Throwback Sunday: Classic Sudoku
1:29:32
My Puzzle Has Fog In It!!
53:12
The "Empty Grid" Sudoku
1:09:59
The King: A Fog Sudoku That May Leave You Emotional
32:44
The Simple Math Problem That Revolutionized Physics
2:45:04
"One Of The Best Puzzles I Ever Solved": WARNING: VERY Hard!
54:23
Is This The Most Bizarre Sudoku Solve Ever?!
1:02:01
No Digits. No Clues. No Hope?!
32:39