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