Games like Oxygen Not Included on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Oxygen Not Included are available at the bottom of the page.
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The Guild 3
The Guild 3 is a fascinating trade and life simulation that takes place during the late Middle Ages. Step into the shoes of a citizen, acquire businesses and mansions, produce goods and trade them, start intrigues in politics and society, love, hate, bribe, fight and live through good and bad times!
Stronghold HD (2012)
The original castle sim, Stronghold HD allows you to design, build and destroy historical castles. Engage in medieval warfare against the AI in one of two single player campaigns or online with up to 8 players.
The Guild II Renaissance
For centuries Europe has been dominated by the church and nobility. On the shoulders of ordinary people the servants of god and the noble families justified their power and wealth. This was the incontrovertible, divine world order. A truly dark era… In the 14th Century the world order is beginning to transform itself.
Prospector: The First Contract
As the Prospector in this Prologue chapter, you will be taking on your first contract. Explore new planets, gather resources, build your fully automated base, and ship materials to distant colonies.
Orebound
Orebound is a voxel, factory, automation game set in a first person open-world. The King has tasked you to locate the elusive Emberstone. Go forth and use your Dwarven prowess and knowledge to mine, craft and automate through anything standing in your way - Build up or dig down! How far will you go?
Kingdom Eighties
Kingdom Eighties is a short story-based standalone expansion set in the Kingdom universe. A rad adventure of micro-strategy and base building in vivid ‘80s neon. Defend your town against the mysterious Greed and discover the secrets of your family lineage!
Drill Deal: Borehole (Alpha)
Drill Deal is a unique simulator in a fun style that will draw you for hours. It's a building simulator like never before. Feel the thrill of a drill hitting underwater oil fields. Sell the precious substance and make your oil rig more efficient.
Drake Hollow
Build and defend villages of vegetable folk from deadly feral beasts in the blighted world of The Hollow. Explore, gather, and fight! You can even invite your friends. Can you craft the perfect village?
MarZ: Tactical Base Defense
Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.
Stationeers
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Kingdom: New Lands
Kingdom: New Lands builds upon the award-winning gameplay and mystery of Kingdom by introducing an abundance of new content to the IGF-nominated title while maintaining the simplicity and depth that legions of monarchs have come to experience and enjoy.
Crashlands
Fight and tame alien beasts, craft resources into menacing weaponry, befriend the outlandish locals, and go toe-to-chin with a world-domineering maniac.
Airborne Empire
Build your sky city while exploring a vast landscape in this Open World RPG City Builder. Combining the methodical construction and management of a city builder; the unique lift, balance, and propulsion needed for a flying city; and the compelling characters, dangers, and adventures of an RPG!
Surviving the Abyss
Earth, 1976. You have been tasked with managing a deep-sea science facility working to perfect cloning. Explore the darkness and keep your crew alive in this hardcore survival colony builder. And beware. The darkness hides untold horrors.
Timberborn
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.
Conan Unconquered
From the Command & Conquer veterans at Petroglyph comes the first ever survival RTS set in the savage world of Conan the Barbarian. Play solo or team up in multiplayer in Conan Unconquered’s action-packed co-op Mode where you build a shared stronghold and fend off the hordes together.
Screeps: World
Screeps: World is an open source MMO RTS sandbox game for programming enthusiasts, wherein the core mechanic is programming your units AI. You control your colony by writing JavaScript which operates 24/7 in the single persistent open world filled by other players on par with you.
Startopia
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
Naheulbeuk's Dungeon Master
A dungeon in danger ! Build, manage, and defend your tower in the satirical heroic fantasy universe of Dungeon of Naheulbeuk. From a shaky establishment to an infamous lair!
Autonauts vs Piratebots
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.
Space Trash Scavenger
Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.
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.
Highrise City
Highrise City offers a new spin on City Simulations & Tycoon games expanding the economy and resource management aspect. Experience a modern take on the genre enriched with a complex resource based economy system.
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!Most played games like Oxygen Not Included on Steam
Take a look at the top games like Oxygen Not Included that are currently attracting the largest player bases on the Steam platform, as of April 19th 2025.
1. RimWorld
Similarity 84% 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 207,748 reviews of which 203,531 were positive and 4,217 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 Not Included, thanks to its 22,530 peak concurrent players over the last day.
9.7
203,531
4,217
22,530
players
2. Satisfactory
Similarity 70% 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 228,332 reviews of which 221,780 were positive and 6,552 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 19,872 players online at once in the last 24 hours, this game is currently ranked #2 among games like Oxygen Not Included based on player count.
9.6
221,780
6,552
19,872
players
3. Factorio
Similarity 76% 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 18,327 players online at once in the last 24 hours, this game is currently ranked #3 among games like Oxygen Not Included based on player count.
9.6
206,226
6,396
18,327
players
4. Raft
Similarity 56% Raft™ throws you and your friends into an epic oceanic adventure! Alone or together, players battle to survive a perilous voyage across a vast sea! Gather debris, scavenge reefs and build your own floating home, but be wary of the man-eating sharks! Raft is a survival, multiplayer and open world survival craft game developed by Redbeet Interactive and published by Axolot Games. Released on June 20th 2022 has received 342,984 reviews of which 320,126 were positive and 22,858 were negative resulting in an impressive rating of 9.2 out of 10. With 6,108 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Oxygen Not Included.
9.2
320,126
22,858
6,108
players
5. Kenshi
Similarity 61% 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 95,436 reviews of which 91,127 were positive and 4,309 were negative resulting in an impressive rating of 9.4 out of 10. With 4,024 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Oxygen Not Included.
9.4
91,127
4,309
4,024
players
6. Space Engineers
Similarity 55% 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 4,017 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Oxygen Not Included.
8.7
116,631
15,096
4,017
players
7. X4: Foundations
Similarity 55% X4: FOUNDATIONS brings our most sophisticated universe SIMULATION ever. Fly every ship, EXPLORE space or manage an empire; TRADE, FIGHT, BUILD and THINK carefully, while you embark on an epic journey. Experience tons of improvements with the massive 7.50 Update! X4: Foundations is a space sim, simulation and sandbox game developed and published by Egosoft. Released on November 30th 2018 has received 23,304 reviews of which 18,494 were positive and 4,810 were negative resulting in a rating of 7.8 out of 10. With 3,955 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Oxygen Not Included.
7.8
18,494
4,810
3,955
players
8. Timberborn
Similarity 57% 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 30,487 reviews of which 29,108 were positive and 1,379 were negative resulting in an impressive rating of 9.3 out of 10. With 3,338 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Oxygen Not Included.
9.3
29,108
1,379
3,338
players
9. Manor Lords
Similarity 66% 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 70,570 reviews of which 61,069 were positive and 9,501 were negative resulting in a rating of 8.5 out of 10. With 2,899 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Oxygen Not Included.
8.5
61,069
9,501
2,899
players
10. The Planet Crafter
Similarity 59% A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere. The Planet Crafter is a open world survival craft, base-building and online co-op game developed and published by Miju Games. Released on April 10th 2024 has received 51,851 reviews of which 49,807 were positive and 2,044 were negative resulting in an impressive rating of 9.4 out of 10. With 2,785 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Oxygen Not Included.
9.4
49,807
2,044
2,785
players
Best deals on games like Oxygen Not Included on Steam
Discover fantastic savings with the best discounts on a variety of games like Oxygen Not Included available on Steam right now, updated on April 19th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Oxygen Not Included.
1. Naheulbeuk's Dungeon Master
Similarity 57% A dungeon in danger ! Build, manage, and defend your tower in the satirical heroic fantasy universe of Dungeon of Naheulbeuk. From a shaky establishment to an infamous lair! Naheulbeuk's Dungeon Master is a management, simulation and funny game developed by Artefacts Studio and published by Dear Villagers. Released on November 15th 2023 has received 1,373 reviews of which 988 were positive and 385 were negative resulting in a rating of 7.0 out of 10. Featuring a massive 96% discount, this game currently holds the #1 spot in the best deals for games like Oxygen Not Included.
7.0
988
385
-96%
25.00€
1.00€
2. Lords and Villeins
Similarity 67% 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 868 reviews of which 628 were positive and 240 were negative resulting in a rating of 6.9 out of 10. Thanks to its incredible 96% discount, this game is now the #2 best deal in games like Oxygen Not Included.
6.9
628
240
-96%
27.50€
1.10€
3. Founders' Fortune
Similarity 76% 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 2,097 reviews of which 1,688 were positive and 409 were negative resulting in a rating of 7.7 out of 10. Thanks to its incredible 95% discount, this game is now the #3 best deal in games like Oxygen Not Included.
7.7
1,688
409
-95%
20.00€
1.00€
4. InfraSpace
Similarity 62% Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain. InfraSpace is a city builder, automation and transportation game developed and published by Dionic Software. Released on September 22nd 2023 has received 1,611 reviews of which 1,297 were positive and 314 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 95% discount, this title has earned the #4 position in the best deals for games like Oxygen Not Included.
7.7
1,297
314
-95%
20.00€
1.00€
5. Autonauts vs Piratebots
Similarity 57% 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 480 reviews of which 380 were positive and 100 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 95% discount, this title has earned the #5 position in the best deals for games like Oxygen Not Included.
7.5
380
100
-95%
20.00€
1.00€
6. Honey, I Joined a Cult
Similarity 70% 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 1,716 reviews of which 1,270 were positive and 446 were negative resulting in a rating of 7.2 out of 10. Currently offered at a significant 95% discount, this title has earned the #6 position in the best deals for games like Oxygen Not Included.
7.2
1,270
446
-95%
23.40€
1.17€
7. Starsand
Similarity 53% Starsand is a mystic survival game set among the dunes of an arcane desert. An open-world full of danger, vast environments and mysterious happenings await you! Explore, hunt, craft, build – and SURVIVE. Starsand is a open world survival craft, survival and open world game developed by Tunnel Vision Studio and published by Toplitz Productions. Released on November 17th 2022 has received 1,136 reviews of which 763 were positive and 373 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 94% discount, this title has earned the #7 position in the best deals for games like Oxygen Not Included.
6.5
763
373
-94%
16.67€
1.00€
8. Snowtopia: Ski Resort Builder
Similarity 64% Build your ideal ski resort. Keep skiers smiling with fresh pistes and fine facilities. Ski, build and chill in the wintry world of Snowtopia where everyone is welcome! Snowtopia: Ski Resort Builder is a simulation, building and management game developed by TeaForTwo and published by Goblinz Publishing and Maple Whispering Limited. Released on December 14th 2022 has received 1,165 reviews of which 714 were positive and 451 were negative resulting in a rating of 6.0 out of 10. Currently offered at a significant 94% discount, this title has earned the #8 position in the best deals for games like Oxygen Not Included.
6.0
714
451
-94%
19.83€
1.19€
9. Stronghold Crusader 2
Similarity 60% 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 16,932 reviews of which 12,215 were positive and 4,717 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 93% discount, this title has earned the #9 position in the best deals for games like Oxygen Not Included.
7.1
12,215
4,717
-93%
34.57€
2.42€
10. Regions Of Ruin
Similarity 55% Regions of Ruin is a 2D pixel side-scrolling RPG with town-building, where you explore, fight and build into an open world that progressively challenges you and your settlement, and threatens the extinction of the dwarven race. Regions Of Ruin is a rpg, adventure and indie game developed by Gameclaw Studio and published by Raw Fury. Released on February 05th 2018 has received 4,511 reviews of which 3,912 were positive and 599 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 92% discount, this title has earned the #10 position in the best deals for games like Oxygen Not Included.
8.4
3,912
599
-92%
12.50€
1.00€
Free games like Oxygen Not Included on Steam
Check out this fantastic list of free-to-play games like Oxygen Not Included you can enjoy on Steam right now, updated on April 19th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Oxygen Not Included.
1. Fallout Shelter
Similarity 63% 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 73,819 reviews of which 65,306 were positive and 8,513 were negative resulting in a rating of 8.7 out of 10. With 1,067 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Oxygen Not Included.
8.7
65,306
8,513
1,067
players
2. Realm Grinder
Similarity 55% 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 7,047 reviews of which 6,139 were positive and 908 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 912, this game has secured the #2 spot in the ranking of free games like Oxygen Not Included.
8.5
6,139
908
912
players
3. OpenTTD
Similarity 57% 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. Thanks to its free to play tag and a daily player base of 513, this game has secured the #3 spot in the ranking of free games like Oxygen Not Included.
9.4
13,577
542
513
players
4. DFHack - Dwarf Fortress Modding Engine
Similarity 58% Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools. DFHack - Dwarf Fortress Modding Engine is a dwarf, simulation and software game developed and published by The DFHack Team. Released on April 13th 2023 has received 692 reviews of which 687 were positive and 5 were negative resulting in an impressive rating of 9.2 out of 10. Attracting a solid base of 258 players due to its free access, this strategy game has achieved the #4 position in the best free games like Oxygen Not Included.
9.2
687
5
258
players
5. Kingdom: Classic
Similarity 78% 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, singleplayer and strategy game developed by Noio and Licorice and published by Raw Fury. Released on October 21st 2015 has received 21,983 reviews of which 19,934 were positive and 2,049 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #5 spot among the most played free games like Oxygen Not Included.
8.9
19,934
2,049
62
players
6. Simutrans
Similarity 60% Simutrans is a freeware and open-source transportation simulator. Your goal is to establish a successful transport company. Transport passengers, mail and goods by rail, road, ship, and even air. Interconnect districts, cities, public buildings, industries and tourist attractions. Simutrans is a simulation, free to play and trains game developed and published by The Simutrans Team. Released on May 24th 2016 has received 616 reviews of which 465 were positive and 151 were negative resulting in a rating of 7.2 out of 10. The game currently holds the #6 spot among the most played free games like Oxygen Not Included.
7.2
465
151
20
players
7. Planet S
Similarity 55% Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction. Planet S is a strategy, city builder and multiplayer game developed and published by Glimmerlight Games. Released on October 28th 2023 has received 2,565 reviews of which 2,352 were positive and 213 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #7 spot among the most played free games like Oxygen Not Included.
8.8
2,352
213
17
players
8. Vectorio Classic
Similarity 58% The original, uncompleted version of Vectorio. Claim resources, unlock new buildings, and expand your defenses as you fight back against enemy forces in the classic edition of Vectorio! Play for free now. Vectorio Classic is a base-building, tower defense and survival game developed by Ben Nichols and published by BN Games. Released on March 22nd 2021 has received 1,466 reviews of which 1,368 were positive and 98 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #8 spot among the most played free games like Oxygen Not Included.
8.9
1,368
98
4
players
9. Oxygen: First Breath
Similarity 67% 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 simulation game developed by Turquoise Revival Games and published by GrabTheGames and UpgradePoint. Released on October 07th 2022 has received 1,584 reviews of which 1,423 were positive and 161 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #9 spot among the most played free games like Oxygen Not Included.
8.6
1,423
161
4
players
10. Prospector: The First Contract
Similarity 58% As the Prospector in this Prologue chapter, you will be taking on your first contract. Explore new planets, gather resources, build your fully automated base, and ship materials to distant colonies. Prospector: The First Contract is a open world survival craft, sandbox and survival game developed by Loonworks Games and published by HypeTrain Digital. Released on July 12th 2024 has received 496 reviews of which 457 were positive and 39 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #10 spot among the most played free games like Oxygen Not Included.
8.6
457
39