Games like Demolish & Build 3
Games like Demolish & Build 3 include BeamNG.drive, Euro Truck Simulator 2, American Truck Simulator, Planet Coaster, and Gold Mining Simulator. We matched them by the tags players give Demolish & Build 3 on Steam (Simulation, Indie, First-Person, Realistic, and Driving): closest matches first, and among equally close ones the better-known games.

BeamNG.drive
Shared: Simulation · Driving · Realistic

Euro Truck Simulator 2
Shared: Simulation · Driving · Realistic

American Truck Simulator
Shared: Simulation · Driving · Realistic

Planet Coaster
Shared: Simulation · Management · Family Friendly

Gold Mining Simulator
Shared: Simulation · Realistic · Indie

Gas Station Simulator
Shared: Simulation · First-Person · Management

Supermarket Simulator
Shared: Simulation · Management · First-Person

Farming Simulator 19
Shared: Simulation · Realistic · Driving

Cooking Simulator
Shared: Simulation · Realistic · First-Person

Totally Accurate Battle Simulator
Shared: Simulation · Indie · Realistic

Train Sim World® 2
Shared: Simulation · Realistic · Driving

City Car Driving
Shared: Simulation · Driving · Realistic

Cities: Skylines
Shared: Simulation · Management · Strategy

Tank Mechanic Simulator
Shared: Simulation · Realistic · First-Person

House Flipper
Shared: Simulation · Singleplayer · Relaxing

Crime Scene Cleaner
Shared: Simulation · First-Person · Relaxing

Drug Dealer Simulator
Shared: Simulation · Indie · Singleplayer

PC Building Simulator
Shared: Simulation · First-Person · Management

Electrician Simulator
Shared: Simulation · First-Person · Indie

Game Dev Tycoon
Shared: Simulation · Indie · Management

Euro Truck Simulator
Shared: Simulation · Driving · Realistic

Car Mechanic Simulator 2018
Shared: Simulation · Driving · Realistic

My Summer Car
Shared: Simulation · Driving · Realistic

Cities: Skylines II
Shared: Simulation · Management · Realistic