- eEightNotes : SongSection
- eErrorScene : BreakoutApp
- eFourNotes : SongSection
- eGameOverScene : BreakoutApp
- eGameScene : BreakoutApp
- eLevelEnding : BreakoutGameScene
- eLevelPlaying : BreakoutGameScene
- eLevelStarting : BreakoutGameScene
- eMainMenuScene : BreakoutApp
- eNumNotesTypes : SongSection
- eNumSceneTypes : BreakoutApp
- eOneNote : SongSection
- ePauseScene : BreakoutApp
- eSplashScreenScene : BreakoutApp
- eTwoNotes : SongSection