| Objects | Every scene object type with its own properties, methods and events, plus the API every object shares. |
| Audio | Sound effects, background music, volumes. |
| Scene | Loading scenes, finding objects by path, name or uuid, creating and removing objects while the game runs, walking the hierarchy. |
| Physics | Rigid bodies: gravity, body types, mass, friction, forces, velocity, grounded checks, raycasts. |
| Global | The Game class with its event hooks, plus quit(), set_fps(), get_screen() and the timing/input helpers. |
| Window | Title, icon, size, position, fullscreen, resizing, mouse cursor. |
| Project Config | Reading the project settings from project.pygs. |
| Events & Keys | Keyboard constants (studio.K_SPACE, …), key modifiers and mouse buttons. |
