The worst game streamed this year, regardless of how fun the streams were.
TrickShot simulator comfortably takes it, while Persona 3 Reload has a wide margin from the rest of the pack, and then Umineko doubles that already big margin, showing that while they have some dedicated haters, the wider view is they were good games.
Higurashi looked like it was going to take the third place spot for mistaké stream game, but Homestuck just got bumped over right at the end.