Here is the full list of all 19 ClueCluedo: The Classic Mystery Game achievements.
Win 10 games.
Win a 10 games as Scarlett.
Make a suggestion where no character can show you a card.
Win a game where your character is the murderer.
Host and complete a private game with friends.
Win an online game.
Win a game without making a suggestion where no one shows you a card
Win a Single Player Game of Cluedo
Make an incorrect accusation.
Make an entry in the Clue Sheet.
Win 50 Games of Cluedo
Join and complete a private game with friends.
Win a 10 games as Mustard.
Win 10 games as Plum.
Win 10 games as Green.
Win 10 games as Orchid.
Win 10 games as Peacock.
Roll the dice 1000 times.
Roll the dice 2000 times.