Single-player games like Infection Free Zone
Below are 20 single-player Steam games similar to Infection Free Zone, 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 Infection Free Zone page.
Ranked picks
- 1
They Are Billions
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy with Infection Free Zone.
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
- 2
Endzone - A World Apart
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Indie with Infection Free Zone.
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
Rebuild 3: Gangs of Deadsville
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Indie with Infection Free Zone.
Rebuild a ruined city in this post-apocalyptic mix of strategy and simulation. Manage survivors, scavenge for food and supplies, deal with rival gangs, illness, interpersonal strife and zombie attacks.
- 4
After Inc: Revival
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Simulation with Infection Free Zone.
Can you rebuild civilisation after a zombie apocalypse? From the creator of Plague Inc. comes a unique blend of strategic simulation, survival city builder and ‘mini 4X’. Build settlements, harvest resources and shape society as you lead Humanity out of the darkness.
- 5
Judgment: Apocalypse Survival Simulation
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Indie with Infection Free Zone.
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
- 6
RimWorld
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Indie with Infection Free Zone.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 7
Frostpunk
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Simulation with Infection Free Zone.
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?
- 8
Farthest Frontier
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Indie with Infection Free Zone.
Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats.
- 9
From Glory To Goo
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Simulation with Infection Free Zone.
From Glory To Goo is a Sci-Fi survival RTS set on an alien world. Serve as humanity's bulwark by establishing a colony and supporting your colonists still in orbit. But beware, for The Goo, a relentless and shape-shifting force approaches from all sides, even above and below.
- 10
The Riftbreaker
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Action and Strategy with Infection Free Zone.
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
- 11
Dwarf Fortress
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Indie with Infection Free Zone.
Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.
- 12
Project Zomboid
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Indie and Simulation with Infection Free Zone.
Project Zomboid is the ultimate in zombie survival. Alone or in MP: you loot, build, craft, fight, farm and fish in a struggle to survive. A hardcore RPG skillset, a vast map, massively customisable sandbox and a cute tutorial raccoon await the unwary. So how will you die? All it takes is a bite..
- 13
State of Decay 2: Juggernaut Edition
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Action and Simulation with Infection Free Zone.
The dead have risen and civilization has fallen. Now it's up to you to gather survivors, scavenge for resources and build a community in a post-apocalyptic world – a world where you define what it means to survive in this ultimate zombie survival simulation.
- 14
This War of Mine
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Indie and Simulation with Infection Free Zone.
In This War Of Mine you do not play as an elite soldier, rather a group of civilians trying to survive in a besieged city; struggling with lack of food, medicine and constant danger from snipers and hostile scavengers. The game provides an experience of war seen from an entirely new angle.
- 15
Diplomacy is Not an Option
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Action and Strategy with Infection Free Zone.
Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?
- 16
Stronghold 2: Steam Edition
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Simulation with Infection Free Zone.
Tax, torture or treat your peasants! Rehabilitate criminals or sentence them to death? Decide as you enjoy jousting over a lavish banquet, all while under siege from the warmongering Lord Barclay.
- 17
911 Operator
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Indie with Infection Free Zone.
Game about the difficult work of people that manage emergency lines and services. Answer incoming calls and react properly - give first aid instructions, advise, dispatch correct number of firemen / police / ambulances, or sometimes - just ignore the call. Play on ANY CITY in the world!
- 18
112 Operator
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Indie with Infection Free Zone.
Manage emergency services in any city in the world! Take calls and dispatch rescue forces. Handle difficult situations, now depending on the weather, and traffic. Help the citizens through cataclysms and natural disasters, becoming a better emergency number operator every day!
- 19
Rustler (Grand Theft Horse)
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Action and Indie with Infection Free Zone.
Become a medieval thug in a crazy open-world action game, full of pop-culture references. Complete insane quests, kill heroes, steal horses, fight guards, rob peasants, listen to some bard music, and much more! All packed in old-school gameplay style!
- 20
Rustler: Prologue
Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Action and Indie with Infection Free Zone.
Become a medieval thug in a crazy Prologue to an open-world action game, full of pop-culture references. Complete insane quests, kill heroes, steal horses, fight guards, rob peasants and more! All packed in old-school gameplay style!