great concept. that said the progression to upgrade ratio is so slow that i just might be able to run a snail race between now and when im going to get my next upgrade and ive only been "playing" for a few hours now...
anyone else feel really jipped that the mystery prize is a 3 year olds drawing of a cat? like.... ap is slow to get man... dont screw with me like that....
epic game. hours of game play from one simple concept, the creep is coming! lol. for real though how do you blow up emitters? i seem to have run out of pop rocks. lol