Full list of all 10 Curious Cases achievements worth 1,000 gamerscore. It takes around 0-0.5 hours to unlock all of the achievements on Xbox One.
Complete a chapter in Multiplayer mode while being the only person in the party
Solve the decryption puzzle
Complete a chapter with exactly 2 people in the party
Complete the third chapter
Solve the herbs puzzle on the first try
Complete a chapter in a party of more than 3 players
Solve 5 puzzles in a row with no hints
Complete the second chapter
Complete the first chapter
Solve a whole chapter with no hints