Some Achievements are still unknown and their existence is only confirmed based on the counter that appears on the official website. Currently, there are 189 Secret Achievements (SA), 3 of which are unknown. This page's aim is to list them according to their release date and provide a useful start point for those trying new ideas.
|Update||Added SA||Unknown SA||Unknown IDs||Notes|
|Summer Update 2010 (8.60)||45||1||36||Achievements were first implemented with this update.|
|Winter Update 2010 (8.70)||32||1||195||Some minor quests and World Quests were implemented.|
|Summer Update 2020 (12.40)||2||1||513||Release of the Soul War Quest, The Order of the Lion Quest and An Ancient Feud mission of the Grimvale Quest.|