there is thirty floors
30 with raikou at the end..veronica
48 floors
A dungeon is a cave on pokemon mystery dungeon. It is a level with a series of floors/rooms and the object is to get to the end of the dungeon.
go to lightning field and on the 28-29 floors will have nothing but stat boosting drinks and thunderstones.
24 floors
30 floors
there are 20 floors.
I'm pretty sure you can get Thunderstones at Lightning Field on the last few floors.
40
The Nightmare has 17 floors.
50 floors
there are 15 floors to this dungeon and a sandstorm on floors 6,10 and 11