Games like Bepe War
Games like Bepe War include Totally Accurate Battle Simulator, Arma Reforger, Arma 3, Ravenfield, and Freeman: Guerrilla Warfare. We matched them by the tags players give Bepe War on Steam (Strategy, Wargame, Simulation, Sandbox, and FPS): closest matches first, and among equally close ones the better-known games.

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Strategy

Arma Reforger
Shared: Simulation · Shooter · Strategy

Arma 3
Shared: Simulation · Action · Shooter

Ravenfield
Shared: FPS · Sandbox · Shooter

Freeman: Guerrilla Warfare
Shared: Strategy · FPS · Shooter

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

Garry's Mod
Shared: Sandbox · Simulation · FPS

BeamNG.drive
Shared: Simulation · Driving · Sandbox

Counter-Strike 2
Shared: FPS · Shooter · Action

Total Tank Simulator
Shared: Strategy · Simulation · Sandbox

Ancient Warfare 3
Shared: Simulation · Strategy · Sandbox

Rising Front
Shared: Sandbox · Simulation · FPS

BONEWORKS
Shared: Sandbox · Action · Shooter

KovaaK's
Shared: Simulation · Shooter · Action

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

Ultimate Epic Battle Simulator 2
Shared: Strategy · Simulation · Sandbox

Hot Dogs, Horseshoes & Hand Grenades
Shared: Sandbox · Simulation · Shooter

WARDOGS
Shared: FPS · Action · Wargame

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

Squad
Shared: FPS · Shooter · Wargame

Animal Revolt Battle Simulator
Shared: Sandbox · Simulation · Strategy

Aimlabs
Shared: FPS · Simulation · Shooter

BONELAB
Shared: Sandbox · Shooter · FPS

GoreBox
Shared: Sandbox · FPS · Shooter