Games like Desktop Town
Games like Desktop Town include Townscaper, Tiny Glade, Planet Zoo, Two Point Museum, and Cities: Skylines II. We matched them by the tags players give Desktop Town on Steam (Idler, Casual, Sandbox, City Builder, and Cute): closest matches first, and among equally close ones the better-known games.

Townscaper
Shared: Sandbox · Casual · City Builder

Tiny Glade
Shared: Sandbox · Casual · Building

Planet Zoo
Shared: Sandbox · City Builder · Nature

Two Point Museum
Shared: Casual · City Builder · Sandbox

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

SUMMERHOUSE
Shared: Sandbox · Casual · City Builder

Cities: Skylines
Shared: City Builder · Sandbox · Building

Garden Galaxy
Shared: Idler · Sandbox · Cute

Timberborn
Shared: City Builder · Sandbox · Colony Sim

Banished
Shared: City Builder · Colony Sim · Sandbox

Planet Coaster
Shared: Sandbox · Building · Simulation

My Dream Setup
Shared: Sandbox · Casual · Building

Slime Rancher 2
Shared: Cute · Relaxing · Casual

Ballads of Hongye: REBORN
Shared: Casual · City Builder · Nature

Tiny Pasture
Shared: Idler · Cute · Casual

Planet Zoo 2
Shared: Casual · Sandbox · City Builder

Equilinox
Shared: Casual · Sandbox · Nature

Garry's Mod
Shared: Sandbox · Casual · Building

Foundation
Shared: City Builder · Sandbox · Simulation

Town to City
Shared: City Builder · Building · Cute

The Sims™ 4
Shared: Sandbox · Building · Casual

House Flipper
Shared: Sandbox · Casual · Building

Prison Architect
Shared: Sandbox · Building · Colony Sim

Gourdlets
Shared: Sandbox · City Builder · Cute