Solve each of the 10 levels by filling in the gray squares to make the difference of the black squares, both rows and columns. Careful though: boxes can have a pair that must contain the same number. Give the game your best shot!

Othello is a classic variant of Checkers and is also known as Reversi. Each player tries to fill the game board with as many discs of his color(moon or sun) as possible. On each turn the player places a disc(moon or sun) on the board by selecting a location where the opponents discs will become trapped between two of his discs. The trapped discs are flipped over to the players color. The game ends when the board is filled, and the player with the greatest number of his color discs(moon or sun) on the board wins. Player against the computer.

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A logic based card game

The Pyramid is based on the classic card solitaire game. The aim is to clear as many card lay-ups as possible in the allotted time. The cards are placed in a Pyramid form and you have to remove them one by one before you run through your deck of cards. Succeed and you move to the next round. You can play as many rounds as you can until you run out of time or you are unable to solve the lay-up.