Games like Citadelum on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Citadelum are available at the bottom of the page.
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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!
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!
Builders of Greece
Immerse yourself in the beautifully recreated golden age of Hellenic city-states. Builders of Greece is a city management game that lets you display your strategic and economic mastery. Build your Polis from scratch, make meaningful decisions, trade, fight and expand to become the ultimate ruler.
FOUNDRY
Build a sophisticated robot factory optimized to perfection in an infinite voxel world. Mine and harvest resources, automate your production lines and manage complex systems while researching your way to become the galaxy’s leading robotics megacorp.
Jurassic World Evolution
Place yourself at the heart of the Jurassic franchise and build your own Jurassic World. Bioengineer dinosaurs that think, feel and react intelligently to the world around them and face threats posed by espionage, breakouts and devastating tropical storms in an uncertain world where life always finds a way.
House Flipper
House Flipper is a unique chance to become a one-man renovation crew. Buy, repair and remodel devastated houses. Give them a second life and sell them at a profit!
Tropico 4
The world is changing and Tropico is moving with the times - geographical powers rise and fall and the world market is dominated by new players with new demands and offers - and you, as El Presidente, face a whole new set of challenges.
inZOI
"Every life becomes a story" Create your unique story by controlling and observing the lives of 'Zois'. Customize characters and build houses using inZOI's easy-to-use tools to live the life of your dreams and experience the different emotions of life created by its deep and detailed simulation.
MEMORIAPOLIS
Memoriapolis invites you to construct a city that spans 2,500 years of history, from Antiquity to the Age of Enlightenment. Choose your culture, manage resources, face historical events, build "Wonders" to achieve the status of Capital of Capitals and leave your mark in history!
Stronghold: Definitive Edition
Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.
Power to the People
Build and maintain a power grid for a constantly growing population, while fighting off all kinds of disasters in this thrilling resource management experience. It's time for you to give "Power to the People"! Do you have what it takes to keep the lights on?
Per Aspera
Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting.
The Colonists
Build a new home for your team of robots as they begin a new life for themselves on a distant planet where they can fulfil their ultimate dream: to be human.
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.Most played games like Citadelum on Steam
Take a look at the top games like Citadelum that are currently attracting the largest player bases on the Steam platform, as of April 16th 2025.
1. RimWorld
Similarity 51% A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more. RimWorld is a colony sim, base-building and survival game developed and published by Ludeon Studios. Released on October 17th 2018 has received 207,285 reviews of which 203,071 were positive and 4,214 were negative resulting in an impressive rating of 9.7 out of 10. The game has hit the top spot as the #1 most played game like Citadelum, thanks to its 19,206 peak concurrent players over the last day.
9.7
203,071
4,214
19,206
players
2. Factorio
Similarity 59% 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 14,006 players online at once in the last 24 hours, this game is currently ranked #2 among games like Citadelum based on player count.
9.6
206,226
6,396
14,006
players
3. Cities: Skylines
Similarity 60% 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 273,442 reviews of which 254,189 were positive and 19,253 were negative resulting in an impressive rating of 9.2 out of 10. While seeing 6,037 players online at once in the last 24 hours, this game is currently ranked #3 among games like Citadelum based on player count.
9.2
254,189
19,253
6,037
players
4. inZOI
Similarity 50% "Every life becomes a story" Create your unique story by controlling and observing the lives of 'Zois'. Customize characters and build houses using inZOI's easy-to-use tools to live the life of your dreams and experience the different emotions of life created by its deep and detailed simulation. inZOI is a life sim, character customization and simulation game developed by inZOI Studio and published by KRAFTON and Inc.. Released on March 27th 2025 has received 17,775 reviews of which 14,668 were positive and 3,107 were negative resulting in a rating of 8.1 out of 10. With 5,769 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Citadelum.
8.1
14,668
3,107
5,769
players
5. Victoria 3
Similarity 53% Paradox Development Studio invites you to build your ideal society in the tumult of the exciting and transformative 19th century. Balance the competing interests in your society and earn your place in the sun in Victoria 3, one of the most anticipated games in Paradox’s history. Victoria 3 is a grand strategy, economy and historical game developed by Paradox Development Studio and published by Paradox Interactive. Released on October 25th 2022 has received 51,679 reviews of which 34,331 were positive and 17,348 were negative resulting in a rating of 6.6 out of 10. With 4,537 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Citadelum.
6.6
34,331
17,348
4,537
players
6. Planet Zoo
Similarity 54% Build a world for wildlife in Planet Zoo. From the developers of Planet Coaster and Zoo Tycoon comes the ultimate zoo sim. Construct detailed habitats, manage your zoo, and meet authentic living animals who think, feel and explore the world you create around them. Planet Zoo is a management, simulation and building game developed and published by Frontier Developments. Released on November 05th 2019 has received 86,491 reviews of which 78,784 were positive and 7,707 were negative resulting in a rating of 9.0 out of 10. With 3,289 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Citadelum.
9.0
78,784
7,707
3,289
players
7. Age of Empires III: Definitive Edition
Similarity 56% 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 47,511 reviews of which 40,165 were positive and 7,346 were negative resulting in a rating of 8.3 out of 10. With 3,068 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Citadelum.
8.3
40,165
7,346
3,068
players
8. Anno 1800
Similarity 55% 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 23,986 reviews of which 19,441 were positive and 4,545 were negative resulting in a rating of 8.0 out of 10. With 2,518 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Citadelum.
8.0
19,441
4,545
2,518
players
9. Manor Lords
Similarity 68% 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 70,300 reviews of which 60,884 were positive and 9,416 were negative resulting in a rating of 8.5 out of 10. With 2,124 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Citadelum.
8.5
60,884
9,416
2,124
players
10. Dyson Sphere Program
Similarity 52% Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire. Dyson Sphere Program is a automation, space and base-building game developed by Youthcat Studio and published by Gamera Games. Released on January 20th 2021 has received 84,564 reviews of which 82,585 were positive and 1,979 were negative resulting in an impressive rating of 9.6 out of 10. With 1,968 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Citadelum.
9.6
82,585
1,979
1,968
players
Best deals on games like Citadelum on Steam
Discover fantastic savings with the best discounts on a variety of games like Citadelum available on Steam right now, updated on April 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Citadelum.
1. Lords and Villeins
Similarity 50% 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. Featuring a massive 96% discount, this game currently holds the #1 spot in the best deals for games like Citadelum.
6.9
628
240
-96%
27.50€
1.10€
2. Founders' Fortune
Similarity 53% 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 2,093 reviews of which 1,686 were positive and 407 were negative resulting in a rating of 7.8 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like Citadelum.
7.8
1,686
407
-95%
20.00€
1.00€
3. InfraSpace
Similarity 63% 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. Thanks to its incredible 95% discount, this game is now the #3 best deal in games like Citadelum.
7.7
1,297
314
-95%
20.00€
1.00€
4. Stronghold Crusader 2
Similarity 54% 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 16,919 reviews of which 12,202 were positive and 4,717 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 95% discount, this title has earned the #4 position in the best deals for games like Citadelum.
7.1
12,202
4,717
-95%
34.80€
1.74€
5. Snowtopia: Ski Resort Builder
Similarity 66% 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 1,162 reviews of which 713 were positive and 449 were negative resulting in a rating of 6 out of 10. Currently offered at a significant 94% discount, this title has earned the #5 position in the best deals for games like Citadelum.
6
713
449
-94%
19.83€
1.19€
6. Railway Empire
Similarity 55% In Railway Empire, you will create an elaborate and wide-ranging rail network, purchase over 40 different trains modelled in extraordinary detail, and buy or build railway stations, maintenance buildings, factories and tourist attractions to keep your travel network ahead of the competition. Railway Empire is a strategy, simulation and management game developed by Gaming Minds Studios and published by Kalypso Media. Released on January 26th 2018 has received 9,369 reviews of which 7,756 were positive and 1,613 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 93% discount, this title has earned the #6 position in the best deals for games like Citadelum.
8.1
7,756
1,613
-93%
30.57€
2.14€
7. Pure Farming 2018
Similarity 53% Use the latest technology and state-of-the-art licensed machines to manage all aspects of modern farming. Travel between Europe, Asia, and both Americas to plant region-specific crops such as hemp, coffee beans, and olives. Farm your way thanks to three unique game modes tailored to both simulation veterans and newcomers to farming games. Pure Farming 2018 is a farming sim, simulation and open world game developed by Ice Flames and published by Techland Publishing. Released on March 13th 2018 has received 1,636 reviews of which 1,197 were positive and 439 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 93% discount, this title has earned the #7 position in the best deals for games like Citadelum.
7.1
1,197
439
-93%
20.57€
1.44€
8. Cartel Tycoon
Similarity 53% Cartel Tycoon is a survival business sim inspired by the ‘80s and '90s narco trade. Expand and conquer, fight off rival thugs and evade the authorities. Earn people's loyalty and strive to overcome the doomed fate of a power-hungry drug lord. Cartel Tycoon is a top-down, rts and resource management game developed by Moon Moose and published by tinyBuild. Released on July 26th 2022 has received 3,507 reviews of which 2,680 were positive and 827 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 91% discount, this title has earned the #8 position in the best deals for games like Citadelum.
7.4
2,680
827
-91%
27.78€
2.50€
9. Parkasaurus
Similarity 51% Parkasaurus is a dinosaur tycoon management simulation where you take care of your dinosaurs by constructing well-designed exhibits, researching specialized technologies, and maximizing profits to expand into the ultimate dinosaur theme park. Do you favor development for guests or your dinosaurs? Parkasaurus is a management, city builder and dinosaurs game developed and published by Washbear Studio. Released on August 12th 2020 has received 3,000 reviews of which 2,801 were positive and 199 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 90% discount, this title has earned the #9 position in the best deals for games like Citadelum.
9.0
2,801
199
-90%
20.10€
2.01€
10. Autonauts
Similarity 53% 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 4,751 reviews of which 4,251 were positive and 500 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 90% discount, this title has earned the #10 position in the best deals for games like Citadelum.
8.6
4,251
500
-90%
20.60€
2.06€
Free games like Citadelum on Steam
Check out this fantastic list of free-to-play games like Citadelum you can enjoy on Steam right now, updated on April 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Citadelum.
1. Age of Empires III: Definitive Edition
Similarity 56% 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 47,511 reviews of which 40,165 were positive and 7,346 were negative resulting in a rating of 8.3 out of 10. With 3,068 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Citadelum.
8.3
40,165
7,346
3,068
players
2. OpenTTD
Similarity 61% 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 422, this game has secured the #2 spot in the ranking of free games like Citadelum.
9.4
13,577
542
422
players
3. Simutrans
Similarity 61% 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 #3 spot among the most played free games like Citadelum.
7.2
465
151
18
players
4. 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 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 #4 spot among the most played free games like Citadelum.
8.6
1,423
161
3
players
5. Home Wind
Similarity 50% Home Wind is a minimalist, relaxing and cozy city builder about creating large settlements based on proximity tactics. All for free! Home Wind is a city builder, minimalist and strategy game developed and published by Adi Zhavo. Released on March 10th 2022 has received 804 reviews of which 726 were positive and 78 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #5 spot among the most played free games like Citadelum.
8.5
726
78
3
players
6. Smart Factory Tycoon: Beginnings
Similarity 51% 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 495 reviews of which 385 were positive and 110 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #6 spot among the most played free games like Citadelum.
7.4
385
110
1
players