A perfected game is formed by a quadrilateral prismatic receptacle that has on one of its smaller sides an upper end projection and a cut-out in the central part of that face. One of the prismatic pieces positioned inside the receptacle, is removed through the cut-out more specifically the largest size piece located in the farthest area facing the cut-out. The receptacle has a continuous interior recess around its perimeter to which is slidingly coupled a flat cover that has at one end a prismatic projection that closes the cut-out.
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