Single-player games like Project Apocalypse
Below are 9 single-player Steam games similar to Project Apocalypse, 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 Project Apocalypse page.
Ranked picks
- 1
They Are Billions
Single-player alternative to Project Apocalypse — playable solo, no multiplayer required. Shares Strategy with Project Apocalypse.
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
Judgment: Apocalypse Survival Simulation
Single-player alternative to Project Apocalypse — playable solo, no multiplayer required. Shares Strategy and Indie with Project Apocalypse.
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
- 3
Rebirth evolution
Single-player alternative to Project Apocalypse — playable solo, no multiplayer required. Shares Strategy and Indie with Project Apocalypse.
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
New Cycle
Single-player alternative to Project Apocalypse — playable solo, no multiplayer required. Shares Strategy and Indie with Project Apocalypse.
New Cycle is a city building game with focus on survival. After an apocalyptic series of solar flares, human society has been thrown into disarray. Establish a settlement and develop it all the way from humble beginnings to industrial metropolis.
- 5
Against the Storm
Single-player alternative to Project Apocalypse — playable solo, no multiplayer required. Shares Strategy with Project Apocalypse.
A dark fantasy city builder where you must rebuild civilization in the face of apocalyptic rains. As the Queen’s Viceroy, lead humans, beavers, lizards, foxes, and harpies to reclaim the wilderness and secure a future for civilization's last survivors.
- 6
Infection Free Zone
Single-player alternative to Project Apocalypse — playable solo, no multiplayer required. Shares Strategy and Indie with Project Apocalypse.
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!
- 7
Zombie Cure Lab
Single-player alternative to Project Apocalypse — playable solo, no multiplayer required. Shares Strategy with Project Apocalypse.
In a world overrun by the undead, build a lab to fight back with science. Manage survivors, gather vital resources, and turn zombies into allies. Defend your base and research the cure to reclaim humanity.
- 8
Frostpunk
Single-player alternative to Project Apocalypse — playable solo, no multiplayer required. Shares Strategy with Project Apocalypse.
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?
- 9
Synthetica: Cyber Club Manager
Single-player alternative to Project Apocalypse — playable solo, no multiplayer required. Shares Strategy with Project Apocalypse.
Run a cyberpunk club for lonely souls. Manage your business, craft unique android workers, and change clients’ lives through your decisions. Will you lead your club to success or let it fade into the shadows?