Games like M4 Tank Brigade
Games like M4 Tank Brigade include War Thunder, Arma 3, Squad 44, Hell Let Loose, and WARDOGS. We matched them by the tags players give M4 Tank Brigade on Steam (Simulation, Action, Massively Multiplayer, Tanks, and World War II): closest matches first, and among equally close ones the better-known games.

War Thunder
Shared: Action · Simulation · World War II

Arma 3
Shared: Action · Simulation · Military

Squad 44
Shared: Simulation · World War II · Military

Hell Let Loose
Shared: World War II · Action · Multiplayer

WARDOGS
Shared: Action · Military · Multiplayer

Battlefield™ V
Shared: World War II · Multiplayer · Massively Multiplayer

Arma Reforger
Shared: Simulation · Military · Action

Men of War: Assault Squad 2
Shared: Simulation · World War II · Action

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

BattleBit Remastered
Shared: Massively Multiplayer · Military · Multiplayer

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

PUBG: BATTLEGROUNDS
Shared: Action · Multiplayer · Shooter

Squad
Shared: Military · Multiplayer · Action

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

Bodycam
Shared: Military · Multiplayer · Simulation

Enlisted
Shared: Action · World War II · Multiplayer

Red Orchestra 2: Heroes of Stalingrad with Rising Storm
Shared: World War II · Multiplayer · Action

Hearts of Iron IV
Shared: World War II · Simulation · Strategy

Battlefield™ 6
Shared: Action · Military · Multiplayer

ShellShock Live
Shared: Tanks · Action · Multiplayer

War of Rights
Shared: Action · Simulation · Military

Call to Arms
Shared: Action · Military · Simulation

FPV Kamikaze Drone
Shared: Simulation · Action · Shooter

Call of Duty®
Shared: Action · Multiplayer · Military