Good idea but needs refinement, lacks any sense of customisation in the shop because you cant buy things to use, you just hope that what u upgrade will be used in the next level. Not to mention exactly the same earnings each level regardless of how hard it is? =/ 3/5 for original idea
why do people play these games? theres like 50000 of the exact same game with different pictures and wording, its a load of crap cant believe people spend money on this