: The user is likely celebrating clearing a specific, notoriously difficult section or "part" of the level. "Pt 3" suggests they finally survived the third phase of the song, which is typically designed to be the hardest.
If you are looking for specific episode details or community-created stories, IMDb provides the most comprehensive listing of official cast and crew for the series. Bound2Burst (TV Series 2006– ) - Release info - IMDb
endures because it is the opposite of escapism. It is immediatism . It forces you to confront the fact that life does not give you perfect conditions. Life gives you a clock that is running out, a body that is failing, and a choice: break or burst.