Games like Scorchlands
Games like Scorchlands include Kingdoms and Castles, Oxygen Not Included, Prison Architect, Banished, and Frostpunk. We matched them by the tags players give Scorchlands on Steam (Hex Grid, Resource Management, Stylized, Singleplayer, and City Builder): closest matches first, and among equally close ones the better-known games.

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

Oxygen Not Included
Shared: Resource Management · Colony Sim · Singleplayer

Prison Architect
Shared: Sandbox · Colony Sim · City Builder

Banished
Shared: City Builder · Colony Sim · Singleplayer

Frostpunk
Shared: Resource Management · City Builder · Colony Sim

Cities: Skylines
Shared: City Builder · Singleplayer · Management

RimWorld
Shared: Colony Sim · Singleplayer · Base Building

Manor Lords
Shared: City Builder · Strategy · Resource Management

Factorio
Shared: Resource Management · Sandbox · Base Building

Dyson Sphere Program
Shared: Resource Management · Base Building · City Builder

Foundation
Shared: City Builder · Resource Management · Sandbox

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

Against the Storm
Shared: City Builder · Resource Management · Strategy

Timberborn
Shared: City Builder · Colony Sim · Sandbox

Ostriv
Shared: City Builder · Colony Sim · Resource Management

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

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

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

Captain of Industry
Shared: Resource Management · Base Building · City Builder

Norland
Shared: City Builder · Resource Management · Colony Sim

Frostpunk 2
Shared: Resource Management · City Builder · Singleplayer

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

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

shapez
Shared: Resource Management · Singleplayer · Sandbox