Starting Era: They purchase a copy online (light).
Ending Era: Frustrated and angry, they give up (dark).
Arguments over how much detail is appropriate where.
'Gotcha' events and eras designed to sabotage your opponent's narrative.
Extremely awkward roleplayed scenes.
Bitter regrets over what got put into the 'yes' and 'no' columns.
... okay, I'll stop now. You get the idea.