TSP 4 in a Line

4 in a Line is a classic strategy board game, played on an 7x6 board. Players take turns dropping their pieces into the grid. The discs fall down, occupying the next available space within the column. The first player who connect four pieces vertically, horizontally or diagonally wins.- free, NO MICROPAYMENTS,- addictive,- demanding opponents,- colorful graphics,- different difficulty levels,- increasing the capacity of your brain,- advanced artificial intelligence algorithm.