1. THE GRID BELOW HAS 110 SQUARES AND A TARGET NUMBER.
2. TWO TARGET NUMBERS ARE SHOWN IN THE RIGHT HAND CIRCLES.
3. SUBTRACT THE 'START' NUMBER FROM THE 'TARGET' NUMBER.
4. CLICK ON THE NUMBER IN THE SQUARES THAT EUALS YOUR SUBTRACTION RESULT
5. IF YOU GO BELOW THE TARGET NUMBER YOU HAVE TO START AGAIN.
6. IF YOU CLEAR ALL THE SQUARES YOU WIN!
7. KEEP WATCHING THE BLANK YELLOW SPACE BELOW THE GRID!