Games like One Tank Army
Games like One Tank Army include War Thunder, Men of War: Assault Squad 2, Sprocket, Hearts of Iron IV, and Gunner, HEAT, PC!. We matched them by the tags players give One Tank Army on Steam (Tanks, Simulation, Vehicular Combat, War, and Military): closest matches first, and among equally close ones the better-known games.

War Thunder
Shared: Vehicular Combat · Simulation · War

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

Sprocket
Shared: War · Vehicular Combat · Military

Hearts of Iron IV
Shared: War · World War II · Military

Gunner, HEAT, PC!
Shared: Tanks · Simulation · Vehicular Combat

Company of Heroes 2
Shared: World War II · War · Military

UBOAT
Shared: Simulation · World War II · Military

Tank Squad
Shared: Tanks · Simulation · Vehicular Combat

Arma 3
Shared: Military · Simulation · War

Battlefield™ 2042
Shared: Military · War · Singleplayer

IRON NEST: Heavy Turret Simulator
Shared: Simulation · Military · War

Squad 44
Shared: Simulation · World War II · Military

Hell Let Loose
Shared: World War II · War · Military

Nuclear Option
Shared: Simulation · Military · War

Call to Arms - Gates of Hell: Ostfront
Shared: World War II · War · Military

Battlefield™ V
Shared: War · World War II · Military

VTOL VR
Shared: Simulation · Military · War

Steel Division 2
Shared: War · Military · World War II

Squad
Shared: Military · PvE · War

IL-2 Sturmovik: Battle of Stalingrad
Shared: Simulation · War · World War II

Call to Arms: Panzer Elite
Shared: Tanks · Simulation · World War II

Panzer Knights
Shared: Tanks · War · World War II

WARNO
Shared: Military · Tanks · War

Total Tank Simulator
Shared: Simulation · Tanks · World War II