Super Robot Taisen A Portable is a tactical role-playing game for the PlayStation Portable. The narrative follows the Shadow-Mirror, a faction from a parallel world led by Vindel Mauser, who seeks to induce perpetual conflict to enhance human evolution. To achieve this, the organization sends agents to gather intelligence on an alternate world's defense forces, planning a strategic assault for dominion.
An organization called the Shadow-Mirror, which exists in a parallel world where events happened in a different way than the original game world, thus making the state of the worlds different, though a bit similar at times. Its leader, Vindel Mauser, desires a world of eternal war to make humanity improve more through war. His plan is to send his agents towards another dimension, spy on the defense forces of the world in order to make adjustments on the attack, and eventually conquer it.