The young Nobita Nobi is always in trouble. Either by his own bumbling self or through the machinations of his archenemies Gian and Suneo, he never fails to undermine his situation. Two centuries from the present time lock, Nobita's lineage is unremarkable and his future children are impoverished due to Nobita's failures. To rectify this state of affairs, Nobita's great grandson sends a robotic cat back in time to save grandpappy and thus the Nobi progeny from indigence. Doraemon hurtles back through the centuries to help his new master with the rigors of the youthful life and change the course of the future. Clever devices from the 22nd century help the cause and allow Doraemon to save Nobita in times of need. Doramiyan, Doraemon's younger sister and Shizuka, Nobita's future bride, provide friendly foil in the game. Gian, Suneo, and situational hazards supply the fire.