1. Introduction
4. 1. Hello Dragon!
5. 2. Player Movement
6. 3. Spit Fire
7. 4. Target Practice
8. 5. Fireball Clean Up
9. 6. Time Attack
10. 7. High-Score
11. 8. Sound
12. 9. Background
13. 10. Animation
14. 11. Scenes
15. 12. Ship It!
18. Outro
19. Ruby Primer
20. Beyond the Code
21. DragonRuby Resources
22. Game Dev Resources
23. Source Control