Games like The HELL
Games like The HELL include Manor Lords, Frostpunk, Against the Storm, RimWorld, and Empires of the Undergrowth. We matched them by the tags players give The HELL on Steam (Survival, Colony Sim, Real Time Tactics, City Builder, and Simulation): closest matches first, and among equally close ones the better-known games.

Manor Lords
Shared: City Builder · Simulation · Base Building

Frostpunk
Shared: Survival · City Builder · Colony Sim

Against the Storm
Shared: City Builder · Simulation · Base Building

RimWorld
Shared: Colony Sim · Survival · Base Building

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

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

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

Dwarf Fortress
Shared: Colony Sim · Simulation · Base Building

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

Norland
Shared: City Builder · Colony Sim · Simulation

Prison Architect
Shared: Simulation · Colony Sim · Base Building

Settlement Survival
Shared: Colony Sim · Survival · City Builder

Ostriv
Shared: City Builder · Colony Sim · Simulation

Banished
Shared: Colony Sim · City Builder · Survival

IXION
Shared: Survival · City Builder · Colony Sim

Space Haven
Shared: Colony Sim · Survival · Base Building

Timberborn
Shared: Colony Sim · City Builder · Survival

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

Going Medieval
Shared: Colony Sim · Survival · Base Building

They Are Billions
Shared: Colony Sim · Survival · Base Building

Whiskerwood
Shared: City Builder · Colony Sim · Simulation

Songs of Syx
Shared: Colony Sim · City Builder · Base Building

Cataclismo
Shared: City Builder · Simulation · Base Building

Planetbase
Shared: Colony Sim · City Builder · Survival