Dayum. Now this is something with potential. With a bit of polish and some more features, as others may have mentioned, this could be a Gemcraft tier tower defence in my book. Things like stage shapes, (Keep the core mechanic, though, of needing to keep the monster total down. Love that.) customizable stage requirements, perhaps some tweaking of the current upgrade system... This has serious potential, though. And it's hecka fun even in this current state it's in.
cant get through the whole song, but want to listen to it? i found a glitch, right click then press rewind, you can also have two songs playing at the same time during the game, the song that you get from doing the rewind thing doesnt stop unless you refresh the page (i think). and also, since were telling our highscores, 173
nice, 4/5, only two things, find a less used song for the battle theme (ive seen about 5-6 games that have that loop, yeah, it gets old) and add more campaign levels
since other people are advertising levels on the comments, i might as well also
my username in platform racing is redrunner23, search that if you want, by the way, dont foget to vote!
definately fun, thats for sure, but a bit hard for me, it would be cool to have some power ups, and different levels of difficulty (for example, easy gives you 5 lives, normal gives you 3, and hard gives you 1) and a few different modes would be pretty cool
but, now i gots to rate it, 4/5