IMHO.

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. 1
    They Are Billions — Steam game cover

    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?

    2019Strategy29.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Rebuild 3: Gangs of Deadsville — Steam game cover

    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.

    2015StrategyIndieSimulation14.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Rebirth evolution — Steam game cover

    Rebirth evolution

    Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Indie with Infection Free Zone.

    2D pixel style simulation business strategy game Build and operate your own survivor base, recruit and cultivate various professional combatants. Clear zombie strongholds, reduce regional infections, survive in the apocalypse, and establish your own power.

    2023StrategyIndieSimulation8.99 USDSingle-playerSimilar games →
  4. 4
    Endzone - A World Apart — Steam game cover

    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.

    2021StrategyIndieSimulation24.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    After Inc: Revival — Steam game cover

    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.

    2025StrategySimulationEarly Access17.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Norland — Steam game cover

    Norland

    Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Simulation with Infection Free Zone.

    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.

    2024StrategySimulationRPG29.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Kingdoms and Castles — Steam game cover

    Kingdoms and Castles

    Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Strategy and Indie with Infection Free Zone.

    Kingdoms and Castles is a city-building simulation game about growing a kingdom from a tiny hamlet to a sprawling city and imposing castle. Make trade agreements, alliance, and war with neighboring AI controlled kingdoms. Each villager and resource is individually simulated.

    2017StrategyIndieSimulation14.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Frostpunk — Steam game cover

    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?

    2018StrategySimulation29.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    The Walking Dead — Steam game cover

    The Walking Dead

    Single-player alternative to Infection Free Zone — playable solo, no multiplayer required.

    A five-part adventure horror series set in the same universe as Robert Kirkman’s award-winning comic book series.

    2012Adventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    RimWorld — Steam game cover

    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.

    2018StrategyIndieSimulation34.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    From Glory To Goo — Steam game cover

    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.

    2024StrategySimulationEarly Access8.39 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    The Riftbreaker — Steam game cover

    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.

    2021ActionStrategyIndie11.99 USDDeck PlayableSingle-playerSimilar games →
  13. 13
    Dwarf Fortress — Steam game cover

    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.

    2022StrategyIndieSimulation23.99 USDDeck PlayableSingle-playerSimilar games →
  14. 14
    The Last Spell — Steam game cover

    The Last Spell

    Single-player alternative to Infection Free Zone — playable solo, no multiplayer required. Shares Action and Strategy with Infection Free Zone.

    Defend the last bastion of humanity with your squad of heroes! Exterminate fiendish monsters with magic and brute force by night and re-build your battered city defenses by day in this tactical RPG with rogue-lite mechanics.

    2023ActionStrategyIndie24.99 USDDeck VerifiedSingle-playerSimilar games →
  15. 15
    Project Zomboid — Steam game cover

    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..

    2013IndieSimulationRPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  16. 16
    State of Decay 2: Juggernaut Edition — Steam game cover

    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.

    2020ActionSimulationRPG29.99 USDDeck PlayableSingle-playerSimilar games →
  17. 17
    911 Operator — Steam game cover

    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!

    2017StrategyIndieSimulation14.99 USDSingle-playerSimilar games →
  18. 18
    112 Operator — Steam game cover

    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!

    2020StrategyIndieSimulation24.99 USDDeck PlayableSingle-playerSimilar games →
  19. 19
    Rustler (Grand Theft Horse) — Steam game cover

    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!

    2021ActionIndieAdventure24.99 USDDeck VerifiedSingle-playerSimilar games →
  20. 20
    Rustler: Prologue — Steam game cover

    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!

    2020ActionIndieRPGFreeSingle-playerSimilar games →