Field Research Into Fog Sudoku
1:04:49
Welcome To THE Year Of The Sudoku
2:18:38
The Hardest Sudoku Of All
2:42:11
The First Hardest Sudoku!
55:34
The Sudoku Secret - Squared!!
2:37:44
The Most Incredible Sudoku Rules EVER
34:04
INSANE DRAMA: Magnus Carlsen SPLITS World Chess Championship
1:24:37
The Cliffhanger Finale To Season 2: Sudoku Rat Run In The Fog
54:43