Games like Settlemoon
Games like Settlemoon include Digseum, Cookie Clicker, Nodebuster, Shelldiver, and Click and Conquer. We matched them by the tags players give Settlemoon on Steam (Casual, Simulation, Idler, City Builder, and 2D): closest matches first, and among equally close ones the better-known games.

Digseum
Shared: Casual · Idler · Simulation

Cookie Clicker
Shared: Idler · Casual · Pixel Graphics

Nodebuster
Shared: Casual · Idler · Simulation

Shelldiver
Shared: Casual · Idler · Simulation

Click and Conquer
Shared: Casual · Simulation · Idler

Cities: Skylines
Shared: Simulation · City Builder · Building

Mini Motorways
Shared: Simulation · Casual · Minimalist

TheoTown
Shared: Simulation · City Builder · Casual

Kingdom Two Crowns
Shared: City Builder · Minimalist · Building

Tower Wizard
Shared: Idler · 2D · Colorful

Click the Button
Shared: Casual · Idler · Simulation

Melvor Idle
Shared: Casual · Idler · 2D

Loot Loop
Shared: Casual · Simulation · Idler

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

Townscaper
Shared: Casual · City Builder · Simulation

Cast n Chill
Shared: Idler · Casual · Pixel Graphics

Prison Architect
Shared: Simulation · City Builder · Building

A Game About Feeding A Black Hole
Shared: Casual · Idler · Simulation

Project Highrise
Shared: Simulation · 2D · Casual

Foundation
Shared: Simulation · City Builder · Building

(the) Gnorp Apologue
Shared: Idler · Casual · Building

Tiny Pasture
Shared: Idler · Casual · Pixel Graphics

Papers, Please
Shared: Simulation · Pixel Graphics · Indie

SimAirport
Shared: Casual · City Builder · Simulation