Reversi which you can play against the computer.
Depending on the level, it will look ahead from between 7 to 17 moves from the endgame. 3 moves before endgame, it will go into complete analysis of moves. There are 5 levels available.
For options, you can turn on/off background music, sound and hints.
There is also an option to undo the last move.
Finally, please win by taking more pieces than the computer.