Cool start! Aside from the bugs, some things I would suggest are making an option for people to use WASD instead of the arrow keys, as well as after death making a restart screen without all the cool bonuses, because it makes no sense losing on a level then getting a score for it. In addition, if i beat consecutive levels, I would like to know my total score, not just the one for each individual round. With improvement, this can turn into a serious game!
There should be a button where you can dump all of your energy into one specific item so you don't have to keep clicking the "Add Energy" button. (+) if you agree!
omg ppl there is a glitch: when u beat the game you no how u get one free pick on the character screen right?? well, try picking ur new character, then quit out of your browser. open the game up on kongregate again and start a level: you will have the character u previously unlocked AND one more free pick - KEEP THIS COMMENT ALIVE!!!