Obnoxiously hard.
It's a really awesome concept and fun to play for the most part. It can be really hard, most likely because I'm on a laptop. But using WASD and the mouse at the same time on a laptop is impossible. I got stuck on level 10 and quit.
Work on the graphics cause they're poop! This calls for an artist or something.
And to "me06" PRESS THE SPACEBAR TO RESTART.