Games like Demolish & Build 2017
Games like Demolish & Build 2017 include Garry's Mod, Brick Rigs, BeamNG.drive, House Flipper, and Goat Simulator. We matched them by the tags players give Demolish & Build 2017 on Steam (Simulation, Building, Destruction, Singleplayer, and Sandbox): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Sandbox · Building · Singleplayer

Brick Rigs
Shared: Building · Destruction · Sandbox

BeamNG.drive
Shared: Simulation · Destruction · Sandbox

House Flipper
Shared: Simulation · Singleplayer · Building

Goat Simulator
Shared: Simulation · Sandbox · Destruction

People Playground
Shared: Sandbox · Simulation · Singleplayer

Space Engineers
Shared: Building · Simulation · Sandbox

My Summer Car
Shared: Simulation · Open World · Building

The Forest
Shared: Building · Open World · First-Person

Scrap Mechanic
Shared: Building · Sandbox · Open World

Cities: Skylines
Shared: Simulation · Building · Sandbox

Gas Station Simulator
Shared: Simulation · Building · Singleplayer

Jurassic World Evolution
Shared: Building · Simulation · Sandbox

Slime Rancher
Shared: Singleplayer · First-Person · Open World

Planet Coaster
Shared: Simulation · Building · Sandbox

Cities: Skylines II
Shared: Simulation · Building · Sandbox

PC Building Simulator
Shared: Simulation · Building · Sandbox

Car Mechanic Simulator 2018
Shared: Simulation · Building · Singleplayer

Thief Simulator
Shared: Simulation · Singleplayer · First-Person

Jurassic World Evolution 2
Shared: Building · Simulation · Sandbox

Fireworks Mania - An Explosive Simulator
Shared: Building · Sandbox · Singleplayer

Just Cause™ 3
Shared: Destruction · Open World · Singleplayer

Grand Theft Auto V Legacy
Shared: Open World · Action · First-Person

LEGO® Worlds
Shared: Building · Sandbox · Open World