Games like WOB
Games like WOB include Townscaper, Garry's Mod, House Flipper, Space Engineers, and SUMMERHOUSE. We matched them by the tags players give WOB on Steam (Casual, Simulation, Sandbox, 3D, and Colorful): closest matches first, and among equally close ones the better-known games.

Townscaper
Shared: Sandbox · Casual · Simulation

Garry's Mod
Shared: Sandbox · Casual · Building

House Flipper
Shared: Simulation · Casual · Sandbox

Space Engineers
Shared: Sandbox · Simulation · Building

SUMMERHOUSE
Shared: Sandbox · Casual · Colorful

My Dream Setup
Shared: Simulation · Casual · Sandbox

Cities: Skylines
Shared: Simulation · Sandbox · Building

PC Building Simulator
Shared: Simulation · Sandbox · 3D

Slime Rancher
Shared: Colorful · Sandbox · Simulation

PowerWash Simulator
Shared: Casual · Simulation · 3D

Goat Simulator
Shared: Simulation · Sandbox · Casual

Mini Motorways
Shared: Simulation · Casual · Minimalist

Dyson Sphere Program
Shared: Simulation · Building · Base Building

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Colorful

Cities: Skylines II
Shared: Simulation · Sandbox · Building

SpaceEngine
Shared: Casual · Sandbox · 3D

Planet Coaster 2
Shared: Simulation · Sandbox · 3D

Prison Architect
Shared: Simulation · Sandbox · Building

Kerbal Space Program
Shared: Simulation · Sandbox · Building

Slime Rancher 2
Shared: Colorful · Simulation · Casual

Planet Coaster
Shared: Simulation · Sandbox · Building

Hydroneer
Shared: Sandbox · Base Building · Simulation

Gas Station Simulator
Shared: Simulation · Casual · Building

Paralives
Shared: Simulation · Building · Sandbox