Single-player games like Quarantineer
Below are 8 single-player Steam games similar to Quarantineer, 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 Quarantineer page.
Ranked picks
- 1
Kingdom Wars 4
Single-player alternative to Quarantineer — playable solo, no multiplayer required. Shares Strategy and Indie with Quarantineer.
It's 1347, the time of the Hundred Years' War. In this historical grand strategy and RTS hybrid you play as one of 200 minor lords across medieval Europe, Africa or Middle East. Rise up to take over your Kingdom and be crowned, then fight to preserve your empire as Black Death descends on Europe.
- 2
Infection Free Zone
Single-player alternative to Quarantineer — playable solo, no multiplayer required. Shares Strategy and Indie with Quarantineer.
Choose any real region from the world. Choose your base of operations, then rebuild and readapt the buildings around you to create a self-sustaining settlement. Take charge of a group of survivors from your city. And when the night falls - Defend the zone from the infected!
- 3
Rebirth evolution
Single-player alternative to Quarantineer — playable solo, no multiplayer required. Shares Strategy and Indie with Quarantineer.
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.
- 4
After Long Night
Single-player alternative to Quarantineer — playable solo, no multiplayer required. Shares Strategy and Indie with Quarantineer.
After Long Night is a sandbox survival RTS. Build and fortify your base, scavenge every corner for vital resources, craft deadly weapons, and raise a militia to fight off relentless zombie hordes that strike every night. In this world, scavenging isn't just survival—it's strategy, power and war.
- 5
After Inc: Revival
Single-player alternative to Quarantineer — playable solo, no multiplayer required. Shares Strategy and Simulation with Quarantineer.
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.
- 6
Dawn of Man
Single-player alternative to Quarantineer — playable solo, no multiplayer required. Shares Strategy and Indie with Quarantineer.
Command a settlement of ancient humans, guide them through the ages in their struggle for survival. Hunt, gather, craft tools, fight, research new techs and face the challenges the environment will throw at you.
- 7
Stronghold: Definitive Edition
Single-player alternative to Quarantineer — playable solo, no multiplayer required. Shares Strategy and Simulation with Quarantineer.
Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.
- 8
They Are Billions
Single-player alternative to Quarantineer — playable solo, no multiplayer required. Shares Strategy with Quarantineer.
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?