Roberto Dillon 
On the Way to Fun [PDF ebook] 
An Emotion-Based Approach to Successful Game Design

How can video games be fun and immerse players in fantastic worlds where anything seems possible? How can they be so engaging to have become the main entertainment product for children and adults alike? In On the Way to Fun, the author proposes a possible answer to these questions by going back to the roots of gaming and showing how early games, as