Games like Oxygen on Steam

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

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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 64%
Price -98% 0.62€
Rating 7.1
Release 02 May 2019
Patron Patron is a survival city builder with a unique social dynamics system. Gather and produce resources, build your fledgling village into a prosperous city and navigate the intricate social tensions before they reach boiling point.

Similarity 64%
Price -95% 1.16€
Rating 7.1
Release 10 Aug 2021
One Military Camp Build your own military camp, manage the economy, recruit the best candidates and train them to become elite specialists. Send them on missions across the land to end the war once and for all!

Similarity 64%
Price -11% 22.36€
Rating 7.4
Release 20 Jul 2023
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 63%
Price -90% 2.10€
Rating 7.7
Release 23 May 2014
Evil Genius 2: World Domination A satirical spy-fi lair builder where YOU are the criminal mastermind! Construct your base, train your minions, defend your operations from the Forces of Justice, and achieve global domination!

Similarity 63%
Price -95% 2.20€
Rating 6.8
Release 30 Mar 2021
Cities: Skylines 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.

Similarity 63%
Price -84% 4.57€
Rating 9.2
Release 10 Mar 2015
CivCity: Rome CivCity: Rome, an innovative city builder inspired by the world of Sid Meiers Civilization, and created by a collaboration between Firefly Studios and Firaxis Games, invites players to shift focus from building a multi-city empire and zoom-in on the great cities of the Roman Empire, culminating in Rome itself!

Similarity 62%
Price -98% 0.29€
Rating 7.0
Release 06 Apr 2007
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 62%
Price -90% 1.01€
Rating 7.2
Release 05 Mar 2009
Outpath An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!

Similarity 61%
Price -54% 6.94€
Rating 9.0
Release 16 Oct 2023
Urbek City Builder Urbek is a city building game where you can build your own neighbourhoods: from nightlife district to industrial district. Don't exhaust your natural resources before you have an educated population to build more efficient structures.

Similarity 61%
Price -88% 2.22€
Rating 8.6
Release 13 Jul 2022
As Far As The Eye Build a mobile village and travel with your tribe toward the center of the world, called The Eye. This roguelike turn-based resource-management game is made of procedural situations, natural events, skill-trees and hard choices. Ready to move?

Similarity 61%
Price -98% 0.47€
Rating 7.0
Release 10 Sep 2020
Hell Architect Hell Architect is a game about building and managing your own hell. You take on a role of a hell manager and are tasked with developing the underworld in a way that would make Lucifer himself fall off his chair.

Similarity 61%
Price -80% 4.20€
Rating 6.7
Release 18 Aug 2021
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.

Similarity 61%
Price -70% 4.43€
Rating 7.2
Release 09 Mar 2024
Tropico Reloaded TROPICO RELOADED is the ultimate game compilation for hobby-dictators and those dreaming of their own Caribbean island. Tropico combines real-time strategy and simulation elements with a healthy dose of political intrigue and Caribbean flair to create a unique and critically acclaimed game experience.

Similarity 61%
Price -91% 0.69€
Rating 8.3
Release 24 Jul 2009
Honey, I Joined a Cult 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!

Similarity 61%
Price -99% 0.40€
Rating 7.1
Release 03 Nov 2022
Havendock Breathe easy and thrive in this cozy colony sim. Build a haven for castaways, manage resources, live your best life on the ocean. Lead your humble settlement into a high-tech society.

Similarity 60%
Price -98% 0.42€
Rating 8.1
Release 22 Apr 2025
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 60%
Price -40% 18.19€
Rating 6.7
Release 21 Mar 2025
The Crust Automate a lunar base as you become the savior of humanity exploring the future on the moon. Mine, craft, research, and trade resources with Earth in this gripping narrative basebuilder.

Similarity 60%
Price -69% 9.04€
Rating 7.4
Release 15 Jul 2024
Thriving City: Song In 960 A.D., the Zhao Song Dynasty was established. As the mayor, you'll need to help the townspeople settle down, cultivate the land and expand. However, when the emperor issues a national mandate, conflicts between factions threaten city development—what strategy will you adopt?

Similarity 60%
Price -72% 5.32€
Rating 7.8
Release 29 May 2024
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 60%
Price -72% 7.00€
Rating 9.1
Release 28 May 2024
Airborne Kingdom The sky city builder awaits. Create your own flying kingdom and lead it on a quest across an expansive world. Explore the varied landscape, build up a floating metropolis, aid struggling people below, uncover lost secrets and, ultimately, bring back the Airborne Kingdom legend.

Similarity 60%
Price -96% 0.95€
Rating 8.3
Release 07 Mar 2022
Infection Free Zone Choose any real region from the world. Choose your base of operations, then rebuild and readapt the buildings around you to create a self-sustaining settlement. Take charge of a group of survivors from your city. And when the night falls - Defend the zone from the infected!

Similarity 60%
Price -46% 13.52€
Rating 7.7
Release 11 Apr 2024
Lords and Villeins 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!

Similarity 59%
Price -99% 0.38€
Rating 7.0
Release 10 Nov 2022
Black Forest Danger, death, and despair define Black Forest. As the chief of an unlucky village, your goal is to survive. Gather resources, shore up the village, then survive the terrifying night. Maybe you'll hold out long enough for relief to arrive. Maybe not. Are you up to the challenge?

Similarity 59%
Price -80% 2.93€
Rating 7.1
Release 25 Sep 2023

Most played games like Oxygen on Steam

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

1. RimWorld

Similarity 77% 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 Oxygen, thanks to its 26,435 peak concurrent players over the last day.
9.7
206,216
4,301

26,435
players

2. Factorio

Similarity 57% 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 18,640 players online at once in the last 24 hours, this game is currently ranked #2 among games like Oxygen based on player count.
9.6
208,770
6,439

18,640
players

3. Age of Empires II: Definitive Edition

Similarity 50% 42 Civilizations, 229 Campaign Missions, Singleplayer, Co-Op, Multiplayer, In-Game Editor, Mods, Cross-play...It is good to be the king. Age of Empires II: Definitive Edition is a strategy, rts and city builder game developed by Forgotten Empires, Tantalus Media, Wicked Witch, World's Edge and CaptureAge and published by Xbox Game Studios. Released on November 14th 2019 has received 162,462 reviews of which 154,061 were positive and 8,401 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 15,584 players online at once in the last 24 hours, this game is currently ranked #3 among games like Oxygen based on player count.
9.4
154,061
8,401

15,584
players

4. Oxygen Not Included

Similarity 68% 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 9,142 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Oxygen.
9.5
124,220
4,170

9,142
players

5. Cities: Skylines

Similarity 63% 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 #5 spot among the most played games like Oxygen.
9.2
256,362
19,408

6,314
players

6. Kenshi

Similarity 52% A free-roaming squad based RPG. Focusing on open-ended sandbox gameplay features rather than a linear story. Be a trader, a thief, a rebel, a warlord, an adventurer, a farmer, a slave, or just food for the cannibals. Train your men up from puny victims to master warriors. Kenshi is a open world, sandbox and rpg game developed and published by Lo-Fi Games. Released on December 06th 2018 has received 98,135 reviews of which 93,712 were positive and 4,423 were negative resulting in an impressive rating of 9.4 out of 10. With 5,665 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Oxygen.
9.4
93,712
4,423

5,665
players

7. Timberborn

Similarity 47% Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood. Timberborn is a city builder, voxel and colony sim game developed and published by Mechanistry. Released on September 15th 2021 has received 31,678 reviews of which 30,266 were positive and 1,412 were negative resulting in an impressive rating of 9.4 out of 10. With 4,145 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Oxygen.
9.4
30,266
1,412

4,145
players

8. Captain of Industry

Similarity 64% 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 #8 spot among the most played games like Oxygen.
9.1
6,737
417

3,916
players

9. Age of Empires III: Definitive Edition

Similarity 48% Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product. Age of Empires III: Definitive Edition is a strategy, base-building and rts game developed by World's Edge, Tantalus Media and Forgotten Empires and published by Xbox Game Studios. Released on October 15th 2020 has received 48,342 reviews of which 40,941 were positive and 7,401 were negative resulting in a rating of 8.3 out of 10. With 3,597 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Oxygen.
8.3
40,941
7,401

3,597
players

10. Anno 1800

Similarity 62% 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 #10 spot among the most played games like Oxygen.
8.0
20,368
4,723

3,157
players

Best deals on games like Oxygen on Steam

Discover fantastic savings with the best discounts on a variety of games like Oxygen 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 Oxygen.

1. Founders' Fortune

Similarity 87% 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. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Oxygen.
7.7
1,699
415

-99% 18.99€ 0.26€

2. Honey, I Joined a Cult

Similarity 61% 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. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Oxygen.
7.1
1,279
453

-99% 21.99€ 0.40€

3. Aven Colony

Similarity 71% 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. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Oxygen.
7.1
1,921
717

-99% 29.99€ 0.47€

4. Lords and Villeins

Similarity 59% 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 #4 position in the best deals for games like Oxygen.
7.0
633
239

-99% 24.99€ 0.38€

5. Havendock

Similarity 60% Breathe easy and thrive in this cozy colony sim. Build a haven for castaways, manage resources, live your best life on the ocean. Lead your humble settlement into a high-tech society. Havendock is a singleplayer, strategy and city builder game developed by YYZ Studio and published by IndieArk and Pretty Soon. Released on April 22nd 2025 has received 1,399 reviews of which 1,191 were positive and 208 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Oxygen.
8.1
1,191
208

-98% 19.50€ 0.42€

6. Help Will Come Tomorrow

Similarity 49% 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. Help Will Come Tomorrow is a survival, adventure and resource management game developed by Arclight Creations and published by Klabater. Released on April 21st 2020 has received 893 reviews of which 714 were positive and 179 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Oxygen.
7.6
714
179

-98% 19.99€ 0.46€

7. Autonauts vs Piratebots

Similarity 55% 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 #7 position in the best deals for games like Oxygen.
7.4
382
103

-98% 19.99€ 0.43€

8. Rise of Industry

Similarity 64% 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. Rise of Industry is a management, strategy and economy game developed by Dapper Penguin Studios and published by Kasedo Games. Released on May 02nd 2019 has received 4,100 reviews of which 3,001 were positive and 1,099 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Oxygen.
7.1
3,001
1,099

-98% 28.99€ 0.62€

9. Stronghold Crusader 2

Similarity 50% Stronghold Crusader 2 is the long awaited sequel to the original castle sim. After 12 years Stronghold returns to the desert with a new 3D engine and powerful Havok Physics. Crusader 2 recaptures the original game’s addictive, fast-paced gameplay and authentic castle simulation. Stronghold Crusader 2 is a strategy, medieval and city builder game developed and published by FireFly Studios. Released on September 22nd 2014 has received 17,082 reviews of which 12,328 were positive and 4,754 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Oxygen.
7.1
12,328
4,754

-98% 29.99€ 0.87€

10. As Far As The Eye

Similarity 61% Build a mobile village and travel with your tribe toward the center of the world, called The Eye. This roguelike turn-based resource-management game is made of procedural situations, natural events, skill-trees and hard choices. Ready to move? As Far As The Eye is a strategy, building and colony sim game developed by Unexpected and published by Unexpected, Goblinz Publishing and Maple Whispering Limited. Released on September 10th 2020 has received 2,080 reviews of which 1,505 were positive and 575 were negative resulting in a rating of 7.0 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Oxygen.
7.0
1,505
575

-98% 20.99€ 0.47€

Free games like Oxygen on Steam

Check out this fantastic list of free-to-play games like Oxygen 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 Oxygen.

1. Age of Empires III: Definitive Edition

Similarity 48% Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product. Age of Empires III: Definitive Edition is a strategy, base-building and rts game developed by World's Edge, Tantalus Media and Forgotten Empires and published by Xbox Game Studios. Released on October 15th 2020 has received 48,342 reviews of which 40,941 were positive and 7,401 were negative resulting in a rating of 8.3 out of 10. With 3,597 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Oxygen.
8.3
40,941
7,401

3,597
players

2. Fallout Shelter

Similarity 49% 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 74,448 reviews of which 65,847 were positive and 8,601 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 994, this game has secured the #2 spot in the ranking of free games like Oxygen.
8.7
65,847
8,601

994
players

3. Global City

Similarity 56% 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. Thanks to its free to play tag and a daily player base of 168, this game has secured the #3 spot in the ranking of free games like Oxygen.
6.8
841
359

168
players

4. Kingdom: Classic

Similarity 53% 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 #4 spot among the most played free games like Oxygen.
8.9
20,023
2,065

48
players

5. Simutrans

Similarity 49% 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 622 reviews of which 468 were positive and 154 were negative resulting in a rating of 7.2 out of 10. The game currently holds the #5 spot among the most played free games like Oxygen.
7.2
468
154

16
players

6. Beecarbonize

Similarity 49% 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 1,988 reviews of which 1,858 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 Oxygen.
8.9
1,858
130

5
players

7. Oxygen: First Breath

Similarity 89% 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 Oxygen.
8.6
1,432
162

4
players

8. Terra Firma

Similarity 51% 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 Oxygen.
8.6
333
26

3
players

9. Vedelem: The Golden Horde

Similarity 51% Védelem: The Golden Horde is a medieval Real Time Strategy and Survival game set in the 13th century. Build, expand and defend your lands against the deadliest Mongolian invasion ever witnessed. They will seek to destroy your walls and salt your earth. Will you survive the Golden Horde? Vedelem: The Golden Horde is a strategy, base-building and action game developed by Castle Roaches and published by Breda University of Applied Sciences. Released on June 22nd 2021 has received 775 reviews of which 694 were positive and 81 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 Oxygen.
8.4
694
81

1
players

10. Smart Factory Tycoon: Beginnings

Similarity 60% 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 #10 spot among the most played free games like Oxygen.
7.3
385
111

1
players