GRIS

1. 
   RedSecret

   Steam withholds the description of a secret achievement.
   89%
2. 
   DenialSecret

   Steam withholds the description of a secret achievement.
   8.0%
3. 
   GreenSecret

   Steam withholds the description of a secret achievement.
   65%
4. 
   AngerSecret

   Steam withholds the description of a secret achievement.
   7.8%
5. 
   BlueSecret

   Steam withholds the description of a secret achievement.
   53%
6. 
   BargainingSecret

   Steam withholds the description of a secret achievement.
   7.7%
7. 
   YellowSecret

   Steam withholds the description of a secret achievement.
   45%
8. 
   DepressionSecret

   Steam withholds the description of a secret achievement.
   16%
9. 
   AcceptanceSecret

   Steam withholds the description of a secret achievement.
   25%
10. 
    The End

    Finish the game
    38%
11. 
    Mementos

    Find all mementos
    5.6%
12. 
    ChildhoodSecret

    Steam withholds the description of a secret achievement.
    5.5%
13. 
    SandstormSecret

    Steam withholds the description of a secret achievement.
    7.0%
14. 
    ApplesSecret

    Steam withholds the description of a secret achievement.
    13%
15. 
    EelSecret

    Steam withholds the description of a secret achievement.
    9.2%
16. 
    Magic fowlsSecret

    Steam withholds the description of a secret achievement.
    6.0%
17. 
    InuksuitSecret

    Steam withholds the description of a secret achievement.
    8.7%

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 17 of them.