Tic-Tac-Toe Sums

There is three types of games (Sums/Differences/Products). In sums, the player numbers on the bottom of the screen are added together which then determines which squares on the playing field can be choosen. In products, all the players numbers are multiplied together to create a product to choose from the playing field. In differences, the only version that is restricted to two players, the smaller number is substracted from the bigger number to determine the value on the playing field.

Options:
Choose between two or three players.
Choose how many of the above players will be controlled by the computer.
Choose the size of the playing field grid.
Choose the range of numbers that the players can select from Min to Max.

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