WASD to control blue arrow guy, Arrow keys to control red square guy
Blue pointy guy must protect red square guy, who will be attacked by zombies. (Health indicated by red bar at bottom)
Blue pointy guy will shoot zombies automatically when in range
Doors can be opened via pressure plates, wires indicate they open which door.
Pressure plates with P on them can only be activated by blue pointy guy.
Red square guy must reach pressure plate with E on it to end level.