Games like Endzone 2
Games like Endzone 2 include Frostpunk, Endzone - A World Apart, Manor Lords, Oxygen Not Included, and Kingdoms and Castles. We matched them by the tags players give Endzone 2 on Steam (Colony Sim, City Builder, Post-apocalyptic, Survival, and Sandbox): closest matches first, and among equally close ones the better-known games.

Frostpunk
Shared: City Builder · Survival · Colony Sim

Endzone - A World Apart
Shared: City Builder · Survival · Post-apocalyptic

Manor Lords
Shared: City Builder · Simulation · Colony Sim

Oxygen Not Included
Shared: Colony Sim · Survival · Building

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

Prison Architect
Shared: Colony Sim · Simulation · Sandbox

RimWorld
Shared: Colony Sim · Survival · Sandbox

Banished
Shared: Colony Sim · City Builder · Survival

Cities: Skylines
Shared: City Builder · Simulation · Building

Timberborn
Shared: Colony Sim · City Builder · Sandbox

Dwarf Fortress
Shared: Colony Sim · City Builder · Simulation

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

Foundation
Shared: City Builder · Simulation · Sandbox

Empires of the Undergrowth
Shared: City Builder · Colony Sim · Simulation

Cities: Skylines II
Shared: City Builder · Simulation · Sandbox

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

Settlement Survival
Shared: City Builder · Colony Sim · Survival

IXION
Shared: City Builder · Colony Sim · Survival

Frostpunk 2
Shared: City Builder · Survival · Post-apocalyptic

Space Haven
Shared: Colony Sim · Survival · Simulation

Norland
Shared: City Builder · Colony Sim · Simulation

Ostriv
Shared: City Builder · Colony Sim · Simulation

Infection Free Zone
Shared: Post-apocalyptic · City Builder · Survival

The Wandering Village
Shared: City Builder · Colony Sim · Post-apocalyptic

