Games like Astro Colony on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Astro Colony are available at the bottom of the page.

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Mindustry An open-ended factory management game with RTS and tower defense elements.

Similarity 58%
Price -76% 2.43€
Rating 9.4
Release 26 Sep 2019
Evospace Contribute to the colonization of the universe. Get and process resources, develop your technologies. Achieve complete automation and build a portal to include another planet in the chain of worlds.

Similarity 56%
Price 12.49€
Rating 7.8
Release 14 Feb 2019
Ostriv Ostriv is a city-building game that puts you in a role of a governor of an 18th century Ukrainian town to challenge your creative skills and management abilities.

Similarity 56%
Price 20.99€
Rating 9.2
Release 19 Mar 2020
Mob Factory Mob factory is an tower defense and automation game for the lazy adventurer. Smelt down enemy loot into turrets & factories to automate an ever expanding dungeon from the comfort of your tower.

Similarity 56%
Price 14.79€
Rating 6.8
Release 09 Nov 2023
Eden Crafters Embark on a journey of survival, crafting, and automation in Eden Crafters, a solo and co-op open-world game that challenges you to turn a hostile planet into a habitable haven for humanity. Temper the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!

Similarity 55%
Price 19.50€
Rating 8.3
Release 16 Oct 2024
IXION IXION is an unrelenting, city-building odyssey across the stars. As Administrator of the Tiqqun, DOLOS’ prototype space station, you are tasked with balancing preservation and exploration as you manage infrastructure, resources and crew. Can you keep the flame of humanity alight in the cold dark?

Similarity 55%
Price -75% 8.64€
Rating 7.7
Release 07 Dec 2022
shapez shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!

Similarity 54%
Price -91% 0.92€
Rating 9.4
Release 07 Jun 2020
Desynced Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.

Similarity 54%
Price -49% 14.83€
Rating 7.9
Release 15 Aug 2023
Satisfactory 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!

Similarity 54%
Price -43% 22.51€
Rating 9.6
Release 10 Sep 2024
First Feudal Become a real medieval feudal lord: start with a small village and build it up into an enormous impenetrable castle. You will have to repel enemy raids: hide behind thick walls, lure your enemies into strategically placed traps, and even lead your loyal peasants into battle.

Similarity 54%
Price 18.49€
Rating 7.3
Release 08 Apr 2021
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.

Similarity 54%
Price 19.99€
Rating 6.3
Release 20 Nov 2014
Autonauts In Autonauts you must build, create, and automate. Start by establishing a colony, crafting bots and teaching them via Scratch-style programming to build an ever evolving autonomous paradise of agriculture, industry and enlightenment.

Similarity 54%
Price -98% 0.43€
Rating 8.6
Release 17 Oct 2019
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.

Similarity 53%
Price -70% 6.89€
Rating 9.5
Release 30 Jul 2019
Beltmatic Beltmatic is a casual factory game where you combine numbers using mathematical operations.

Similarity 53%
Price 6.99€
Rating 9.0
Release 29 Mar 2024
Rec Center Tycoon - Management Simulator Design, build and manage a recreation center! Host fitness classes, build swimming pools, arcade & entertainment areas, build event rooms to host parties & much more. With endless customisation, Rec Center Tycoon goes much more in-depth than your average business management simulator.

Similarity 53%
Price 9.99€
Rating 7.2
Release 06 Sep 2019
Oxygen: First Breath This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running!

Similarity 53%
Price Free to play
Rating 8.6
Release 07 Oct 2022
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.

Similarity 52%
Price 8.19€
Rating 8.0
Release 30 Mar 2023
The Final Earth 2 The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?

Similarity 52%
Price 9.75€
Rating 8.9
Release 15 Jul 2022
AutoForge A 2D automation sandbox adventure. Build an automated factory with Mana-powered machines, progress through an expansive tech tree, explore a vast and wonderful world, upgrade yourself with ancient technologies, and defend it all from invasions.

Similarity 52%
Price 19.50€
Rating 8.2
Release 27 Mar 2024
Breachway Explore the galaxy in this deckbuilding, sci-fi roguelike where ship upgrades and crew management are key to your survival. Optimize resource generation, engage in intense turn-based battles, and take on ever-growing threats as you seek out The Signal.

Similarity 52%
Price -49% 10.28€
Rating 7.3
Release 26 Sep 2024
Occupy Mars: The Game Survive and colonize Mars in a highly technical, open-world sandbox game. Build and upgrade your base, discover new regions, conduct mining operations, retrieve water, generate oxygen, grow crops, and fix broken parts.

Similarity 52%
Price -76% 5.92€
Rating 7.1
Release 10 May 2023
shapez 2 Dive into a factory-building game with the focus on just that – building huge space factories! Construct sprawling multi-level factories and satisfying production lines without limits. Tackle increasingly complex automation challenges at your own pace – you won’t have to worry about enemies.

Similarity 52%
Price -56% 10.73€
Rating 9.5
Release 15 Aug 2024
Laysara: Summit Kingdom Build and expand your very own settlements in high mountains! Carefully plan production chains and satisfy various needs of your three-caste society while dealing with mountain hazards such as weather breakdowns and avalanches. Are you skilled enough to make your town thrive?

Similarity 51%
Price 19.50€
Rating 7.9
Release 10 Apr 2024
Founders' Fortune A fantasy village builder focusing on creative building, colonist psychology and base defense. Handle resources, farming, production, tools, diplomacy, families, trading, defense, and research, as well as the wishes, expectations, thoughts, and equipment of every villager.

Similarity 51%
Price -99% 0.26€
Rating 7.7
Release 18 Dec 2020

Most played games like Astro Colony on Steam

Take a look at the top games like Astro Colony that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.

1. RimWorld

Similarity 42% 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 210,517 reviews of which 206,216 were positive and 4,301 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 Astro Colony, thanks to its 19,211 peak concurrent players over the last day.
9.7
206,216
4,301

19,211
players

2. Factorio

Similarity 58% 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 215,209 reviews of which 208,770 were positive and 6,439 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 16,426 players online at once in the last 24 hours, this game is currently ranked #2 among games like Astro Colony based on player count.
9.6
208,770
6,439

16,426
players

3. Satisfactory

Similarity 54% 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 232,064 reviews of which 225,479 were positive and 6,585 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 12,596 players online at once in the last 24 hours, this game is currently ranked #3 among games like Astro Colony based on player count.
9.6
225,479
6,585

12,596
players

4. Oxygen Not Included

Similarity 53% 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 128,390 reviews of which 124,220 were positive and 4,170 were negative resulting in an impressive rating of 9.5 out of 10. With 7,545 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Astro Colony.
9.5
124,220
4,170

7,545
players

5. Age of Empires IV: Anniversary Edition

Similarity 40% Celebrating its first year of delighting millions of global players, the award-winning and best-selling strategy franchise continues with Age of Empires IV: Anniversary Edition, putting you at the center of even more epic historical battles that shaped the world. Age of Empires IV: Anniversary Edition is a strategy, rts and base-building game developed by Relic Entertainment, Forgotten Empires, Climax Studios and World's Edge and published by Xbox Game Studios. Released on October 28th 2021 has received 80,870 reviews of which 69,559 were positive and 11,311 were negative resulting in a rating of 8.5 out of 10. With 7,084 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Astro Colony.
8.5
69,559
11,311

7,084
players

6. Captain of Industry

Similarity 59% Land your crew of survivors on an abandoned island and survive! Mine raw materials, grow food, build factories, manufacture products, research new tech, and trade with others. Become an industrial superpower! But this is no easy task, you will be put to the test to keep your settlement alive. Captain of Industry is a base-building, automation and resource management game developed and published by MaFi Games. Released on May 31st 2022 has received 7,154 reviews of which 6,737 were positive and 417 were negative resulting in an impressive rating of 9.1 out of 10. With 4,404 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Astro Colony.
9.1
6,737
417

4,404
players

7. Dyson Sphere Program

Similarity 73% 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 Gamirror Games. Released on January 20th 2021 has received 85,088 reviews of which 83,095 were positive and 1,993 were negative resulting in an impressive rating of 9.6 out of 10. With 2,703 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Astro Colony.
9.6
83,095
1,993

2,703
players

8. Workers & Resources: Soviet Republic

Similarity 47% Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity. Workers & Resources: Soviet Republic is a strategy, simulation and city builder game developed by 3Division and published by Hooded Horse. Released on June 20th 2024 has received 22,175 reviews of which 20,192 were positive and 1,983 were negative resulting in a rating of 8.9 out of 10. With 2,590 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Astro Colony.
8.9
20,192
1,983

2,590
players

9. shapez 2

Similarity 52% Dive into a factory-building game with the focus on just that – building huge space factories! Construct sprawling multi-level factories and satisfying production lines without limits. Tackle increasingly complex automation challenges at your own pace – you won’t have to worry about enemies. shapez 2 is a management, strategy and automation game developed by tobspr Games and published by tobspr Games and Gamirror Games. Released on August 15th 2024 has received 11,061 reviews of which 10,856 were positive and 205 were negative resulting in an impressive rating of 9.5 out of 10. With 2,399 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Astro Colony.
9.5
10,856
205

2,399
players

10. Northgard

Similarity 43% Northgard is a critically acclaimed strategy game based on Norse mythology. Lead your clan, uncover the secrets of a mysterious newfound continent and defeat your enemies to conquer the Throne! Northgard is a strategy, city builder and simulation game developed and published by Shiro Games. Released on March 07th 2018 has received 64,695 reviews of which 55,844 were positive and 8,851 were negative resulting in a rating of 8.5 out of 10. With 1,164 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Astro Colony.
8.5
55,844
8,851

1,164
players

Best deals on games like Astro Colony on Steam

Discover fantastic savings with the best discounts on a variety of games like Astro Colony available on Steam right now, updated on June 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Astro Colony.

1. Nova Lands

Similarity 49% Nova Lands is a factory building, exploration, and island management game. Explore, engage in combat, and automate your industry. The planet you’re on is full of mysteries, creatures, people, and things to do. Welcome to your new home amongst the stars! Nova Lands is a automation, base-building and sandbox game developed by BEHEMUTT and published by HypeTrain Digital. Released on June 22nd 2023 has received 2,823 reviews of which 2,546 were positive and 277 were negative resulting in a rating of 8.7 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Astro Colony.
8.7
2,546
277

-99% 19.99€ 0.37€

2. EarthX

Similarity 51% EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars! EarthX is a simulation, indie and strategy game developed by Denis and Ry and published by Mesote Games. Released on July 12th 2023 has received 875 reviews of which 769 were positive and 106 were negative resulting in a rating of 8.3 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Astro Colony.
8.3
769
106

-99% 19.99€ 0.29€

3. Founders' Fortune

Similarity 51% A fantasy village builder focusing on creative building, colonist psychology and base defense. Handle resources, farming, production, tools, diplomacy, families, trading, defense, and research, as well as the wishes, expectations, thoughts, and equipment of every villager. Founders' Fortune is a colony sim, base-building and city builder game developed and published by Dionic Software. Released on December 18th 2020 has received 2,114 reviews of which 1,699 were positive and 415 were negative resulting in a rating of 7.7 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Astro Colony.
7.7
1,699
415

-99% 18.99€ 0.26€

4. InfraSpace

Similarity 48% 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 1,667 reviews of which 1,333 were positive and 334 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Astro Colony.
7.7
1,333
334

-99% 19.99€ 0.39€

5. Honey, I Joined a Cult

Similarity 47% It's time to start working towards that ultimate goal of enlightenment, faith and money…lots and lots of money! Become the ultimate tycoon - create, customise, and manage your own cult whilst listening to funky music. Welcome to Honey, I Joined a Cult! Honey, I Joined a Cult is a simulation, base-building and resource management game developed by Sole Survivor Games and published by Team17. Released on November 03rd 2022 has received 1,732 reviews of which 1,279 were positive and 453 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #5 position in the best deals for games like Astro Colony.
7.1
1,279
453

-99% 21.99€ 0.40€

6. Aven Colony

Similarity 49% Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world. Aven Colony is a colony sim, city builder and strategy game developed by Mothership Entertainment LLC and published by Team17 Digital Ltd. Released on July 25th 2017 has received 2,638 reviews of which 1,921 were positive and 717 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #6 position in the best deals for games like Astro Colony.
7.1
1,921
717

-99% 29.99€ 0.47€

7. Autonauts

Similarity 54% In Autonauts you must build, create, and automate. Start by establishing a colony, crafting bots and teaching them via Scratch-style programming to build an ever evolving autonomous paradise of agriculture, industry and enlightenment. Autonauts is a simulation, programming and automation game developed by Denki and published by Curve Games. Released on October 17th 2019 has received 4,785 reviews of which 4,283 were positive and 502 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Astro Colony.
8.6
4,283
502

-98% 19.99€ 0.43€

8. Tin Can

Similarity 44% 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 1,198 reviews of which 1,015 were positive and 183 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Astro Colony.
8.1
1,015
183

-98% 17.99€ 0.46€

9. Autonauts vs Piratebots

Similarity 42% Create, automate and defend an impenetrable base. Assemble and command a Bot army to combat an entire Piratebot invasion. Build, program and battle your way through five different zones. Autonauts vs Piratebots is a simulation, strategy and automation game developed by Denki and published by Curve Games. Released on July 28th 2022 has received 485 reviews of which 382 were positive and 103 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Astro Colony.
7.4
382
103

-98% 19.99€ 0.43€

10. Buzz Aldrin's Space Program Manager

Similarity 43% Space Program Manager (SPM) is the ultimate game of space exploration. It is the mid 1950s and the race for dominance between the US and the Soviet Union is about to move into a new dimension: space. Buzz Aldrin's Space Program Manager is a simulation, strategy and space game developed by Polar Motion and published by Slitherine Ltd.. Released on October 31st 2014 has received 479 reviews of which 369 were positive and 110 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Astro Colony.
7.3
369
110

-98% 28.99€ 0.77€

Free games like Astro Colony on Steam

Check out this fantastic list of free-to-play games like Astro Colony you can enjoy on Steam right now, updated on June 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Astro Colony.

1. Galaxy Idle Clicker

Similarity 43% 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 early access, free to play and indie game developed by Soehnle and published by TimeLost Gaming. Released on July 18th 2024 has received 675 reviews of which 508 were positive and 167 were negative resulting in a rating of 7.2 out of 10. With 1,063 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Astro Colony.
7.2
508
167

1,063
players

2. The Perfect Tower II

Similarity 40% The Perfect Tower II is a mix between an incremental and a tower defense game. Build a town, manage resources and explore a variety of mini-games and tons of upgrades. Fully automate your game and watch numbers going up! The Perfect Tower II is a strategy, idler and tower defense game developed and published by Fire Sword Studios. Released on February 26th 2021 has received 3,639 reviews of which 3,201 were positive and 438 were negative resulting in a rating of 8.5 out of 10. Thanks to its free to play tag and a daily player base of 491, this game has secured the #2 spot in the ranking of free games like Astro Colony.
8.5
3,201
438

491
players

3. CivIdle

Similarity 42% CivIdle is an idle/incremental game that allows you to lead your own civilization through thousands of years from ancient times to the modern era. Expand your territory, explore a vast tech tree, build various wonders, and trade with global players: empire must grow and numbers must go up! CivIdle is a early access, idler and base building game developed by FishPond and published by Fish Pond Studio. Released on February 16th 2024 has received 636 reviews of which 480 were positive and 156 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 220, this game has secured the #3 spot in the ranking of free games like Astro Colony.
7.2
480
156

220
players

4. Pixel Starships

Similarity 42% 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 2,732 reviews of which 2,008 were positive and 724 were negative resulting in a rating of 7.1 out of 10. Attracting a solid base of 163 players due to its free access, this strategy game has achieved the #4 position in the best free games like Astro Colony.
7.1
2,008
724

163
players

5. Idle Research

Similarity 41% Idle Research is an addictive, resource management, incremental game with both idle and active playstyles. Research and craft colorful Flasks and Tubes to earn as much Energy as possible! Big numbers guaranteed. Idle Research is a idler, clicker and free to play game developed by Considera Games LLC and published by Considera Core LLC. Released on July 31st 2022 has received 1,702 reviews of which 1,443 were positive and 259 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #5 spot among the most played free games like Astro Colony.
8.1
1,443
259

81
players

6. Industry Idle

Similarity 43% Industry Idle is an idle game that combines factory building, resource management and market trading. Design & build your base, expand & scale up your productions, improve & optimize your economy. Plus all the incremental game goodies: offline earnings, prestige to unlock more powerful upgrades. Industry Idle is a automation, idler and resource management game developed by FishPond and published by Fish Pond Studio. Released on September 13th 2024 has received 1,360 reviews of which 1,058 were positive and 302 were negative resulting in a rating of 7.5 out of 10. The game currently holds the #6 spot among the most played free games like Astro Colony.
7.5
1,058
302

46
players

7. Kingdom: Classic

Similarity 40% Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic. Kingdom: Classic is a free to play, strategy and singleplayer game developed by Noio and Licorice and published by Raw Fury. Released on October 21st 2015 has received 22,088 reviews of which 20,023 were positive and 2,065 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #7 spot among the most played free games like Astro Colony.
8.9
20,023
2,065

40
players

8. Oxygen: First Breath

Similarity 53% This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running! Oxygen: First Breath is a strategy, base-building and city builder game developed by Turquoise Revival Games and published by GrabTheGames and UpgradePoint. Released on October 07th 2022 has received 1,594 reviews of which 1,432 were positive and 162 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #8 spot among the most played free games like Astro Colony.
8.6
1,432
162

7
players

9. Istrolid

Similarity 40% 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 2,662 reviews of which 2,325 were positive and 337 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #9 spot among the most played free games like Astro Colony.
8.4
2,325
337

6
players

10. Prismata

Similarity 40% 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 1,187 reviews of which 970 were positive and 217 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #10 spot among the most played free games like Astro Colony.
7.8
970
217

6
players