Here is the full list of all 19 Dark Arcana: The Carnival achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Make friends with the monkey
Acquire a photo of the missing woman
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 incorrect clicks
Complete the game (Expert Mode)
Unlock all the Achievements
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 games of Monaco
Finish all the games of Monaco
Travel to the mirror world for the first time
Learn the real story behind the ritual
Rescue Jim