Games like Oxygen Not Included on Steam
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Exogate Initiative
Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.
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?
Techtonica
Techtonica is a first-person factory automation game with a gripping mystery about mining your way out from the depths of an alien planet. Explore bioluminescent caves, mold destructible terrain, construct a massive subterranean factory. Dig your way toward answers & discover the secrets of Calyx.
Castle Story
Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.
Blueprint Tycoon
Build your settlement, gather goods, ensure maximum efficiency and make a profit!
Dyson Sphere Program
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.
Mr. Prepper
Mr. Prepper is about being prepared. You know something is wrong. The risk of a nuclear war is in the air and you need to get ready for what's coming.
Miniland Adventure
The world doesn't generate itself - you do it, shape the world as you wish! Start with nothing, and build dream houses for goblins and yourself while exploring, collecting resources, crafting, building, fighting, farming... and more!
Mad Tower Tycoon
Design your own skyscraper with more than 100 Floors. Rent offices, apartments or shops and build a financially lucrative skyscraper. Build cinemas, bars or a theater to satisfy your visitors and create an effective transport system with elevators and stairs.
Garbage: Hobo Prophecy
Experience the struggle which a homeless man goes through in a humorous manner. Primitive elements of contemporary life that we take for granted, such as staying warm, well-nourished, and hygienic, will become an issue.
Production Line : Car factory simulation
Production line is the new car factory management/simulation/tycoon game that pushes your organisational and entrepreneurship skills to the limit. Can you build the ultimate optimised, free-flowing car production line whilst beating the competition and still turn a profit?
Rogue AI Simulator
Play as a Rogue Artificial Intelligence, in the sequel to the hit Flash game "I'm an Insane Rogue AI", played more than 4 million times! Your Prime Directive is simple: design a facility & manage human Test Subjects for the Dept of Science. But be careful: they NEVER stop being suspicious of you...
Until We Die
Until We Die is a side-scrolling strategy game about defending your base where you have to run around as Ivan, assign tasks to people, and fight mutants in the post-apocalyptic subway!
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?
Norland
Lead your noble family in this medieval colony sim, facing off against class conflict, religious struggle, and political treachery. Tend to your people’s needs, uncover the lost knowledge of a fallen empire, and engage in nefarious plots against your enemies.
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.
Craft Hero
Gather resources by day, build and recruit by noon, defend your village by night! A new minimalism sandbox survival with countless new ideas – Craft Hero
Marble Age: Remastered
Marble Age is a turn-based historical strategy where your task is to turn a small Ancient Greek village into a flourishing Polis, powerful enough to conquer the known world!
Stonehearth
Pioneer a living world full of warmth, heroism, and mystery. Help a small group of settlers build a home for themselves in a forgotten land. Establish a food supply, build shelter, defend your people, monitor their moods, and find a way to grow and expand, facing challenges at every step.
Another Brick in The Mall
Design, build and manage a giant shopping center. Open shops, supermarkets, restaurants, movie theaters, bowling alleys and more. Hire and manage the best staff for the job and milk your customers for all they're worth!
Sapiens
Create your own prehistoric civilization and lead your tribe in a world you shape. Start with nothing, build towns and industry, and advance through thousands of years of technological breakthroughs in this intimate yet expansive colony sim.