Here is the full list of all 19 ClueCluedo: The Classic Mystery Game achievements.
Win 10 games as Orchid.
Win 10 games as Green.
Win 50 Games of Cluedo
Win a 10 games as Mustard.
Win 10 games as Peacock.
Win 10 games as Plum.
Win an online game.
Win 10 games.
Win a 10 games as Scarlett.
Make an incorrect accusation.
Make a suggestion where no character can show you a card.
Make an entry in the Clue Sheet.
Win a game where your character is the murderer.
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.
Roll the dice 1000 times.
Roll the dice 2000 times.