 Why People Play Why People Play
| 0 |
 Gamify
| 3 |
 The Gamification of Learning and Instruction: Game-Based Methods and Strategies for Training and Education
| 0 |
 Game Frame
| 0 |
 Eurogames : The Design, Culture and Play of Modern European Board Games
| 0 |
 The Art of Game Design: A Book of Lenses
| 3.33 |
 100 Principles of Game Design
| 0 |
 Paid to Play Paid to Play
| 0 |
 The Game Inventor's Guidebook
| 0 |
 Homo ludens
| 2.5 |
 Rules of Play
| 4 |
 Kobold Guide to Board Game Design
| 3 |
