Sometimes the enemy does no damage and the game looks bland and ugly.

Nice job!

Pretty cool idea for a game, and I like the detailed insect designs too, though projectile colors (the gray at the start particularly) are a bit hard to see against the background, and the way it starts as an array of equal insects but just changes one at a time is a bit weird... would've been cool with levels that had one particular insect each. Also: spans a bit past the edges of my screen too, and I'm using the highest resolution I have! Would be nice with a smaller one, and a fullscreen option for those who really have gigantic monitors (as I assume maybe you do). Could be polished, but good start!

-cd-