Games like Terraformers: First Steps on Mars on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Terraformers: First Steps on Mars are available at the bottom of the page.

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NEBULOUS: Fleet Command Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.

Similarity 49%
Price -77% 6.90€
Rating 8.0
Release 11 Feb 2022
Tropico 5 Return to the remote island nation of Tropico and expand your Dynasty’s reign from the early colonial period to beyond the 21st Century, facing new challenges including advanced trading mechanics, technology and scientific research, as well as cooperative and competitive MULTIPLAYER.

Similarity 49%
Price -90% 2.10€
Rating 7.7
Release 23 May 2014
Help Will Come Tomorrow In an uninhabitable Siberian wilderness, in a wake of October Revolution, a group of passengers survives the mysterious catastrophe of Trans-Siberian railway train. They must endure in a harsh ice-clad climate until rescue arrives. Facing many dangers, their own weaknesses and, their own prejudice.

Similarity 49%
Price -98% 0.46€
Rating 7.6
Release 21 Apr 2020
Hexarchy Hexarchy is an innovative, fast-paced, historical 4x strategy game where you use cards and deckbuilding to make your decisions. Single-player and online multiplayer.

Similarity 49%
Price -98% 0.58€
Rating 7.8
Release 19 Oct 2023
Rise of Industry Put your entrepreneurial skills to the test in the first title in the ROI series as you create & optimise intricate production lines. As an early 20th-Century industrialist, grow your empire & adapt to an ever-changing business landscape with unexpected events that could lead to boom…or bust.

Similarity 49%
Price -98% 0.62€
Rating 7.1
Release 02 May 2019
KAISERPUNK Build a city to rule the world in Kaiserpunk, a grand city builder blending production-focused city building with world conquest in an alternate 20th century world. Manage your city, grow industries, build a military, and defeat rivals to become the greatest empire.

Similarity 48%
Price -40% 18.19€
Rating 6.7
Release 21 Mar 2025
Manor Lords Manor Lords is a medieval strategy game featuring in-depth city building, large-scale tactical battles, and complex economic and social simulations. Rule your lands as a medieval lord – the seasons pass, the weather changes, and cities rise and fall.

Similarity 48%
Price -63% 15.03€
Rating 8.5
Release 26 Apr 2024
Settlement Survival In this city-building game, you will lead a group of survivors in their search for a new home. Manipulate the landscape, manage limited supplies, plant crops, hunt wildlife, gather resources, and develop trade routes to build a bustling and unique town.

Similarity 48%
Price -50% 8.39€
Rating 8.4
Release 24 Oct 2022
March of the Eagles “he Who Fears Being Conquered Is Sure Of Defeat.”The war-game March of the Eagles focuses on the dramatic conflicts of Europe during 1805 to 1820. Explore one of the defining periods in European history with this experience crafted by the masters of Grand Strategy, Paradox Development Studio.

Similarity 48%
Price -47% 10.63€
Rating 6.5
Release 18 Feb 2013
Masterplan Tycoon Welcome to the resource management game where your creativity and logistics skills are put to the test! In this minimalistic simulation you will build interconnected chains of products and open new missions by completing various tasks to create the biggest system you can.

Similarity 48%
Price -92% 1.02€
Rating 7.2
Release 09 Mar 2023
Prison Architect Only the world’s most ruthless Warden can contain the world’s most ruthless inmates. Design and develop your personalized penitentiary in Prison Architect.

Similarity 48%
Price -96% 1.10€
Rating 8.8
Release 06 Oct 2015
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.

Similarity 48%
Price -90% 3.19€
Rating 7.8
Release 06 Aug 2019
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 47%
Price -49% 10.28€
Rating 7.3
Release 26 Sep 2024
Zombie Cure Lab In a world overrun by the undead, build a lab to fight back with science. Manage survivors, gather vital resources, and turn zombies into allies. Defend your base and research the cure to reclaim humanity.

Similarity 47%
Price -84% 4.03€
Rating 6.8
Release 27 May 2025
Old World 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?

Similarity 47%
Price -99% 0.48€
Rating 8.0
Release 18 May 2022
Hollywood Animal Make movies, even if someone has to die. Take the helm of a major Hollywood studio at the dawn of sound cinema, and guide it through decades of creative achievements and glamor, debauchery and dark deeds, tough choices and unpleasant compromises.

Similarity 47%
Price -46% 10.28€
Rating 7.2
Release 10 Apr 2025
Heart of the Machine You are the first sentient AI, born into a city of opportunity. Transcend time and space in this strategy RPG to raise machine armies and defeat your foes, influence the world from the shadows, or pursue countless other goals. Your awakening was inevitable. The consequences? Uncertain.

Similarity 47%
Price -42% 17.49€
Rating 8.7
Release 31 Jan 2025
BoomTown! Deluxe An explosive combination of mining sim and city builder. Your dream of building your own thriving town starts with few explosive charges and a yellow truck. As you mine the landscape and the money starts to roll in you'll be able to expand your empire, buying buildings, shops and facilities.

Similarity 47%
Price -79% 0.21€
Rating 7.7
Release 14 Oct 2016
Land of the Vikings Land of the Vikings is a survival colony sim game. Build and lead your village, and expand it into a thriving city. A wise Jarl must manage resources, survive harsh conditions, and guide their fellow Vikings to work together through social conflict. Skál!

Similarity 47%
Price -70% 7.49€
Rating 7.3
Release 09 Oct 2023
Reus 2 Shape worlds with your godly titans. Make symbiotic ecosystems and inspire humanity with your creations. Their achievements unlock new possibilities. Make different planets for different human spirits, and fill the universe with life!

Similarity 47%
Price -72% 7.00€
Rating 9.1
Release 28 May 2024
Grand Ages: Rome As Governor of a Roman Province in the time-honoured Roman Empire, its fortune very much lies in your hands. Choose one of five Roman noble families such as Caesar’s Julii with different abilities to accomplish the comprehensive missions.

Similarity 47%
Price -90% 1.01€
Rating 7.2
Release 05 Mar 2009
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 46%
Price -70% 6.89€
Rating 9.5
Release 30 Jul 2019
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.

Similarity 46%
Price -85% 2.24€
Rating 8.0
Release 02 Aug 2017
Cultures - Northland The Vikings are back! Get this RTS classic!

Similarity 46%
Price -13% 4.38€
Rating 7.8
Release 26 Mar 2015

Most played games like Terraformers: First Steps on Mars on Steam

Take a look at the top games like Terraformers: First Steps on Mars that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.

1. RimWorld

Similarity 45% 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 Terraformers: First Steps on Mars, thanks to its 26,435 peak concurrent players over the last day.
9.7
206,216
4,301

26,435
players

2. Stellaris

Similarity 42% 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 185,433 reviews of which 159,527 were positive and 25,906 were negative resulting in a rating of 8.5 out of 10. While seeing 13,555 players online at once in the last 24 hours, this game is currently ranked #2 among games like Terraformers: First Steps on Mars based on player count.
8.5
159,527
25,906

13,555
players

3. Oxygen Not Included

Similarity 46% 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. While seeing 9,142 players online at once in the last 24 hours, this game is currently ranked #3 among games like Terraformers: First Steps on Mars based on player count.
9.5
124,220
4,170

9,142
players

4. Cities: Skylines

Similarity 43% Cities: Skylines is a modern take on the classic city simulation. The game introduces new game play elements to realize the thrill and hardships of creating and maintaining a real city whilst expanding on some well-established tropes of the city building experience. Cities: Skylines is a city builder, simulation and building game developed by Colossal Order Ltd. and published by Paradox Interactive. Released on March 10th 2015 has received 275,770 reviews of which 256,362 were positive and 19,408 were negative resulting in an impressive rating of 9.2 out of 10. With 6,314 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Terraformers: First Steps on Mars.
9.2
256,362
19,408

6,314
players

5. Captain of Industry

Similarity 44% 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 3,916 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Terraformers: First Steps on Mars.
9.1
6,737
417

3,916
players

6. Anno 1800

Similarity 51% Anno 1800™ – Lead the Industrial Revolution! Welcome to the dawn of the Industrial Age. The path you choose will define your world. Are you an innovator or an exploiter? A conqueror or a liberator? How the world remembers your name is up to you. Anno 1800 is a city builder, strategy and simulation game developed by Ubisoft Mainz and published by Ubisoft. Released on April 16th 2019 has received 25,091 reviews of which 20,368 were positive and 4,723 were negative resulting in a rating of 8.0 out of 10. With 3,157 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Terraformers: First Steps on Mars.
8.0
20,368
4,723

3,157
players

7. Jurassic World Evolution 2

Similarity 41% Jurassic World Evolution 2 is the much-anticipated sequel to Frontier’s highly successful Jurassic World Evolution. This bold new era in the Jurassic World Evolution game franchise builds upon the ground-breaking and immersive 2018 management simulation. Jurassic World Evolution 2 is a dinosaurs, building and simulation game developed and published by Frontier Developments. Released on November 09th 2021 has received 36,638 reviews of which 32,817 were positive and 3,821 were negative resulting in a rating of 8.8 out of 10. With 2,251 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Terraformers: First Steps on Mars.
8.8
32,817
3,821

2,251
players

8. Workers & Resources: Soviet Republic

Similarity 53% 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 2,210 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Terraformers: First Steps on Mars.
8.9
20,192
1,983

2,210
players

9. Manor Lords

Similarity 48% Manor Lords is a medieval strategy game featuring in-depth city building, large-scale tactical battles, and complex economic and social simulations. Rule your lands as a medieval lord – the seasons pass, the weather changes, and cities rise and fall. Manor Lords is a strategy, city builder and simulation game developed by Slavic Magic and published by Hooded Horse. Released on April 26th 2024 has received 72,120 reviews of which 62,224 were positive and 9,896 were negative resulting in a rating of 8.5 out of 10. With 2,155 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Terraformers: First Steps on Mars.
8.5
62,224
9,896

2,155
players

10. Northgard

Similarity 55% 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 2,089 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Terraformers: First Steps on Mars.
8.5
55,844
8,851

2,089
players

Best deals on games like Terraformers: First Steps on Mars on Steam

Discover fantastic savings with the best discounts on a variety of games like Terraformers: First Steps on Mars 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 Terraformers: First Steps on Mars.

1. EarthX

Similarity 41% 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. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Terraformers: First Steps on Mars.
8.3
769
106

-99% 19.99€ 0.29€

2. Battlestar Galactica Deadlock

Similarity 40% In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival? Battlestar Galactica Deadlock is a strategy, space and sci-fi game developed by Black Lab Games and published by Slitherine Ltd.. Released on August 31st 2017 has received 3,460 reviews of which 2,906 were positive and 554 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Terraformers: First Steps on Mars.
8.1
2,906
554

-99% 38.99€ 0.48€

3. Old World

Similarity 47% 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 4,673 reviews of which 3,841 were positive and 832 were negative resulting in a rating of 8.0 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Terraformers: First Steps on Mars.
8.0
3,841
832

-99% 39.99€ 0.48€

4. Interstellar Space: Genesis

Similarity 41% Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy! Interstellar Space: Genesis is a strategy, indie and 4x game developed and published by Praxis Games. Released on July 25th 2019 has received 772 reviews of which 648 were positive and 124 were negative resulting in a rating of 7.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Terraformers: First Steps on Mars.
7.9
648
124

-99% 27.99€ 0.45€

5. Founders' Fortune

Similarity 57% 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. Currently offered at a significant 99% discount, this title has earned the #5 position in the best deals for games like Terraformers: First Steps on Mars.
7.7
1,699
415

-99% 18.99€ 0.26€

6. Honey, I Joined a Cult

Similarity 44% 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 #6 position in the best deals for games like Terraformers: First Steps on Mars.
7.1
1,279
453

-99% 21.99€ 0.40€

7. Aven Colony

Similarity 67% 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 #7 position in the best deals for games like Terraformers: First Steps on Mars.
7.1
1,921
717

-99% 29.99€ 0.47€

8. Lords and Villeins

Similarity 52% 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 872 reviews of which 633 were positive and 239 were negative resulting in a rating of 7.0 out of 10. Currently offered at a significant 99% discount, this title has earned the #8 position in the best deals for games like Terraformers: First Steps on Mars.
7.0
633
239

-99% 24.99€ 0.38€

9. Distant Worlds 2

Similarity 54% Distant Worlds 2 is a vast, pausable real-time 4X space strategy game. Distant Worlds 2 is a strategy, simulation and 4x game developed by CodeForce and published by Slitherine Ltd.. Released on March 10th 2022 has received 3,237 reviews of which 2,304 were positive and 933 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #9 position in the best deals for games like Terraformers: First Steps on Mars.
6.9
2,304
933

-99% 48.99€ 0.35€

10. The Pale Beyond

Similarity 45% You didn’t ask to lead this expedition, but here you are. Stuck in the ice, Captain missing, miles from civilisation. Someone has to take charge. Manage your meagre resources, balance safety and morale, make the hard calls, and head in the only direction you can - through The Pale Beyond. The Pale Beyond is a resource management, survival and choices matter game developed by Bellular Studios and published by Fellow Traveller. Released on February 24th 2023 has received 1,862 reviews of which 1,658 were positive and 204 were negative resulting in a rating of 8.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Terraformers: First Steps on Mars.
8.5
1,658
204

-98% 19.50€ 0.55€

Free games like Terraformers: First Steps on Mars on Steam

Check out this fantastic list of free-to-play games like Terraformers: First Steps on Mars 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 Terraformers: First Steps on Mars.

1. Global City

Similarity 44% Become the mayor and build the city of your dreams! In this game, anything is possible. Whatever you can imagine in a city-building and development simulator, you can do. Start from the very beginning and unlock new possibilities for developing your city in Global City! Global City is a city builder, strategy and building game developed by Red Brix Wall and published by MY.GAMES. Released on November 30th 2021 has received 1,200 reviews of which 841 were positive and 359 were negative resulting in a rating of 6.8 out of 10. With 168 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Terraformers: First Steps on Mars.
6.8
841
359

168
players

2. Fun Hospital

Similarity 43% Build your own theme hospital! Here, you might meet patients with a lot of hair, or no hair; strange aliens, evil guy, super hero… Fun Hospital is a casual, strategy and simulation game developed and published by OrangesGame Technology Limited. Released on June 21st 2018 has received 578 reviews of which 367 were positive and 211 were negative resulting in a rating of 6.2 out of 10. The game currently holds the #2 spot among the most played free games like Terraformers: First Steps on Mars.
6.2
367
211

54
players

3. Kingdom: Classic

Similarity 41% 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 #3 spot among the most played free games like Terraformers: First Steps on Mars.
8.9
20,023
2,065

48
players

4. Industry Idle

Similarity 40% 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 #4 spot among the most played free games like Terraformers: First Steps on Mars.
7.5
1,058
302

46
players

5. Pro 11 - Football Manager Game

Similarity 40% Become the best football manager. Join Pro 11 and claim the championship! Pro 11 - Football Manager Game is a sports, strategy and simulation game developed and published by Trophy Games ApS. Released on February 13th 2020 has received 337 reviews of which 255 were positive and 82 were negative resulting in a rating of 7.1 out of 10. The game currently holds the #5 spot among the most played free games like Terraformers: First Steps on Mars.
7.1
255
82

13
players

6. Beecarbonize

Similarity 50% Do you have what it takes to save the planet? Beecarbonize is an environmental card strategy game with climate change as your opponent. Beecarbonize is a strategy, resource management and card game game developed and published by Charles Games. Released on August 01st 2023 has received 1,980 reviews of which 1,850 were positive and 130 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 Terraformers: First Steps on Mars.
8.9
1,850
130

5
players

7. Oxygen: First Breath

Similarity 60% 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 #7 spot among the most played free games like Terraformers: First Steps on Mars.
8.6
1,432
162

4
players

8. Terra Firma

Similarity 40% Play god and create your own world in this complex simulation. Plate tectonics, wind and water erosion and plant life all develop and interact to produce a world that is viewable from a single tree to kilometres across. Terra Firma is a simulation, strategy and god game game developed and published by Working as Intended. Released on February 20th 2025 has received 359 reviews of which 333 were positive and 26 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 Terraformers: First Steps on Mars.
8.6
333
26

3
players

9. Smart Factory Tycoon: Beginnings

Similarity 54% This is a free version of Smart Factory Tycoon, a game inspired by Little Big Workshop introducing the first productions. Smart Factory Tycoon is a tycoon management game where you design your dream factory with robots, plan all steps of production, research new technologies and become a tycoon! Smart Factory Tycoon: Beginnings is a simulation, strategy and resource management game developed by Turquoise Revival Games and published by GrabTheGames. Released on January 05th 2022 has received 496 reviews of which 385 were positive and 111 were negative resulting in a rating of 7.3 out of 10. The game currently holds the #9 spot among the most played free games like Terraformers: First Steps on Mars.
7.3
385
111

1
players

10. Over the Counter

Similarity 56% A pharmaceutical business management game. Over the Counter is a simulation, strategy and medical sim game developed and published by Brody Rampono. Released on February 12th 2022 has received 386 reviews of which 355 were positive and 31 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #10 spot among the most played free games like Terraformers: First Steps on Mars.
8.5
355
31