Previous post meant perfect bonus not life.
possible upgrade options say upgrade a turrent to lv.3 and have a choice of of 2 paths say like to the sniper or flak turrets, and the flamethrower to the acid or the hydrogen turret
Probably a good idea not to allow towers to be built behind the menu.
Life bonus could do with being 0'ed.
An accurate wave count as it rolls over mid wave