Most people will probably be happy to stop at the second tier, but even then you're getting some decent games for about the price of a cheap movie ticket.

Matt Hall is, by almost every definition of the word, 'successful'. 50 million downloads and $10 million later, Crossy Road is probably his most high profile success, but it's one of many. Of the seven games Matt has released on iOS a mind-boggling five have made it to the number one spot.

How does he do it? Well, he has a few rules and he follows them to the letter.

I don't play mobile games. I avoid them, and have the same reaction to the term as some behind-the-times people who stick their noses up at videogames in general. But the latest few releases have me spending a lot more time than I'd like on the Tiny Screen.

Melbourne-based developer Hipster Whale is best known for its iOS hit Crossy Road, though it's soon going to be famous for another success -- Pac-Man 256, a mobile game that pays homage to the original ghost-fleeing, pill-eating yellow pie. According to publisher Bandai Namco, the title has reached the milestone of five million downloads, which is a respectable number in anyone's books.

Walls have always been an important part of Pac-Man. Your little yellow guy (or lady) is stuck in a maze with some deadly ghosts. The walls of the maze frame the action and give it structure. So… what if one of those walls didn't exist, and the maze became endless?

To apply for the position of "my new iPhone obsession", the following is required.

In this new Pac-Man game from the creators of Crossy Road, death by glitch is around every corner.

Hipster Whale had many suitors after Crossy Road's success, hoping to have their retro romps reinvented with modern game design. But when Bandai Namco came knocking with the idea for Pac-Man 256, studio co-founder Matt Hall couldn't refuse -- and he was kind enough to share a few details with us about the upcoming endless maze.