In Deductio you must correctly guess a certain number of Secret Number cards based on the number of players: 3 in a two player game and, 2 in a three and four player game.

On your turn, you will either play a Clue card or try and guess another player’s Secret Number.

If you choose to play a Clue card, place it in front of you as it will provide information to help the other player(s) determine your Secret Number.

Otherwise, you may choose to try and guess one player’s Secret Number. If you guess correctly, you do not have to play a Clue card this round, but if you are wrong, you must immediately play 2 Clue cards.