Greater Than Killer Sudoku: Another extremely hard puzzle
29:31
[Hard] World-Class Killer Sudoku
25:26
Very Tough Killer Sudoku: By Request!
29:27
Extreme Sudoku: Viewer-Requested Solve Of A Brutal Puzzle
1:33:34
The Sudoku Rat Run Is Back! (With A Mouse!!)
31:15
Viewer-requested Extreme Killer Sudoku - Not For The Faint-Hearted
1:00:50
You CANNOT Only Solve This Puzzle Once!
19:48
"Absolute Chaos!" Magnus Carlsen JUST SHOCKED The Chess World w/ INSANE Rook Sacrifice!
16:47