Single-player games like Oxygen
Below are 17 single-player Steam games similar to Oxygen, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Oxygen page.
Ranked picks
- 1
Oxygen: First Breath
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Indie with Oxygen.
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!
- 2
Endzone - A World Apart
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Indie with Oxygen.
Endzone is a post-apocalyptic survival city builder, where you start a new civilization with a group of people after an ecological disaster. Build them a new home and ensure their survival in a shattered world, threatened by constant radiation, toxic rain, sandstorms and droughts.
- 3
New Cycle
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Indie with Oxygen.
New Cycle is a city building game with focus on survival. After an apocalyptic series of solar flares, human society has been thrown into disarray. Establish a settlement and develop it all the way from humble beginnings to industrial metropolis.
- 4
Planetbase
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Indie with Oxygen.
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
- 5
Oxygen Not Included
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Indie and Simulation with Oxygen.
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.
- 6
Frostpunk
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Simulation with Oxygen.
Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process?
- 7
Per Aspera
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Indie with Oxygen.
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.
- 8
Surviving Mars
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Simulation with Oxygen.
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
- 9
Banished
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Indie with Oxygen.
In this city-building strategy game, you control a group of exiled travelers who decide to restart their lives in a new land. They have only the clothes on their backs and a cart filled with supplies from their homeland. The townspeople of Banished are your primary resource.
- 10
Aven Colony
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Indie with Oxygen.
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.
- 11
United Penguin Kingdom
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Indie with Oxygen.
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.
- 12
Toy Tinker Simulator
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Indie and Simulation with Oxygen.
Have you ever wanted to be a toy tinker? This is a unique chance to become one! Repair toys and start your toy-museums to make everyone happy!
- 13
Smart Factory Tycoon
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Indie with Oxygen.
Smart Factory Tycoon inspired by Little Big Workshop is a tycoon management game about running your dream factory with robots. Design your dream factory, plan all steps of production, research new technologies and become a tycoon!
- 14
Animal Rescuer
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Indie with Oxygen.
Animal Rescuer is helping lovely animals through exploring an epic world with faster gameplay and increased quest and combat intensity.
- 15
Toy Tinker Simulator: BETA
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Indie and Simulation with Oxygen.
Have you ever wanted to be a toy tinker? Here you can take the first step to become one! This is a tiny portion of Toy Tinker Simulator, which includes only ten toys.
- 16
Smart Factory Tycoon: Beginnings
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Indie with Oxygen.
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!
- 17
United Penguin Kingdom: Huddle up
Single-player alternative to Oxygen — playable solo, no multiplayer required. Shares Strategy and Indie with Oxygen.
This free version of the United Penguin Kingdom covers the content from one year of in-game time. 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.