How to make a successful iPhone game, from the man behind FIVE number ones

Creating a hit game on Apple's iPhone and iPad store is a lot like making something a "viral" hit on the internet: it can feel like luck outweighs the many logical factors that make a success.

The man behind mega-hits "Crossy Road" and "Pac-Man 256," as well as lesser known (but similarly successful) games like "Little Things" and "Doodle Find," is an exception to that sentiment. Matt Hall has had five (FIVE!) games reach the number one spot in the Apple app store. He is an incredible anomaly.

Yet, as Hall tells Kotaku Australia in a recent interview, there are five principles he follows in creating great games that sell well.