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