The present invention relates to a method and device for playing a game in which values of a game piece are gradually revealed. In one embodiment, a housing receives a game piece. The housing includes an opaque portion covering markings on the game piece. The opaque portion is movable for gradually revealing at least one marking on the game piece. The opaque portion can include a pair of movable doors. The doors are moved laterally toward one another to reveal markings on outer columns of the game piece. The doors are moved vertically for revealing markings on an inner column of the game piece.