Super Robot Taisen OG: Divine Wars (スーパーロボット大戦OG -ディヴァイン・ウォーズ- )

Robot bugs suddenly attack Tokyo and robot gamer Ryusei is given a real, mechanical robot trooper to see whether he is a qualified fighter in a war which he has just now become a part of. Amazingly the controls to the personal trooper are just as in the game.