Gameplay consists of controlling a group of ATAC on missions on a 2D sprite map where players take turns moving and attacking. Once a fight between two ATAC's starts the game is switched to a 3D side view and the battle between the two continues. Use the terrain to your advantage like attacking from above or behind your enemy.
Follow the story of Bastion and his friends on 56 missions to regain peace on the continent. Your actions before battles and as the results of battles will decide your outcome - with 5 different endings along three separate story lines.