Games like Dieselpunk Wars
Games like Dieselpunk Wars include Besiege, Brick Rigs, People Playground, Garry's Mod, and BeamNG.drive. We matched them by the tags players give Dieselpunk Wars on Steam (Sandbox, Building, Physics, Destruction, and Simulation): closest matches first, and among equally close ones the better-known games.

Besiege
Shared: Sandbox · Physics · Simulation

Brick Rigs
Shared: Sandbox · Building · Destruction

People Playground
Shared: Sandbox · Physics · Destruction

Garry's Mod
Shared: Sandbox · Physics · Building

BeamNG.drive
Shared: Physics · Simulation · Sandbox

Teardown
Shared: Sandbox · Physics · Destruction

Space Engineers
Shared: Sandbox · Building · Physics

War Thunder
Shared: Vehicular Combat · Simulation · Flight

Totally Accurate Battle Simulator
Shared: Sandbox · Simulation · Physics

Sprocket
Shared: Sandbox · Building · Vehicular Combat

Kerbal Space Program
Shared: Sandbox · Physics · Simulation

From the Depths
Shared: Sandbox · Building · Physics

SimplePlanes
Shared: Sandbox · Physics · Building

Stormworks: Build and Rescue
Shared: Sandbox · Building · Physics

Aviassembly
Shared: Building · Physics · Sandbox

Goat Simulator
Shared: Sandbox · Simulation · Physics

Scrap Mechanic
Shared: Sandbox · Building · Physics

Medieval Engineers
Shared: Sandbox · Building · Physics

Poly Bridge
Shared: Building · Physics · Sandbox

Fun with Ragdolls: The Game
Shared: Sandbox · Physics · Simulation

Space Engineers 2
Shared: Sandbox · Building · Physics

Total Tank Simulator
Shared: Sandbox · Simulation · Physics

Hardspace: Shipbreaker
Shared: Physics · Simulation · Sandbox

VTOL VR
Shared: Simulation · Flight · Physics