Etrian Odyssey HD

1. 
   Conqueror of Yggdrasil

   Obtained all other achievements.
   3.7%
2. 
   Emerald GroveSecret

   Steam withholds the description of a secret achievement.
   84%
3. 
   Primitive JungleSecret

   Steam withholds the description of a secret achievement.
   39%
4. 
   Azure RainforestSecret

   Steam withholds the description of a secret achievement.
   28%
5. 
   Sandy BarrensSecret

   Steam withholds the description of a secret achievement.
   23%
6. 
   Lost ShinjukuSecret

   Steam withholds the description of a secret achievement.
   19%
7. 
   Claret HollowsSecret

   Steam withholds the description of a secret achievement.
   13%
8. 
   Absolute Power

   Defeated the boss of the Sixth Stratum on Expert difficulty.
   4.2%
9. 
   The Truth of YggdrasilSecret

   Steam withholds the description of a secret achievement.
   17%
10. 
    The Calamity of the LabyrinthSecret

    Steam withholds the description of a secret achievement.
    6.2%
11. 
    Forest Cryptids

    Defeated an Yggdrasil Bud, Yggdrasil Sprout, and Yggdrasil Clover.
    5.4%
12. 
    A Valiant Effort

    Retired an adventurer.
    7.8%
13. 
    Rest in Body and Mind

    Let an adventurer rest.
    14%
14. 
    Curse Wielder

    Unlocked the Hexer class.
    22%
15. 
    Pursuer of Strength

    Unlocked the Ronin class.
    26%
16. 
    Filthy Rich

    Obtained more than 250,000 Ental.
    11%
17. 
    A Proper Adventurer

    Completed the quest "The bandit's treasure".
    17%
18. 
    Crushing Blow

    Dealt 1,000 damage with a single hit.
    22%
19. 
    Cataclysmic Force

    Defeated a boss in a single turn.
    14%
20. 
    Wyrm Vanquisher

    Defeated the Wyrm.
    7.5%
21. 
    Drake Vanquisher

    Defeated the Drake.
    7.3%
22. 
    Dragon Vanquisher

    Defeated the Dragon.
    7.3%

Names, descriptions and icons are the game’s own, as Steam publishes them; the share is how many owners have unlocked each, from Steam's global figures for 22 of them.