Here is the full list of all 22 Dark Arcana: The Carnival achievements worth 1,000 gamerscore.
Finish any mini-game in less than 15 seconds.
Finish 3 mini-games in a row without using the Skip option.
Finish all the mini-games without using the skip option.
Finish any hidden-object scene in less than 1 minute.
Finish 3 hidden-object scenes in a row without using any hints.
Finish all hidden-object scenes without using any hints.
Find 3 hidden-objects within 3 seconds.
Finish any hidden-object scene with less than 5 mistakes.
Complete the game (Expert mode).
Rescue Jim.
Finish a game of Monaco in less than 1 minute.
Finish 3 games of Monaco in a row without reshuffling.
Finish half of all the game of Monaco.
Finish all the games of Monaco.
Acquire a photo of the missing woman.
Make friends with the monkey.
Travel to the mirror world for the first time.
Learn the real story behind the ritual.
Complete the game (Normal mode).
Finish the Shooting Gallery minigame on the first try.
Scare of the bird.
Witness the merging of two worlds at the Amusement Park.