Fable 2's Knothole Island downloadable expansion includes three new achievements: The Collector, The Meteorologist, and The Bibliophile. Two are worth 25 Gamerscore points and the third is worth 50 points.Xbox360Fanboy: Fable 2 Knothole Island Achievements Appear (December 13, 2008)

Each achievement is designed for co-operative play. So players can earn the achievements while playing with others, even if they are not directly accomplishing the tasks required for each achievement.

1. The Collector - 25 - Acquire all the mystery items in The Box of Secrets shop, or see another Hero do so.

2. The Meteorologist - 50 - Bring all of Knothole Island's weather problems under control, or help another Hero to do so.

3. The Bibliophile - 25 - Find all the books detailing the history of Knothole Island, or help another Hero to do so.