Lots of potential, but needs more monsters, monsters need to do something, not only take damage, as if it is like that you'll buy all you can afford. Also should be able to buy weapons, armor, etc. 4/5 for the idea
1.I can't see any reason to earn lots of money if there isn't any kong api's, you should put it, and the game may even earn badges. 2. the level editor should get some sharing api's, seriously...