Some companies keep a playbook of product tips, tricks and trade secrets. Zynga has an internal playbook, for instance, that is a collection of “concepts, techniques, know-how and best practices for developing successful and distinctive social games”. Zynga’s playbook has entered the realm of legend and was even the subject of a lawsuit.

SCVNGR, which makes a mobile game with real-world challenges, has a playdeck. It is a deck of cards listing nearly 50 different game mechanics that can be mixed and matched to create the foundation for different types of games. I’ve republished the accompanying document below, which should be interesting to anybody trying to inject a gaming dimension into their products.