Games like Swarm the City: Zombie Evolved
Games like Swarm the City: Zombie Evolved include Plague Inc: Evolved, Infection Free Zone, They Are Billions, Game Dev Tycoon, and Quarantine Zone: The Last Check. We matched them by the tags players give Swarm the City: Zombie Evolved on Steam (RTS, Zombies, Villain Protagonist, Replay Value, and Post-apocalyptic): closest matches first, and among equally close ones the better-known games.

Plague Inc: Evolved
Shared: Zombies · Singleplayer · Strategy

Infection Free Zone
Shared: Zombies · Post-apocalyptic · RTS

They Are Billions
Shared: Zombies · RTS · Strategy

Game Dev Tycoon
Shared: Management · Singleplayer · Strategy

Quarantine Zone: The Last Check
Shared: Zombies · Post-apocalyptic · Singleplayer

Cities: Skylines
Shared: Management · Singleplayer · Strategy

Frostpunk
Shared: Post-apocalyptic · Strategy · Resource Management

Dungeons 3
Shared: Villain Protagonist · RTS · Strategy

Plants vs. Zombies GOTY Edition
Shared: Zombies · Singleplayer · Strategy

Cepheus Protocol
Shared: Zombies · RTS · Post-apocalyptic

Diplomacy is Not an Option
Shared: Zombies · RTS · Resource Management

Age of Empires II (Retired)
Shared: RTS · Strategy · Singleplayer

Evil Genius 2: World Domination
Shared: Villain Protagonist · Strategy · Singleplayer

Dune: Spice Wars
Shared: RTS · Singleplayer · Management

Starship Troopers: Terran Command
Shared: RTS · Singleplayer · Strategy

Infectonator 3: Apocalypse
Shared: Zombies · Singleplayer · Villain Protagonist

Lobotomy Corporation | Monster Management Simulation
Shared: Management · Difficult · Singleplayer

FTL: Faster Than Light
Shared: Singleplayer · Replay Value · Strategy

Door Kickers
Shared: Singleplayer · Strategy · Replay Value

Two Point Hospital
Shared: Management · Singleplayer · Simulation

Frostpunk 2
Shared: Post-apocalyptic · Singleplayer · Strategy

This War of Mine
Shared: Singleplayer · Strategy · Post-apocalyptic

Project Zomboid
Shared: Zombies · Post-apocalyptic · Indie

Shadow Tactics: Blades of the Shogun
Shared: Singleplayer · Strategy · RTS