Games like Zombie Survival
Games like Zombie Survival include Frostpunk, They Are Billions, Oxygen Not Included, Infection Free Zone, and Kingdoms and Castles. We matched them by the tags players give Zombie Survival on Steam (Outbreak Sim, Real Time Tactics, Colony Sim, City Builder, and Artificial Intelligence): closest matches first, and among equally close ones the better-known games.

Frostpunk
Shared: City Builder · Colony Sim · Survival

They Are Billions
Shared: Colony Sim · Zombies · Survival

Oxygen Not Included
Shared: Colony Sim · Survival · Base Building

Infection Free Zone
Shared: City Builder · Zombies · Base Building

Kingdoms and Castles
Shared: Colony Sim · City Builder · Management

Manor Lords
Shared: City Builder · Base Building · Colony Sim

Settlement Survival
Shared: City Builder · Colony Sim · Building

RimWorld
Shared: Colony Sim · Survival · Base Building

Banished
Shared: Colony Sim · City Builder · Survival

Dwarf Fortress
Shared: Colony Sim · City Builder · Base Building

Against the Storm
Shared: City Builder · Colony Sim · Building

IXION
Shared: City Builder · Colony Sim · Survival

Timberborn
Shared: Colony Sim · City Builder · Building

Prison Architect
Shared: Colony Sim · Building · City Builder

Stronghold Crusader HD (2012)
Shared: Real Time Tactics · City Builder · Colony Sim

Going Medieval
Shared: Colony Sim · City Builder · Survival

Space Haven
Shared: Colony Sim · Survival · Base Building

Ostriv
Shared: City Builder · Colony Sim · Building

Workers & Resources: Soviet Republic
Shared: City Builder · Colony Sim · Base Building

Empires of the Undergrowth
Shared: City Builder · Colony Sim · Base Building

Endzone - A World Apart
Shared: City Builder · Survival · Colony Sim

Farthest Frontier
Shared: City Builder · Building · Colony Sim

Planetbase
Shared: Colony Sim · City Builder · Survival

Norland
Shared: City Builder · Colony Sim · Base Building