Single-player games like Icaria
Below are 12 single-player Steam games similar to Icaria, 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 Icaria page.
Ranked picks
- 1
FOUNDRY
Single-player alternative to Icaria — playable solo, no multiplayer required. Shares Simulation and Early Access with Icaria.
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.
- 2
Orebound
Single-player alternative to Icaria — playable solo, no multiplayer required. Shares Simulation with Icaria.
Orebound is a dwarven themed factory automation game. Play alone or with friends as you build, mine, craft and explore a voxel generated world! Build your fortress, expand your factory, fight off creatures who dwell beneath the mountains and embark on a journey of greatness.
- 3
Craftica
Single-player alternative to Icaria — playable solo, no multiplayer required. Shares Simulation and Early Access with Icaria.
Craftica is an elegant block-based sandbox game with ultra high degrees of freedom for creative building. Here you can build smooth and beautiful architectures, or construct advanced devices and machineries such as computers, vehicles and robots. Try it out and start exploring your imaginations!
- 4
Autonauts
Single-player alternative to Icaria — playable solo, no multiplayer required. Shares Simulation with Icaria.
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.
- 5
Evospace
Single-player alternative to Icaria — playable solo, no multiplayer required. Shares Simulation and Early Access with Icaria.
Contribute to the colonization of the universe. Get and process resources, develop your technologies. Achieve complete automation and build a portal to include another planet in the chain of worlds.
- 6
Microtopia
Single-player alternative to Icaria — playable solo, no multiplayer required. Shares Simulation with Icaria.
Become the hive mind of a robot ant colony in Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species!
- 7
Per Aspera
Single-player alternative to Icaria — playable solo, no multiplayer required. Shares Simulation with Icaria.
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
Grand Emprise: Time Travel Survival
Single-player alternative to Icaria — playable solo, no multiplayer required. Shares Simulation with Icaria.
TIME TRAVEL through history to BECOME GOD 🚀 Ride dinosaurs, forge tools, sail dunes, build a colony, siege castles, automate and fly, mine underground, launch to the moon, build a dyson sphere! An insane, unforgettable and revolutionary survival crafting base building open world adventure.
- 9
Outworld Station
Single-player alternative to Icaria — playable solo, no multiplayer required. Shares Simulation and Early Access with Icaria.
Take the helm as a new Station Commander and exploit an alien star system in this stunning space-station factory automation game. Amass resources and construct starships using increasingly advanced manufacturing and expand your station in a hostile universe.
- 10
Factorio
Single-player alternative to Icaria — playable solo, no multiplayer required. Shares Simulation with Icaria.
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.
- 11
Desynced
Single-player alternative to Icaria — playable solo, no multiplayer required. Shares Simulation with Icaria.
Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.
- 12
Craftomation 101: Programming & Craft
Single-player alternative to Icaria — playable solo, no multiplayer required. Shares Simulation and Early Access with Icaria.
You land on a frozen planet in a tiny rocket with a robot inside. Harvest and combine materials to discover new ones. Use visual programming to make the robot do the tiresome work for you. Slowly build a gang of self-sustaining robot workers and watch them terraform the planet.