Zone of the Enders: The Fist of Mars is a tactical role-playing game for the Game Boy Advance. It is set in the Zone of the Enders universe and follows the story of Cage Midwell, a worker upon the interplanetary express ship "Bonaparte III". The game features turn-based strategic mecha combat and consists of 26 "episodes", each containing one mission. The game also allows the player to purchase equipment and upgrades for their mecha, and save the game.