Wait... how did he solve that extreme sudoku?
14:47
This puzzle is a real gas!
14:47
In which I solve an EXTREME SUDOKU for Twitter
50:53
The Best Sudoku Puzzle Ever? We Attempt THAT Puzzle!
30:10
Does This Sudoku Have Invisible Digits?!
21:32
The "Odds" Are High That We Struggle Today!
47:35
How Can This Sudoku Have No Digits At All?
18:52
Solve this puzzle one step at a time, but be sure to skip a step!
1:04:01