These items are only enabled in a dialog box with editable text. @BCut, Copy, Paste, Clear "•" (this is only present for one player; selecting it has no effect). selected to redo all moves. The current move is also indicated by a by a "+" and an extra line at the bottom of the pop-up window can be that move. If there are any redoable moves then they are indicated move and releasing the button you can reset the game to just before history of moves for that player. By moving the cursor over any of a player's score box. The resulting pop-up window shows the Another way to undo/redo moves is to click in the arrow at the end right arrow keys to undo/redo moves. you'll eventually return to the start of the game. Use the left and Undoes the most recently completed move. If selected repeatedly @BUndo Move