Zone of the Enders The Fist of Mars - In-Box - GameBoy AdvanceZone of the Enders: The Fist of Mars, known in Japan as Zone of the Enders: 2173 Testament, is a video game that was developed by Sunrise Interactive and published by Konami in 2001 for the Game Boy Advance. The game is story orientated, and is based around turn based strategic mecha combat. The year is 2173 A. D. A young boy named Cage finds himself in control of a fully armed prototype mechanized robot and now he must prevent a space colony hijack