There can be some foxes. You can check any cell. The digit which appears in the cell indicates the number of foxes you can see from the cell. there are eight possible directions (vertical, horizontal and diagonal).

The bottom panel shows the number of moves made and the number of foxes not detected yet.

You may click the fox, located in the left top corner, to change game complexity level.

The goal of the game is to catch all the foxes at the minimum number of moves.