Finish any puzzle, without using hints!
Finish a 6 x 6 puzzle in less than 9 seconds, without using any hints!
Finish a 5 x 5 puzzle in less than 6 seconds, without using any hints!
Finish a 7 x 7 puzzle in less than 12 seconds, without using any hints!
Finish an 8 x 8 puzzle in less than 16 seconds, without using any hints!
Finish a 10 x 10 puzzle in less than 36 seconds, without using any hints!
Finish a 9 x 9 puzzle in less than 24 seconds, without using any hints!
Finish an 11 x 11 puzzle in less than 48 seconds, without using any hints!
Finish a 12 x 12 puzzle in less than 60 seconds, without using any hints!
Finish 200 puzzles, without using any hints!