Games like Istrolid on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Istrolid are available at the bottom of the page.
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Gratuitous Space Battles
Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.
Destination Sol
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!
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.
Star Realms
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!
King Arthur's Gold
Would you enjoy building CASTLES, traps and siege machines in MULTIPLAYER? And then undermine your opponents castle and collapse it with 2D PHYSICS & DESTRUCTION?
SimAirport
Build & Manage Your Airport. An International Hub or a Regional Masterpiece -- it's up to you. Buy more land to scale out, or escalators to scale up with MULTIPLE FLOORS. You're in full control in this modern business management tycoon!
Kingdom Wars
Kingdom Wars is a free to play 3D MMORTS with real-time siege combat, without the pay to win element so common in the genre. Kingdom Wars offers beautiful 3D online world, where players construct strongholds, direct citizens, complete quests and eventually manage a global empire.
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.
Simutrans
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.
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.
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!
Bloons TD Battles
Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 5, this all new Battles game is specially designed for multiplayer combat, featuring the ability to control bloons directly and send them charging past your opponent's defenses.
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.
Hades' Star
A unique space strategy game where thousands of players participate in one shared galaxy.
OpenTTD
OpenTTD is a business simulation game in which players earn money by transporting passengers and cargo via road, rail, water, and air. It is an open-source remake and expansion of the 1995 Chris Sawyer video game Transport Tycoon Deluxe.
Robocraft
Build insane, fully customisable robot battle vehicles that drive, hover, walk and fly in the free-to-play action game Robocraft. Add weapons from the future and jump in the driving seat as you take your creation into battle against other players online!
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!
Planetary Annihilation: TITANS
Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!
Planetbase
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
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.
Pixel Worlds: MMO Sandbox
Award winning indie game studio Kukouri welcomes you to our multiplatform MMO sandbox: Pixel Worlds! (” Best Indie Game Developer ” Global Mobile Game Awards 2019) Play free with friends, create your own worlds and stories. Fight off the enemies and get awesome items in this award winning indie MMO!
Anno 2205™
In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.Most played games like Istrolid on Steam
Take a look at the top games like Istrolid 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 Istrolid, thanks to its 35,684 peak concurrent players over the last day.
9.7
203,071
4,214
35,684
players
2. Satisfactory
Similarity 60% Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven! Satisfactory is a base-building, automation and open world game developed by Coffee Stain Studios and published by Coffee Stain Publishing. Released on September 10th 2024 has received 227,499 reviews of which 220,958 were positive and 6,541 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 26,621 players online at once in the last 24 hours, this game is currently ranked #2 among games like Istrolid based on player count.
9.6
220,958
6,541
26,621
players
3. Factorio
Similarity 62% Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you. Factorio is a automation, base-building and resource management game developed and published by Wube Software LTD.. Released on August 14th 2020 has received 212,622 reviews of which 206,226 were positive and 6,396 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 23,861 players online at once in the last 24 hours, this game is currently ranked #3 among games like Istrolid based on player count.
9.6
206,226
6,396
23,861
players
4. Oxygen Not Included
Similarity 72% 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. With 13,414 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Istrolid.
9.5
123,019
4,126
13,414
players
5. Dyson Sphere Program
Similarity 65% 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. With 5,796 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Istrolid.
9.6
82,585
1,979
5,796
players
6. ASTRONEER
Similarity 59% 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 5,230 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Istrolid.
9.1
117,817
10,039
5,230
players
7. Space Engineers
Similarity 72% 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 #7 spot among the most played games like Istrolid.
8.7
116,631
15,096
4,309
players
8. Cell to Singularity - Evolution Never Ends
Similarity 59% The epic story of evolution, technology, humanity, and dinosaurs is yours to tap. Cell to Singularity - Evolution Never Ends is a clicker, free to play and simulation game developed and published by Computer Lunch. Released on November 03rd 2021 has received 23,288 reviews of which 20,937 were positive and 2,351 were negative resulting in a rating of 8.8 out of 10. With 3,887 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Istrolid.
8.8
20,937
2,351
3,887
players
9. Kerbal Space Program
Similarity 58% 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 #9 spot among the most played games like Istrolid.
9.4
120,127
6,088
3,278
players
10. Empyrion - Galactic Survival
Similarity 62% Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion! Empyrion - Galactic Survival is a simulation, co-op and open world survival craft game developed and published by Eleon Game Studios. Released on August 05th 2020 has received 33,097 reviews of which 26,084 were positive and 7,013 were negative resulting in a rating of 7.8 out of 10. With 1,952 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Istrolid.
7.8
26,084
7,013
1,952
players
Best deals on games like Istrolid on Steam
Discover fantastic savings with the best discounts on a variety of games like Istrolid 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 Istrolid.
1. Distant Worlds: Universe
Similarity 58% 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. Featuring a massive 92% discount, this game currently holds the #1 spot in the best deals for games like Istrolid.
7.3
1,375
440
-92%
28.00€
2.24€
2. SPACECOM
Similarity 61% SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat. SPACECOM is a rts, strategy and indie game developed by Flow Combine and published by 11 bit studios. Released on September 17th 2014 has received 514 reviews of which 353 were positive and 161 were negative resulting in a rating of 6.6 out of 10. Thanks to its incredible 85% discount, this game is now the #2 best deal in games like Istrolid.
6.6
353
161
-85%
9.99€
1.49€
3. Blockstorm
Similarity 58% Blockstorm is a FPS game set in a world made of destructible blocks. All maps and characters included in the game are made with the same tools that are available to the public. You can build everything in Blockstorm, and you can destroy it. Blockstorm is a action, fps and multiplayer game developed by GhostShark and published by IndieGala. Released on May 21st 2015 has received 6,378 reviews of which 5,104 were positive and 1,274 were negative resulting in a rating of 7.8 out of 10.
7.8
5,104
1,274
4. Craft The World
Similarity 58% Craft The World is a unique sandbox strategy game, the mix of Dungeon Keeper, Terraria and Dwarf Fortress.Explore a random generated world populated by dangerous creatures, build a dwarf fortress, gather resources, and craft all the items, weapons, and armor you need. Craft The World is a colony sim, crafting and dwarf game developed by Dekovir Entertainment and published by Black Maple Games. Released on November 24th 2014 has received 15,833 reviews of which 14,017 were positive and 1,816 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 79% discount, this title has earned the #4 position in the best deals for games like Istrolid.
8.6
14,017
1,816
-79%
18.29€
3.84€
5. ASTRONEER
Similarity 59% 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. Currently offered at a significant 73% discount, this title has earned the #5 position in the best deals for games like Istrolid.
9.1
117,817
10,039
-73%
30.48€
8.23€
6. One Lonely Outpost
Similarity 58% An alien world sometimes needs a farmer’s touch to bring it to life. In this sci-fi, colonization-life sim, terraform a barren world: turn wastelands into verdant landscapes while exploring, farming, building, and unlocking all the mysteries of this strange new planet. One Lonely Outpost is a farming sim, colony sim and indie game developed and published by indie.io. Released on March 06th 2025 has received 556 reviews of which 363 were positive and 193 were negative resulting in a rating of 6.3 out of 10. Currently offered at a significant 72% discount, this title has earned the #6 position in the best deals for games like Istrolid.
6.3
363
193
-72%
18.54€
5.19€
7. Creeper World 4
Similarity 61% 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. Creeper World 4 is a tower defense, wargame and real time tactics game developed and published by Knuckle Cracker. Released on December 03rd 2020 has received 4,280 reviews of which 4,077 were positive and 203 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 70% discount, this title has earned the #7 position in the best deals for games like Istrolid.
9.2
4,077
203
-70%
20.99€
6.29€
8. 8-Bit Hordes
Similarity 58% From the team that brought you 8-Bit Armies comes a new fantasy RTS as fast-paced and friendly as the original! 8-BIT HORDES is a colorful strategy-arcade game that is easy to learn for players of all skill levels. Collect resources, build up and defend your base, amass your army of orcs or humans and ultimately crush your opponents! 8-Bit Hordes is a strategy, indie and rts game developed and published by Petroglyph. Released on August 12th 2016 has received 524 reviews of which 428 were positive and 96 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 70% discount, this title has earned the #8 position in the best deals for games like Istrolid.
7.7
428
96
-70%
14.57€
4.37€
9. Deep Space Battle Simulator
Similarity 58% Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter! Deep Space Battle Simulator is a action, multiplayer and strategy game developed and published by yeswecamp. Released on November 05th 2021 has received 395 reviews of which 312 were positive and 83 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 70% discount, this title has earned the #9 position in the best deals for games like Istrolid.
7.4
312
83
-70%
9.99€
2.99€
10. Keplerth
Similarity 58% Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure! Keplerth is a adventure, sandbox and exploration game developed by taro and published by Gamera Games. Released on May 23rd 2022 has received 4,003 reviews of which 3,405 were positive and 598 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 67% discount, this title has earned the #10 position in the best deals for games like Istrolid.
8.2
3,405
598
-67%
12.61€
4.16€
Free games like Istrolid on Steam
Check out this fantastic list of free-to-play games like Istrolid 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 Istrolid.
1. Cell to Singularity - Evolution Never Ends
Similarity 59% The epic story of evolution, technology, humanity, and dinosaurs is yours to tap. Cell to Singularity - Evolution Never Ends is a clicker, free to play and simulation game developed and published by Computer Lunch. Released on November 03rd 2021 has received 23,288 reviews of which 20,937 were positive and 2,351 were negative resulting in a rating of 8.8 out of 10. With 3,887 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Istrolid.
8.8
20,937
2,351
3,887
players
2. Fallout Shelter
Similarity 64% Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland. Fallout Shelter is a free to play, base-building and survival game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on March 29th 2017 has received 73,710 reviews of which 65,209 were positive and 8,501 were negative resulting in a rating of 8.7 out of 10. Thanks to its free to play tag and a daily player base of 1,524, this game has secured the #2 spot in the ranking of free games like Istrolid.
8.7
65,209
8,501
1,524
players
3. Mr.Mine
Similarity 58% Explore the depths of the earth and uncover hidden treasures in this addictive idle mining game. Unlock the power of your drill with hundreds of upgrades, discover mysterious relics, and unearth priceless gems. Can you master the mines and reveal their deepest secrets? Dive in and dig deep! Mr.Mine is a idler, clicker and strategy game developed and published by Playsaurus. Released on September 30th 2020 has received 16,877 reviews of which 15,520 were positive and 1,357 were negative resulting in a rating of 9.0 out of 10. Thanks to its free to play tag and a daily player base of 1,260, this game has secured the #3 spot in the ranking of free games like Istrolid.
9.0
15,520
1,357
1,260
players
4. Realm Grinder
Similarity 65% Grow your realm, build alliances, and explore one of the deepest idle RPGs ever! Realm Grinder is a free to play, clicker and pixel graphics game developed by Divine Games and published by Kongregate. Released on June 15th 2017 has received 7,027 reviews of which 6,120 were positive and 907 were negative resulting in a rating of 8.5 out of 10. Attracting a solid base of 923 players due to its free access, this strategy game has achieved the #4 position in the best free games like Istrolid.
8.5
6,120
907
923
players
5. OpenTTD
Similarity 69% OpenTTD is a business simulation game in which players earn money by transporting passengers and cargo via road, rail, water, and air. It is an open-source remake and expansion of the 1995 Chris Sawyer video game Transport Tycoon Deluxe. OpenTTD is a simulation, building and free to play game developed and published by OpenTTD. Released on April 01st 2021 has received 14,119 reviews of which 13,577 were positive and 542 were negative resulting in an impressive rating of 9.4 out of 10. Attracting a solid base of 749 players due to its free access, this strategy game has achieved the #5 position in the best free games like Istrolid.
9.4
13,577
542
749
players
6. Stronghold Kingdoms
Similarity 58% A massively multiplayer grand strategy game, Stronghold Kingdoms is about forging alliances, political mind games, city-building and castle sieges with thousands of other players! Stronghold Kingdoms is a strategy, free to play and medieval game developed and published by FireFly Studios. Released on February 27th 2012 has received 9,298 reviews of which 5,950 were positive and 3,348 were negative resulting in a rating of 6.3 out of 10. Attracting a solid base of 384 players due to its free access, this strategy game has achieved the #6 position in the best free games like Istrolid.
6.3
5,950
3,348
384
players
7. Bloons TD Battles
Similarity 71% Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 5, this all new Battles game is specially designed for multiplayer combat, featuring the ability to control bloons directly and send them charging past your opponent's defenses. Bloons TD Battles is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on April 20th 2016 has received 29,074 reviews of which 26,383 were positive and 2,691 were negative resulting in a rating of 8.9 out of 10. Attracting a solid base of 263 players due to its free access, this strategy game has achieved the #7 position in the best free games like Istrolid.
8.9
26,383
2,691
263
players
8. Idle Spiral
Similarity 58% This is a beautiful "Idle", "Incremental" game based on spirals and mathematics. Your goal is to make the spiral grow farther and farther from the origin. The game is very simple, but it is very deep and can be enjoyed for a long time! Idle Spiral is a idler, simulation and clicker game developed by Idle System, Inc. and Yayu and published by Idle System and Inc.. Released on April 30th 2022 has received 1,743 reviews of which 1,416 were positive and 327 were negative resulting in a rating of 7.8 out of 10. Attracting a solid base of 257 players due to its free access, this strategy game has achieved the #8 position in the best free games like Istrolid.
7.8
1,416
327
257
players
9. Pixel Starships
Similarity 75% 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 192 players due to its free access, this strategy game has achieved the #9 position in the best free games like Istrolid.
7.1
1,976
708
192
players
10. Hades' Star
Similarity 70% 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 184 players due to its free access, this strategy game has achieved the #10 position in the best free games like Istrolid.
7.1
1,861
697
184
players