Quantik is an abstract strategy game where the goal is to be the first player to place the fourth piece that creates a line, a column, or a square.
On each turn, you must place one of your pieces on the game board, but it is forbidden to place a piece in a line, column, or square where the same shape has already been placed by the opponent. You may only do this if it is your own piece that is there. The first player to place the fourth different shape in a row, column, or zone wins the game with the same, regardless of who owns the other pieces in the winning move.
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