Full list of all 12 Torchlight achievements worth 200 gamerscore. It takes around 10-12 hours to unlock all of the achievements on Xbox 360.
All achievements
Achievements they've won
Achievements they've not won
Achieve maximum fame
Successfully enchant one item 10 times
Defeat Alric
Successfully enchant one item 5 times
Defeat Medea
Defeat Krag
Defeat the Ember Colossus
Defeat the Root Golem
Change your pet by feeding it fish
Defeat the Overseer
Defeat Brink
Send your pet to town