Games like Last Civilization: Inherited Flame
Games like Last Civilization: Inherited Flame include Frostpunk, RimWorld, Oxygen Not Included, Prison Architect, and Frostpunk 2. We matched them by the tags players give Last Civilization: Inherited Flame on Steam (Colony Sim, City Builder, Survival, Simulation, and Strategy): closest matches first, and among equally close ones the better-known games.

Frostpunk
Shared: City Builder · Survival · Colony Sim

RimWorld
Shared: Colony Sim · Survival · Strategy

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

Prison Architect
Shared: Simulation · Colony Sim · City Builder

Frostpunk 2
Shared: City Builder · Survival · Strategy

Manor Lords
Shared: City Builder · Strategy · Simulation

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

Dwarf Fortress
Shared: Colony Sim · Simulation · City Builder

Endzone - A World Apart
Shared: City Builder · Survival · Strategy

Banished
Shared: Colony Sim · City Builder · Simulation

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

This War of Mine
Shared: Survival · Strategy · Simulation

IXION
Shared: City Builder · Survival · Colony Sim

Rise to Ruins
Shared: Colony Sim · City Builder · Survival

They Are Billions
Shared: Colony Sim · Survival · Strategy

Against the Storm
Shared: City Builder · Simulation · Strategy

Space Haven
Shared: Colony Sim · Survival · Strategy

Empires of the Undergrowth
Shared: City Builder · Simulation · Strategy

Stonehearth
Shared: Colony Sim · City Builder · Survival

Planetbase
Shared: Colony Sim · City Builder · Survival

Workers & Resources: Soviet Republic
Shared: City Builder · Strategy · Simulation

Surviving the Aftermath
Shared: City Builder · Simulation · Strategy

Songs of Syx
Shared: Colony Sim · City Builder · Strategy

Dawn of Man
Shared: Colony Sim · City Builder · Survival