Vertical Dungeon Maps

Vertical dungeon maps. Does anyone use them as the sole 'dungeon map' in their RPG gaming? I wouldn't think so. They are so linear in nature. They don't have to be. You could turn the whole thing on it's head. Where a traditional dungeon map branches horizontally and delves vertically with stairs that lead to other maps, a vertically mapped dungeon could branch vertically and delve horizontally with doors that lead to other vertical maps. Still, the vertical dungeon map seems best suited for a type of game that is linear in nature - like a board game such as this:

http://kotaku.com/the-best-3d-castlevania-is-this-custom-made-board-game-1656604092