Games like OpenTTD on Steam

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Empires of the Undergrowth Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.

Similarity 47%
Price -76% 7.45€
Rating 9.2
Release 07 Jun 2024
Split or Steal Have you ever wanted to devote your time and energy to amassing a small fortune, and then place total trust in a complete stranger to not steal it all away from you?

Similarity 47%
Price Free to play
Rating 7.4
Release 31 Jan 2020
Anarchy Arcade Turn your entire digital life into a game. AArcade is a 3D desktop that launches shortcuts to absolutely anything you like. Join the anarchy of the persistent online metaverse, or remain in your own private reality. Casual in-game building features, plus hundreds of thousands of addons.

Similarity 47%
Price Free to play
Rating 6.7
Release 03 Sep 2014
Project Hospital Become an ace doctor, an aspiring architect and a successful manager at the same time. Design your very own hospital, tweak every detail or choose one of the prebuilt scenarios and just jump to the doctor’s duty.

Similarity 47%
Price -76% 6.19€
Rating 8.6
Release 30 Oct 2018
Catizens Inspired by RimWorld and The Sims, Catizens is a colony management simulation game where you watch over unique cats with quirky personalities, as you help them build and grow their settlement while exploring new lands, facing off against wildlife and overcoming the challenges of each environment.

Similarity 47%
Price -97% 0.61€
Rating 7.8
Release 14 Nov 2024
Recycling Center Simulator Recycling Center Simulator is a business simulator game with a first person view. Make money from garbage, collect raw materials for your recycling center from different locations, recycle them, make money by producing new products and improve your factory.

Similarity 47%
Price -60% 7.35€
Rating 8.5
Release 02 Oct 2024
Home Design 3D Home Design 3D is the reference interior design and home decor application, allowing you to draw, create and visualize your floor plans and home ideas.Design your dream projects simply and easily, in 2D and/or 3D. Get a good idea of your next home or simply have fun!

Similarity 47%
Price -84% 1.64€
Rating 7.4
Release 20 Nov 2015
Dinosaur Fossil Hunter Become a real paleontologist, explore various environments and search for dinosaur fossils. Dig for and study the remnants of these majestic creatures to learn about their evolution. Build your own museum and experience an immersive background story.

Similarity 46%
Price -72% 5.57€
Rating 7.3
Release 04 May 2022
Citystate Create a 21st century micro-nation and experiment with economic and political ideals. Futuristic skyscrapers or spreading slums, the Nation relies on your economic and city planning skills.

Similarity 46%
Price 13.90€
Rating 7.2
Release 22 Feb 2018
Oxygen: First Breath This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running!

Similarity 46%
Price Free to play
Rating 8.6
Release 07 Oct 2022
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 46%
Price -99% 0.36€
Rating 7.1
Release 03 Nov 2022
Junkyard Simulator: First Car (Prologue 2) You'll go through a few quests, strip engines from cars then crush them with the small crusher (Yup, there's a monster crusher in the full game). Before you get to crushin', you'll need to track down some abadoned vehicles then transport them to the shop using your tow truck.

Similarity 46%
Price Free to play
Rating 6.5
Release 31 Mar 2021
Wildlife Park 2 Now’s the chance to build the Zoo of your dreams! Just like in a real Zoo, your animals must receive complete care. Feed them, train them, cure them and even relocate them. Observe their realistic interactions with one another, the landscape, the play equipment and even Zoo visitors.

Similarity 46%
Price -30% 4.89€
Rating 6.9
Release 17 Jul 2014
Townsmen - A Kingdom Rebuilt Townsmen – A Kingdom Rebuilt hands the crown to you: Guide your people from their first steps in a small village to a massive medieval metropolis with thousands of inhabitants.

Similarity 46%
Price -95% 1.01€
Rating 6.7
Release 26 Feb 2019
Founders' Fortune A fantasy village builder focusing on creative building, colonist psychology and base defense. Handle resources, farming, production, tools, diplomacy, families, trading, defense, and research, as well as the wishes, expectations, thoughts, and equipment of every villager.

Similarity 46%
Price -99% 0.23€
Rating 7.7
Release 18 Dec 2020
Endzone 2 Endzone 2 is a post-apocalyptic survival colony builder, where you embark to secure humanity's survival after a cataclysmic disaster. Discover and repopulate the last habitable grounds, while the survival of your people hinges on your wits, foresight, and resilience in a harsh and unforgiving world.

Similarity 46%
Price -76% 6.21€
Rating 6.7
Release 24 Jul 2025
Robocraft Build insane, fully customisable robot battle vehicles that drive, hover, walk and fly in the free-to-play action game Robocraft. Add weapons from the future and jump in the driving seat as you take your creation into battle against other players online!

Similarity 46%
Price Free to play
Rating 7.2
Release 24 Aug 2017
Construction Simulator 2015 In Construction Simulator 2015, you take the controls of 16 realistic construction machines made by LIEBHERR, STILL and MAN with high-quality 3D graphics.

Similarity 46%
Price -95% 0.80€
Rating 8.0
Release 18 Nov 2014
SuchArt: Creative Space Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!

Similarity 46%
Price Free to play
Rating 9.5
Release 21 Jan 2021
Racing Classics: Drag Race Simulator Looking for a game where you can drive legendary classic rides? Get the most out of each car in the iconic style of the '70s and '80s and test their original performance in classic head-to-head drag races!

Similarity 46%
Price Free to play
Rating 7.1
Release 20 May 2019
Mad Smartphone Tycoon Build Your smartphone Empire in Mad Smartphone Tycoon, your main goal in this game is to create the ultimate smartphone that combines both performance and aesthetics. Expand your company, dominate the global market, become a tycoon in the world of mobile phones!

Similarity 46%
Price -77% 2.72€
Rating 7.1
Release 12 Sep 2024
Settlements Rising Settlements Rising is a medieval city building and colony management game. It offers a lively colony experience with simulated villagers, dozens of professions and resources, natural disasters, and raids, while providing full control over the colony through trade, production chains and datas.

Similarity 46%
Price 18.49€
Rating 7.8
Release 20 Jan 2025
Learning Factory Build intricate supply chains to meet your feline customers' needs. Discover underground and air transport layers, a vast research tree, procedural worlds, machine learning, and endless automation in this relaxing, enemyless game.

Similarity 46%
Price -96% 0.61€
Rating 8.0
Release 27 Jan 2025
Worshippers of Cthulhu LEAD the CULT OF CTHULHU. Decide the fate of your followers, perform eldritch rituals, and master the art of city-building in a world where the line between sanity and madness blurs. Can you endure the horrors you unleash?

Similarity 46%
Price -76% 6.04€
Rating 8.2
Release 22 May 2025