There are several reasons for 4.3 rejection, some are not spam by itself but overcrowded category. b) Also avoid piling on to a category that is already saturated;… We will reject these apps unless they provide a unique, high-quality experience. Searching on the AppStore, one can see there are a lot of puzzle games. So may be that's just the reason. If so, have you arguments to convince reviewer that your app creates a unique, high-quality experience ?
Topic:
App Store Distribution & Marketing
SubTopic:
App Review