You CANNOT and MUST NOT Solve This Sudoku
![](https://i.ytimg.com/vi/nJmG4OT72as/mqdefault.jpg)
1:50:16
The Hardest Puzzle Of The Year
![](https://i.ytimg.com/vi/UVXyMBCsv7Q/mqdefault.jpg)
1:49:32
Phistomefel's Revenge
![](https://i.ytimg.com/vi/N03EkvA1oNs/mqdefault.jpg)
33:05
Star Battle puzzles introduction, tutorial and strategy, part 1 (aka Two Not Touch in NY Times)
![](https://i.ytimg.com/vi/QSIZ_rM3G7M/mqdefault.jpg)
1:37:56
One Of The Most Astonishing Sudokus Ever
![](https://i.ytimg.com/vi/6cnx0xU8EtE/mqdefault.jpg)
1:05:19
Serral vs GuMiho is the best StarCraft 2 I've ever seen.
![](https://i.ytimg.com/vi/zmEdcakSlUs/mqdefault.jpg)
1:17:51
Can You Solve The Impossible Sudoku?
![](https://i.ytimg.com/vi/R2JrJZLBYEk/mqdefault.jpg)
56:21
Y Is This Puzzle So Brilliant?
![](https://i.ytimg.com/vi/6E2iZwwPO2k/mqdefault.jpg)
1:05:29