| Add-ons | Handles add-ons that can be downloaded |
| Animations | This module manages interpolation-based animation (of position, rotation and/or scale) |
| Audio | This module handles audio (sound effects and music) |
| Challenges | This module handles the challenge system, which locks features (tracks, karts modes, etc.) until the user completes some task |
| Config | This module handles the user configuration, the supertuxkart configuration file (which contains options usually not edited by the player) and the input configuration file |
| Font | This module stores font files and tools used to draw characters in STK |
| Graphics | This module contains the core graphics engine, that is mostly a thin layer on top of irrlicht providing some additional features we need for STK (like particles, more scene node types, mesh manipulation tools, material management, etc...) |
| Guiengine | Contains the generic GUI engine (contains the widgets and the backing logic for event handling, the skin, screens and dialogs) |
| Guiengine/Widgets | Contains the various types of widgets supported by the GUI engine |
| Input | Contains classes for input management (keyboard and gamepad) |
| Io | Contains generic utility classes for file I/O (especially XML handling) |
| Items | Defines the various collectibles and weapons of STK |
| Karts/controller | Contains kart controllers, which are either human players or AIs (this module thus contains the AIs) |
| Karts | Contains classes that deal with the properties, models and physics of karts |
| Modes | Contains the logic for the various game modes (race, follow the leader, battle, etc.) |
| Online | Represents a server that is joinable |
| Physics | Contains various physics utilities |
| Race | Contains the race information that is conceptually above what you can find in group Modes |
| States_screens | Contains the various screens and dialogs of the STK user interface, using the facilities of the guiengine module |
| Tracks | Contains information about tracks, namely drivelines, checklines and track objects |
| ▼Scripting | |
| ▼Track | |
| PhysicalObject (script binding) | Type returned by trackObject.getPhysicalObject() |
| TrackObject (script binding) | |
| Audio | |
| Challenges | |
| GUI | |
| Kart | |
| Utils | |
