Single-player games like Biosys Inc
Below are 9 single-player Steam games similar to Biosys Inc, 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 Biosys Inc page.
Ranked picks
- 1
Imagine Earth
Single-player alternative to Biosys Inc — playable solo, no multiplayer required. Shares Indie and Simulation with Biosys Inc.
Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade. Form economic and diplomatic alliances or take over competing corporations. Conduct research to protect your colonists from disasters and avoid a climate crisis.
- 2
Sapiens
Single-player alternative to Biosys Inc — playable solo, no multiplayer required. Shares Indie and Simulation with Biosys Inc.
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.
- 3
WorldBox - God Simulator
Single-player alternative to Biosys Inc — playable solo, no multiplayer required. Shares Indie and Simulation with Biosys Inc.
WorldBox is the ULTIMATE god simulator and sandbox game. A petri dish for your fantasy civilizations. Create your own world or destroy it using many powers. Watch civilizations grow, form kingdoms, colonize new lands, sail to far continents, wars to ignite, empires to fall and towns to burn!
- 4
Lifecraft
Single-player alternative to Biosys Inc — playable solo, no multiplayer required. Shares Simulation and Early Access with Biosys Inc.
Survive and evolve as an organism with this simulation game in which you will literally start as a single cell and manage and organize all its functions to a fully fledged system! Assemble, breathe, eat, fight threats, produce energy, grow, anything is possible!
- 5
Judgment: Apocalypse Survival Simulation
Single-player alternative to Biosys Inc — playable solo, no multiplayer required. Shares Indie and Simulation with Biosys Inc.
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
- 6
Autonauts
Single-player alternative to Biosys Inc — playable solo, no multiplayer required. Shares Indie and Simulation with Biosys Inc.
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.
- 7
Fata Deum - The God Sim
Single-player alternative to Biosys Inc — playable solo, no multiplayer required. Shares Simulation and Early Access with Biosys Inc.
Inspired by the god games of old, Fata Deum lets you mold settlements and townsfolk in your image. Will you raise the settlements to splendor, or spur them on to violent debauchery and demons? Watch as a living world grows under your whims.
- 8
Surviving Ceres
Single-player alternative to Biosys Inc — playable solo, no multiplayer required. Shares Indie and Simulation with Biosys Inc.
Explore a handcrafted survival game with an emphasis on crafting and base building. Export manufactured goods to earn funding, manage colonists, defend against hostile aliens, and work towards terraforming Ceres from a frozen ball of ice to a tropical paradise.
- 9
Pull Me In
Single-player alternative to Biosys Inc — playable solo, no multiplayer required. Shares Simulation with Biosys Inc.
Pull Me In is a supernatural life simulation where you build a home, form relationships, pursue strange Purposes and survive a town plagued by ghosts, demons, possession and unexplained phenomena. Live an ordinary life in a place where nothing is ordinary.