Worst. Event. Ever. (The search for consensus.)
Bet this is gonna be a nail biter. (Not.) You might want to run a follow-up poll, asking what was the SECOND worst event. :)
Forum Discussion
Id say Easter - only because of the chance boxes. That was unnecessarily stressful and created a lot of bad will towards the game. The second would be CoC - I really liked it at first, but the prizes were all odd /non Simpsons and it dragged on forever.
