Games like Totally Accurate Battle Simulator
Games like Totally Accurate Battle Simulator include Garry's Mod, Mount & Blade II: Bannerlord, Goat Simulator, Total Tank Simulator, and Ultimate Epic Battle Simulator. We matched them by the tags players give Totally Accurate Battle Simulator on Steam (Sandbox, Simulation, Funny, War, and Strategy): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Sandbox · Funny · Physics

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

Goat Simulator
Shared: Simulation · Funny · Sandbox

Total Tank Simulator
Shared: Simulation · Sandbox · Strategy

Ultimate Epic Battle Simulator
Shared: Sandbox · Simulation · War

Planet Coaster
Shared: Simulation · Sandbox · Strategy

Animal Revolt Battle Simulator
Shared: Sandbox · Simulation · Funny

People Playground
Shared: Sandbox · Physics · Simulation

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

BeamNG.drive
Shared: Simulation · Sandbox · Physics

Slime Rancher
Shared: Sandbox · Singleplayer · Funny

Ravenfield
Shared: War · Sandbox · Singleplayer

Kerbal Space Program
Shared: Simulation · Sandbox · Physics

Cooking Simulator
Shared: Simulation · Sandbox · Funny

Shieldwall
Shared: Simulation · War · Strategy

Ancient Warfare 3
Shared: Sandbox · Simulation · Strategy

Poly Bridge
Shared: Simulation · Sandbox · Physics

Two Point Hospital
Shared: Simulation · Funny · Sandbox

Teardown
Shared: Sandbox · Physics · Singleplayer

Turbo Dismount™
Shared: Simulation · Funny · Physics

Planet Coaster 2
Shared: Sandbox · Simulation · Strategy

Cities: Skylines
Shared: Simulation · Sandbox · Strategy

Human Fall Flat
Shared: Funny · Sandbox · Physics

Wobbly Life
Shared: Sandbox · Simulation · Funny