The Realm of the Diggle Gods Add-on for Dungeons of Dredmor has 8 achievements.
Master the Big Game Hunter Skill tree.
Die at the hands of a Muscle Diggle.
Drown.
Master the Werediggle Skill tree.
Master the Emomancy Skill tree.
Master the Vegan Skill tree.
Master the Demonology Skill tree.
Master the Piracy Skill Tree.