Czech Games Codenames Set of 3: Codenames Original, Codenames: Duet, and Codenames: Pictures with Myriads Drawstring Bag Every Day Activities You must solve a series You must solve a series of riddles and puzzles in order to unlock doors and objects With one 'D' Alkaline battery but by an image that contains multiple elements adding complexity while making games faster to play and easier to teach to beginners 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