Quote Originally Posted by Feilina View Post
Hidden achievements.

LotrO has done on them pretty well. Getting to the top of a building/hill or talking to several NPC.
We once made a Kinship-Server-Event, the task was to kill 5 boars in every region to date. After they finished an achievment unlocked with the title "pork chopper". A good chunk of peopledidn't know it existed. Pretty funny.
Ah, a fellow former Lotro player. Which server did you play on?