
1. Engine: Blender Game
- Info menu >> Render Engine box >> Blender Game
Note:
- There are menus that are only available when the Blender Game render engine is selected.

2. Enable GLSL
- Properties menu >> Render button >> Shading tab >> GLSL button
Note:
- Real Time Shadows only works with GLSL enabled

3. Enable GLSL settings
- Enable Shaders
- Enable Shadows
- Enable Lights
- Enable Environment Lighting
- Enable Ramps
- Enable Nodes
- Enable Extra Textures
Note:
- GLSL settings appear only when the Render Engine: Blender Game is selected