clue game piece -- as in "mr green" did it in "the parlor" with a "knife" -- its the knife in the who done it game. -- you must figger out "who" used what "weapon" and "where" to win the game.-- you solve it by say -- i think "so and so" did it it the "blank room" with the "blank" (weapon) you put the pieces in the room and look at the packet --if it matches you win --if not you lose and are out and the remaining players play on.-- you guess clues and the others musr show you the cards if they hold them -- by marking of the ones they show you figger out who ,what and where.