In this third Playstation Doraemon game, Nobita and Doraemon sometimes creates holes in the world but this time they discover a huge cave in the basament of a vacant land near the house. When they explore the cave they found an altar and when Doraemon tried to open the altar using his magic monsters start to appear in the cave transform in it into a dungeon. A new little strange creature appears too and Nobita and Doraemon became friends with it. With his help they have to destroy all the monsters in the dungeon.

The gameplay is similar to games like Chocobo Dungeon or Torneko: Action rpg and a lot of floors to explore and enemies to destroy.