中华三国志 the Three Kingdoms of China is a free to play, indie and strategy game developed and published by 中三之家. Released on March 30th 2019 has received 1,342 reviews of which 1,154 were positive and 188 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #5 spot among the most played free games like Interstellar Space: Genesis.
8.2
1,154
188
3
players
6. Sunrider: Mask of Arcadius
Similarity 54% As Captain Kayto Shields, embark on a galactic voyage of heroism and survival. With his home world destroyed and his nation conquered, the inexperienced Captain Shields, and his newly minted vessel, the Sunrider, are left as the only hope against a galactic evil intent on subjugating all sentient life. Sunrider: Mask of Arcadius is a anime, visual novel and free to play game developed by Love in Space and published by Sekai Project. Released on July 09th 2014 has received 2,781 reviews of which 2,572 were positive and 209 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #6 spot among the most played free games like Interstellar Space: Genesis.
8.9
2,572
209
1
players