Games like Gratuitous Space Battles on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Gratuitous Space Battles are available at the bottom of the page.
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Reassembly
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
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.
The Last Starship
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
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.
VoidExpanse
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
Cosmoteer: Starship Architect & Commander
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
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.
Void Destroyer 2
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
RimWorld
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
Istrolid
In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.
Spaceflight Simulator
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
United Penguin Kingdom
A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales. Enjoy the growth of your settlement, become the king, and lead the United Penguin Kingdom.
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.
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.
Creeper World 4
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
Starpoint Gemini Warlords
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
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.
Celestial Command
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
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!
FTL: Faster Than Light
This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.
Revenge of the Titans
The ultimate mash-up of Real-time Strategy and Tower Defense!
Nexus - The Jupiter Incident
Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system. At the very edge of the solar system, the companies make a discovery that will shift the technological advantage and upset the balance. And so a new conflict is born: "The Jupiter Incident."
Deep Space Cache
Deep Space Cache is a short & simple semi-idle bullet heaven incremental asteroid miner game.Most played games like Gratuitous Space Battles on Steam
Take a look at the top games like Gratuitous Space Battles that are currently attracting the largest player bases on the Steam platform, as of April 15th 2025.
1. RimWorld
Similarity 62% A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more. RimWorld is a colony sim, base-building and survival game developed and published by Ludeon Studios. Released on October 17th 2018 has received 207,285 reviews of which 203,071 were positive and 4,214 were negative resulting in an impressive rating of 9.7 out of 10. The game has hit the top spot as the #1 most played game like Gratuitous Space Battles, thanks to its 35,684 peak concurrent players over the last day.
9.7
203,071
4,214
35,684
players
2. Oxygen Not Included
Similarity 63% 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. Oxygen Not Included is a colony sim, base-building and survival game developed and published by Klei Entertainment. Released on July 30th 2019 has received 127,145 reviews of which 123,019 were positive and 4,126 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 13,414 players online at once in the last 24 hours, this game is currently ranked #2 among games like Gratuitous Space Battles based on player count.
9.5
123,019
4,126
13,414
players
3. Dyson Sphere Program
Similarity 56% Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire. Dyson Sphere Program is a automation, space and base-building game developed by Youthcat Studio and published by Gamera Games. Released on January 20th 2021 has received 84,564 reviews of which 82,585 were positive and 1,979 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 5,796 players online at once in the last 24 hours, this game is currently ranked #3 among games like Gratuitous Space Battles based on player count.
9.6
82,585
1,979
5,796
players
4. Space Engineers
Similarity 59% 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 4,309 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Gratuitous Space Battles.
8.7
116,631
15,096
4,309
players
5. Kerbal Space Program
Similarity 60% 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 3,278 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Gratuitous Space Battles.
9.4
120,127
6,088
3,278
players
6. FTL: Faster Than Light
Similarity 58% This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat. FTL: Faster Than Light is a rogue-like, space and strategy game developed and published by Subset Games. Released on September 14th 2012 has received 74,348 reviews of which 70,940 were positive and 3,408 were negative resulting in an impressive rating of 9.4 out of 10. With 1,789 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Gratuitous Space Battles.
9.4
70,940
3,408
1,789
players
7. Prison Architect
Similarity 56% Only the world’s most ruthless Warden can contain the world’s most ruthless inmates. Design and develop your personalized penitentiary in Prison Architect. Prison Architect is a simulation, building and sandbox game developed by Double Eleven and Introversion Software and published by Paradox Interactive. Released on October 06th 2015 has received 72,036 reviews of which 64,202 were positive and 7,834 were negative resulting in a rating of 8.8 out of 10. With 1,395 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Gratuitous Space Battles.
8.8
64,202
7,834
1,395
players
8. Surviving Mars
Similarity 53% There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you. Surviving Mars is a colony sim, city builder and strategy game developed by Haemimont Games and Abstraction and published by Paradox Interactive. Released on March 15th 2018 has received 26,404 reviews of which 22,330 were positive and 4,074 were negative resulting in a rating of 8.3 out of 10. With 923 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Gratuitous Space Battles.
8.3
22,330
4,074
923
players
9. Space Haven
Similarity 53% Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation. Space Haven is a base-building, space and colony sim game developed and published by Bugbyte Ltd.. Released on May 21st 2020 has received 8,818 reviews of which 7,615 were positive and 1,203 were negative resulting in a rating of 8.4 out of 10. With 694 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Gratuitous Space Battles.
8.4
7,615
1,203
694
players
10. ENDLESS™ Space 2
Similarity 55% 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 22,087 reviews of which 18,447 were positive and 3,640 were negative resulting in a rating of 8.2 out of 10. With 636 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Gratuitous Space Battles.
8.2
18,447
3,640
636
players
Best deals on games like Gratuitous Space Battles on Steam
Discover fantastic savings with the best discounts on a variety of games like Gratuitous Space Battles available on Steam right now, updated on April 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Gratuitous Space Battles.
1. Lords and Villeins
Similarity 50% Build a prosperous settlement in a unique simulation of a feudal economy - each family runs their shop, owns their goods, and trades with other villagers in a free market. You will manage the land, build houses, organise events, set taxes, and balance supply and demand while engaging in diplomacy! Lords and Villeins is a colony sim, strategy and city builder game developed by Honestly Games and published by Fulqrum Publishing. Released on November 10th 2022 has received 865 reviews of which 626 were positive and 239 were negative resulting in a rating of 6.9 out of 10. Featuring a massive 96% discount, this game currently holds the #1 spot in the best deals for games like Gratuitous Space Battles.
6.9
626
239
-96%
27.50€
1.10€
2. InfraSpace
Similarity 50% 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 games like Gratuitous Space Battles.
7.7
1,297
314
-95%
20.00€
1.00€
3. Distant Worlds: Universe
Similarity 60% 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. Thanks to its incredible 92% discount, this game is now the #3 best deal in games like Gratuitous Space Battles.
7.3
1,375
440
-92%
28.00€
2.24€
4. Shortest Trip to Earth
Similarity 51% 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 #4 position in the best deals for games like Gratuitous Space Battles.
7.4
1,066
319
-91%
23.78€
2.14€
5. VoidExpanse
Similarity 65% Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse! VoidExpanse is a space, rpg and open world game developed and published by AtomicTorch Studio. Released on April 02nd 2015 has received 747 reviews of which 534 were positive and 213 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 91% discount, this title has earned the #5 position in the best deals for games like Gratuitous Space Battles.
6.9
534
213
-91%
15.11€
1.36€
6. Space Rangers HD: A War Apart
Similarity 53% Space adventure, open world RPG, strategy, arcade, quest and more! Space Rangers HD: A War Apart is a space, rpg and strategy game developed by SNK Games, Elemental Games and Katauri Interactive and published by Fulqrum Publishing. Released on October 17th 2013 has received 6,610 reviews of which 6,242 were positive and 368 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 90% discount, this title has earned the #6 position in the best deals for games like Gratuitous Space Battles.
9.1
6,242
368
-90%
15.30€
1.53€
7. Hardspace: Shipbreaker
Similarity 50% 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 20,217 reviews of which 18,089 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 #7 position in the best deals for games like Gratuitous Space Battles.
8.8
18,089
2,128
-89%
36.18€
3.98€
8. Prison Architect
Similarity 56% Only the world’s most ruthless Warden can contain the world’s most ruthless inmates. Design and develop your personalized penitentiary in Prison Architect. Prison Architect is a simulation, building and sandbox game developed by Double Eleven and Introversion Software and published by Paradox Interactive. Released on October 06th 2015 has received 72,036 reviews of which 64,202 were positive and 7,834 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 88% discount, this title has earned the #8 position in the best deals for games like Gratuitous Space Battles.
8.8
64,202
7,834
-88%
25.83€
3.10€
9. Convoy
Similarity 51% Convoy is a tactical roguelike-like inspired by Mad Max and FTL in which you cross a wasteland in search of parts for your broken ship. Presented in pixel art and set in a future post-apocalyptic setting, Convoy is a squad based tactical combat roguelike-like in its core. Convoy is a pixel graphics, vehicular combat and strategy game developed by Convoy Games and published by Indietopia Games . Released on April 21st 2015 has received 1,431 reviews of which 1,123 were positive and 308 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 88% discount, this title has earned the #9 position in the best deals for games like Gratuitous Space Battles.
7.5
1,123
308
-88%
13.00€
1.56€
10. Infested Planet
Similarity 50% Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy. Infested Planet is a strategy, tower defense and action game developed and published by Rocket Bear Games. Released on March 06th 2014 has received 2,945 reviews of which 2,756 were positive and 189 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 87% discount, this title has earned the #10 position in the best deals for games like Gratuitous Space Battles.
9.0
2,756
189
-87%
12.49€
1.62€
Free games like Gratuitous Space Battles on Steam
Check out this fantastic list of free-to-play games like Gratuitous Space Battles you can enjoy on Steam right now, updated on April 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Gratuitous Space Battles.
1. Pixel Starships
Similarity 50% 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. With 192 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Gratuitous Space Battles.
7.1
1,976
708
192
players
2. Endless Sky
Similarity 65% 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. Thanks to its free to play tag and a daily player base of 110, this game has secured the #2 spot in the ranking of free games like Gratuitous Space Battles.
8.9
6,074
505
110
players
3. Simutrans
Similarity 50% Simutrans is a freeware and open-source transportation simulator. Your goal is to establish a successful transport company. Transport passengers, mail and goods by rail, road, ship, and even air. Interconnect districts, cities, public buildings, industries and tourist attractions. Simutrans is a simulation, free to play and trains game developed and published by The Simutrans Team. Released on May 24th 2016 has received 616 reviews of which 465 were positive and 151 were negative resulting in a rating of 7.2 out of 10. The game currently holds the #3 spot among the most played free games like Gratuitous Space Battles.
7.2
465
151
21
players
4. Planet S
Similarity 51% 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 #4 spot among the most played free games like Gratuitous Space Battles.
8.8
2,352
213
17
players
5. Istrolid
Similarity 62% In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers. Istrolid is a free to play, building and strategy game developed and published by treeform. Released on May 06th 2016 has received 2,658 reviews of which 2,322 were positive and 336 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #5 spot among the most played free games like Gratuitous Space Battles.
8.4
2,322
336
4
players
6. Destination Sol
Similarity 52% Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter! Destination Sol is a free to play, rpg and indie game developed and published by MovingBlocks. Released on February 05th 2015 has received 1,356 reviews of which 1,071 were positive and 285 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #6 spot among the most played free games like Gratuitous Space Battles.
7.6
1,071
285
2
players