Single-player games like Swarm the City: Prologue
Below are 8 single-player Steam games similar to Swarm the City: Prologue, 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 Swarm the City: Prologue page.
Ranked picks
- 1

Swarm the City: Zombie Evolved
Single-player alternative to Swarm the City: Prologue — playable solo, no multiplayer required. Shares Strategy and Indie with Swarm the City: Prologue.
Swarm the City: Zombie Evolved is a villain protagonist real-time strategy game. You will play as the King of the Dead and rule the world once again by creating zombie legions and destroying human cities. As the King of the Dead, you can infect humans, turn them into zombies and rule the world!
- 2

Rebirth evolution
Single-player alternative to Swarm the City: Prologue — playable solo, no multiplayer required. Shares Strategy and Indie with Swarm the City: Prologue.
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.
- 3

They Are Billions
Single-player alternative to Swarm the City: Prologue — playable solo, no multiplayer required. Shares Strategy with Swarm the City: Prologue.
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?
- 4

Infection Free Zone
Single-player alternative to Swarm the City: Prologue — playable solo, no multiplayer required. Shares Strategy and Indie with Swarm the City: Prologue.
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!
- 5

Dungeons 2
Single-player alternative to Swarm the City: Prologue — playable solo, no multiplayer required. Shares Strategy and Simulation with Swarm the City: Prologue.
The Dungeon Lord is back – and this time he’s serious! In Dungeons 2, fulfil the Dungeon Lord’s insatiable quest for vengeance by recruiting fearsome new monsters from all corners of the underworld in order to undertake his evil bidding.
- 6

Dungeons 3
Single-player alternative to Swarm the City: Prologue — playable solo, no multiplayer required. Shares Strategy and Simulation with Swarm the City: Prologue.
At last, the Dungeon Lord has successfully united the forces of evil and established his dark empire. Time for the next step in his most diabolical quest: expansion!
- 7

Stronghold Crusader HD (2012)
Single-player alternative to Swarm the City: Prologue — playable solo, no multiplayer required. Shares Strategy and Simulation with Swarm the City: Prologue.
The highly anticipated sequel to the best-selling Stronghold, Stronghold Crusader HD throws you into historic battles and castle sieges from the Crusades with fiendish AI opponents, new units, 4 historical campaigns and over 100 unique skirmish missions.
- 8

Demigod
Single-player alternative to Swarm the City: Prologue — playable solo, no multiplayer required. Shares Strategy and Indie with Swarm the City: Prologue.
Set in a magical world where gods walk among mortals, Demigod blends action, strategy and role-playing elements into a thrilling new experience.