Doraemon is a funny character since he comes from the future and he helps Nobita to get by. However, the big set back about him is that he is scared of rats. When some rats invades Nobita's home, results to shooting them. In this game, you be Doraemon and you would be using a gun to get rid of the pests. You need to get most of them for you to get to the next level. The game would be hard since there would be lots of rats to shoot. The game would be more difficult as you make some progress.