What game in the Gears of War series sold the most copies?
Gears of War I
Gears of War 3
Gears of War 2
Gears of War 3
Gears of War 2
Gears of War 3
Gears of War 2
Gears of War
Gears of War 3
Gears of War 4
Gears of War 2
Gears of War
Gears of War 3
Gears of War 4
Gears of War 2
Gears of War
Gears of War 1
Gears of War 3
Gears of War 4
Gears of War 2
Gears of War III
Gears of War
Gears of War 1
Gears of War 3
Gears of War 4
Gears of War 2
Gears of War: 3D Edition
Call of Duty: Ghosts
Gears of War: Battlefield 2
Gears of War: Battlefield 3
Gears of War II
Gears of War 5
Gears of War III
Gears of War
Gears of War 1
Gears of War 3
Gears of War 4
Call of Duty: Ghosts
Gears of War 2
Gears of War: 3D Edition
Gears of War: Battlefield 2
Gears of War: Battlefield 3
Gears of War II
Gears of War 5
Gears of War: The Last Guardian
Gears of War: 2
Gears of War III
Gears of War
Gears of War 1
Gears of War 3
Gears of War: Battlefield 1
Gears of War 4
Gears of War 2
Gears of War: 3D Edition
Gears of War: Battlefield 2
Gears of War: Battlefield 3
Gears of War II
Call of Duty: Ghosts
Gears of War: 3D
Gears of War 5
Gears of War: The Last Guardian
Gears of War: Infinity
Gears of War: 2
Gears of War: 3
Gears of War III
Gears of War
Gears of War 1
Gears of War: Battlefield 1
Gears of War 4
Grand Theft Auto V
Gears of War: 3D Edition
Gears of War 3
Call of Duty: Ghosts
Gears of War: Battlefield 2
Gears of War: Battlefield 3
Grand Theft Auto IV
Gears of War 2
Galactic Battlegrounds
Gears of War II
Gears of War: 3D
Gears of War: The Master Chief
Gears of War 5
Gears of War: The Last Guardian
Gears of War: Infinity
Gears of War: 2
Gears of War: 3
Gears of War III
Gears of War
Gears of War 1
Gears of War: Battlefield 1
Gears of War 4
Grand Theft Auto V
Gears of War: 3D Edition
Infinite Warfare
Gears of War 3
Call of Duty: Ghosts
Grand Theft Auto IV
Galactic Battlegrounds
Gears of War: Battlefield 2
Gears of War: Battlefield 3
Assassin's Creed III
Gears of War 2
Gears of War II
Gears of War: 3D
Gears of War: The Master Chief
Gears of War 5
Gears of War: The Last Guardian
Gears of War: 2
Grand Theft Auto III
Gears of War: 3
Gears of War III
Gears of War
Assassin's Creed II
Grand Theft Auto V
Gears of War 1
Gears of War 4
Infinite Warfare
Call of Duty: Ghosts
Galactic Battlegrounds
Gears of War: 3D Edition
Grand Theft Auto IV
Assassin's Creed
Assassin's Creed III
Gears of War: Battlefield 2
Gears of War: Battlefield 3
Gears of War II
Gears of War: 3D
Assassins Creed III
Gears of War: The Master Chief
Gears of War: Infinity Battle
Gears of War 5
Grand Theft Auto III
Grand Theft Auto V
Assassin's Creed II
Gears of War 3
Gears of War: 2
Gears of War: 3
Assassins Creed II
Gears of War III
Gears of War 2
Gears of War 1
Infinite Warfare
Call of Duty: Ghosts
Galactic Battlegrounds
Grand Theft Auto IV
Assassin's Creed
Gears of War: Infinity
Gears of War
Assassins Creed
Gears of War 4
Gran Turismo 5
Grand Theft Auto III
Gears of War II
Grand Theft Auto V
Gears of War: The Last Guardian
Gears of War: 3D
Assassins Creed III
Gears of War: The Master Chief
Guns of the Patriots
Gears of War 3
Gears of War: 2
Gears of War: 3
Assassins Creed II
Gears of War III
Gears of War 2
Call of Duty: Ghosts
Gears of War 1
Gears of War: 3D Edition
Grand Theft Auto IV
Assassin's Creed
Grand Theft Auto 5
Gears of War: Battlefield 2
Gears of War: Battlefield 3
Halo 3
Galactic Battlegrounds
Gears of War
Gran Turismo 5
Assassins Creed
Gears of War 4
Assassins Creed 2
Grand Theft Auto III
Grand Theft Auto V
Gears of War 5
Gears of War II
Gears of War: The Last Guardian
Gears of War: 3D
Gears of War: The Master Chief
Grand Theft Auto IV
Gears of War: 3
Gears of War III
Call of Duty: Ghosts
Assassin's Creed
Gears of War: 3D Edition
Halo 3
Grand Theft Auto 5
Gears of War: Infinity Battle
Galactic Battlegrounds
Gears of War 3
Gran Turismo 5
Call of Duty
Infinity Blade