Double Decker

This level is a cheap rip-off of a level from another game. If you can figure it out (which should be pretty easy) then try to figure out how Fusajiro Yamauchi fits into the big picture.
* Play Information *
Title :Double Decker
Filename :double-d.bsp
Author :Tralfaz
Email address :tralfaz@hierarchy.com
Additional Credits to :Fusajiro Yamauchi
Deathmatch Player :2-8

* Construction *
Editor(