A famous, deliberately terrible interface you have to 'survive.' Every dark pattern and bad UX convention is baked in on purpose, to make you feel it firsthand.
Visceral, first-hand understanding of why specific UX anti-patterns are so frustrating.
Anyone who's read about dark patterns but never actually been trapped by one.
5-15 minutes, depending how badly you get stuck (that's the point).
Survive a deliberately terrible interface to feel every dark UX pattern firsthand.