Cluster© Karl Hörnell 2001

This game is a 3D tic-tac-toe game. You have to form two rows that meet at a right angle (in the shape of an "L"). You play with blue marbles. The computer plays with red ones. Click somewhere inside the grid to place a temporary (gray) marble. You can move it around by dragging it with the mouse. To rotate the entire grid, in order to get a better view, drag somewhere outside it. When you are satisfied with the marble's position, double-click and it becomes permanent. Then it's the computer's turn. Click the reset button (lower left) when you want to start over.

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