Dark Sprites are supposed to be immune to traps, yet none of my many units attacked them, and instead, my 2 spear traps tried to take out the whole wave.
great game. a little boring after you get all the weapons but hey. 4/5 :) love the auto weapon upgrades too. also, i did not lag what so ever on the amazing setting no matter which gun i used and i think you did a great job with the game.