You should be able to jump shorter or higher based on how hard you click, instead of having a set height every time; but other than that, it was a great game.
Hmm...
Maybe add hotkeys for items like glue and spikes? And also you should add some kind of automatic XP-based level-up system, where the towers get some small little bonus each time they level up, like small rate of fire or range bonuses.
umm... you guys can scroll down by mousing over the arrow on the bottom of the screen... you can see everything. That's why he says to read his intsructions. duhr