The Video They Said We Should NEVER Release
1:16:24
The Delightful Torture
1:27:04
This Puzzle Is NOT Genuinely Approachable
42:41
The Lines that CONCEAL their IDENTITY!
19:46
These 2 Tricks Can Solve Most Of The World’s Hardest Sudokus
43:42
Must A Symmetric Puzzle Have 2 Solutions?
26:51
New divisibility rule! (30,000 of them)
38:05
Someone Has Sat On My Sudoku!!!
17:45