Its okay but blocks you should be able to sell once you're finished with them like a "SELL ALL" option so that you can just restart with you're heart wherever you left it.
Badges perhaps :3?
... Saying over and over the game needs badges wont get them done, it has to be in a certain format so that kongregate can get it done or whatever... I don't remember but there is a certain something that has to be done before the badges can exist.
Would be better if you could work on it some more, it leaves much to be desired. One thing would be how the box can fit through spaces that are too small for it. Difficult mastering jumping and moving while jumping... And an overall check for glitches and errors...
Mute is on every map, enter the level and it will be in the top left corner. The button will read "ON" just click the text "ON" and it will change to off, turning off either the Background music or the sound effects. Personally I would just mute the effects because the BG music is pretty good :D
Showdown can only be beaten by blade towers, the lightning towers don't do NEARLY enough damage to the enemies. So before the last one, sell old towers and put the blade's out. The more fully upgraded blade towers that you create the better your chances of winning will be. I hope this helped someone.
~GOOOOOOOOOOOP!