| Propane | The top-level namespace for everything in Propane Injector |
| Propane::Exception | Exceptions that Propane Injector may throw |
| Propane::Game2D | Game engine oriented methods and classes for a 2D game |
| Propane::Image | Routines and classes that handle image files and image data (textures) |
| Propane::Input | The namespace that is primarily concerned with obtaining input from external input devices, such as joysticks, brain implants and other fun devices |
| Propane::Map | 3D/2D "map" data that's used to represent game levels |
| Propane::Material | Stateful changes to the OpenGL pipeline that alter the appearance of vertices rendered after their application |
| Propane::Math | Classes and methods that provide helpful math functionality |
| Propane::Shader | Functions and classes that have to do with GLSL support in Propane Injector |
