Submitted by: rickHH
If you've got a man in black on the floor below as
you come down in the elevator, jump towards him when
you're about halfway down to his floor. You'll jump
straight up against the floor above and then move
forward into the bad guy as you come down, either
killing him or giving you enough time to duck and shoot.
Shoot all the time, especially when you get at the
hard levels. When you are waiting for an elevator,
shoot constantly in the opposite direction. That way,
you will instantly hit an eventual enemy (instead of
figuring out how to deal with him AND the guys arriving
with the elevator).
At the end of each level, if you get two red doors at
opposite sides of the building, go down to the basement
and teleport yourself back, instead of jumping back and