Kevin Oxland <br/><br/>
Gameplay and Design/ 
Kevin Oxland 
 - viii,333p.:  23.5cm 
<br/><br/> What is the elusive ingredient that makes a game worth playing?... 
<br/><br/><label>ISBN: </label>9780321204677 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer games--Programming