13. Enable Shadow: Cast
- Properties menu >> Material >> Shadow >> Cast
- Cast and Cast Buffer Shadow have to be enabled for the game object cast a shadow while the game engine is running
14. Enable Cast Buffer Shadows
- Properites menu >> Material >> Shadow >> Cast Buffer Shadows
15. Add a Spotlight or Sun
- 3D View menu >> Add >> Lamp >> Sun
- In the Blender Game Engine, Spotlights and Suns are the only lamps that cast shadows.