The K Desktop Environment

3.2. Game menu

Game->Get hint

The computer will provide a hint for your next move.

Game->Stop thinking (Esc)

Stops the computer's depth search, then you choose the computer's next move.

Game->Continue

Continues play.

Game->Undo Move (Ctrl+U)

Removes your last move as well as the computer's last move from the board.

Game->Switch Sides

Will make you the opposite color.

Game->Hall of Fame...

A new window will appear with a list of the top ten scores.