Games like Arma 3 Tanks
Games like Arma 3 Tanks include Arma 3, Men of War: Assault Squad 2, Arma Reforger, Hell Let Loose: Vietnam, and War Thunder. We matched them by the tags players give Arma 3 Tanks on Steam (Simulation, Strategy, Action, Military, and Tanks): closest matches first, and among equally close ones the better-known games.

Arma 3
Shared: Action · Military · Simulation

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

Arma Reforger
Shared: Simulation · Military · Action

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

War Thunder
Shared: Simulation · Action · Military

Call to Arms
Shared: Strategy · Military · Action

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

Total Tank Simulator
Shared: Simulation · Strategy · Action

Hearts of Iron IV
Shared: Strategy · Military · Simulation

Squad 44
Shared: Simulation · Military · Singleplayer

Sea Power : Naval Combat in the Missile Age
Shared: Simulation · Strategy · Military

Company of Heroes 2
Shared: Strategy · Military · Singleplayer

Steel Division: Normandy 44
Shared: Strategy · Simulation · Military

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

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Singleplayer

Steel Division 2
Shared: Strategy · Military · Simulation

UBOAT
Shared: Simulation · Military · Singleplayer

Ravenfield
Shared: Military · Singleplayer · Action

Mount & Blade: Warband
Shared: Strategy · Action · Military

Company of Heroes - Legacy Edition
Shared: Strategy · Military · Action

Bomber Crew
Shared: Simulation · Strategy · Singleplayer

Total War: THREE KINGDOMS
Shared: Strategy · Military · Singleplayer

Halo Wars: Definitive Edition
Shared: Strategy · Singleplayer · Military

ARMA: Cold War Assault Remastered
Shared: Simulation · Action · Strategy