Games like Stormworks: Search and Destroy
Games like Stormworks: Search and Destroy include Arma 3, Mount & Blade II: Bannerlord, Arma Reforger, Totally Accurate Battle Simulator, and War Thunder. We matched them by the tags players give Stormworks: Search and Destroy on Steam (Simulation, Strategy, War, Action, and Sandbox): closest matches first, and among equally close ones the better-known games.

Arma 3
Shared: Action · Simulation · Multiplayer

Mount & Blade II: Bannerlord
Shared: Strategy · War · Multiplayer

Arma Reforger
Shared: Simulation · Action · Strategy

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · War

War Thunder
Shared: Simulation · Action · War

Garry's Mod
Shared: Sandbox · Multiplayer · Building

Arma 2: Operation Arrowhead
Shared: Simulation · Action · Strategy

Call to Arms
Shared: Strategy · Action · War

Holdfast: Nations At War
Shared: War · Multiplayer · Action

Hearts of Iron IV
Shared: Strategy · War · Simulation

Men of War: Assault Squad 2
Shared: Strategy · War · Simulation

Prison Architect
Shared: Simulation · Sandbox · Strategy

Planet Coaster
Shared: Simulation · Sandbox · Strategy

House Flipper
Shared: Simulation · Multiplayer · Building

Total Tank Simulator
Shared: Simulation · Strategy · Action

Hell Let Loose: Vietnam
Shared: Simulation · Strategy · Action

Once Human
Shared: Action · Multiplayer · Building

FPV Kamikaze Drone
Shared: Simulation · War · Action

Ultimate Epic Battle Simulator
Shared: Simulation · War · Strategy

Jurassic World Evolution
Shared: Simulation · Strategy · Building

Cities: Skylines
Shared: Simulation · Strategy · Building

Battlefield™ 6
Shared: Multiplayer · Action · War

Space Engineers
Shared: Simulation · Sandbox · Building

Ravenfield
Shared: War · Sandbox · Action