Imaging you're entering a building. Within the lobby you have a door on the side. Opening the door leads you to a space where there's another building. Often it looks like the same building as the one you entered the first time, sometimes it's different. Do this 5 times. Now you have to get a smoke signal in the 5th building out to the watchman of the first building, all the time while traps keep opening and monsters check your progress. Welcome to crazy land. This is what I do for a living. I'm a coder.
