Rules: The object is to clear the board of red squares.
Clicking on a square toggles it, along with the squares immediately next to it.
Easy mode - the board is generated from 30 random clicks
Medium mode - the board is generated from 40 random clicks
Hard mode - the board is generated from 50 random clicks
Notes
The three colored rectangles on the left can be used to start a new game in each of the three difficulty levels.
