Czech Games Edition Codenames: Duet (Card Game)

Codenames Duet keeps the basic elements of Codenames — give one-word clues
to try to get someone to identify your agents among those on the table — but
now you’re working together as a team to find all of your agents.

To set up play, lay out 25 word cards in a 5×5 grid. Place a key card in
the holder so that each player sees one side of the card. Each player sees a
5×5 grid on the card, with nine of the squares coloured green (representing
your agents) and one square coloured black (representing an assassin). The
assassin is in different places on each side of the card, and three of the nine
squares on each side are also green on the other side!

Collectively, you need to reveal all fifteen agents — without revealing
either assassin or too many innocent bystanders — before time runs out in
order to win the game. Either player can decide to give a one-word clue to the
other player, along with a number. Whoever receives the clue places a finger on
a card to identify that agent. If correct, they can attempt to identify another
one. If they reveal as many as the number stated by the clue-giver, then they
can take one final guess, if desired. If they identify a bystander, then their
guessing time ends. If they identify an assassin, you both lose!

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