Well I'm siting here and thinking the three players are splitting up or fanning out way wide... and I have this evil plan....and well.... your making it too easy. Like waving the a brain in front of a horde of zombies screaming Eat me at the top of your lungs.
you might want to think about the whole paranoia thing and what I have planned.
Edit here is a simple map:
The Pyramid looks something like this:
