Unfortunetly from world 50 it's not playeble: Can't use coordination since few worlds(30+ in stack) and few updates, KO hitrate for enemy is at least around 98%, even when theyr's max dmg is less then your HP you die without even dealing 1 hit, generated resorces are unsufficient. Without fixing this and few more problems it won't be playable from this point(world 50). I hope update will fix it.
wow... I can't believe I never caught that. o.o I'll change that.