Third part of the series analyzes the social mechanics in mid-core games.

King's newest puzzle game hit Pet Rescue Saga doesn't seem to have the same potential for success as Candy Crush Saga did.

What does it take to dethrone the best puzzle game ever made?

Supercell's Clash of Clans is an industry changing hit.

Natural Motion's CSR Racing was the first true Western free-to-play mega-hit.

Zynga's bubble shooter has all the features and then some.

Playing same level over and over again can be daunting - or it can be fun.

Sometimes players can pay in other ways.

How to monetize your players.