toggle tool with button or space sum of all circled numbers in a row/column should be equal to number on the edge -mobile friendly -adjustable difficulty -competetive -replayable and fun tips: You can sacrifice lives strategically to gain as much information as possible! When theres a number < 9 on the edge you can erase every number > the number n the edge of the corresponding row/column When theres only a single odd number in any row/column, if the edge result is even, you can erase it and if its odd then you can circle it
HIGHSCORE only counts when difficulty is hard!
