In Red and Blue Rescue Team, it cannot be accessed by normal means in the game and is only available through a Nintendo Event, using the Wonder Mail Code: ??M4 CJY? 44?P CF?8 7J6R (...)M?1. Pokémon in this dungeon can also be found in the Northern Range and Pitfall Valley, with the exception of Wingull. In Rescue Team DX, it is unlocked after clearing Sky Tower for the first time. The last floor contains 2 Pretty Boxes, and 1 False Swipe TM.