Rules
Standard Honeycomb rules.
Month:
Knight Non-Consecutive Killer Sudoku
Rules
In addition to standard Killer Sudoku rules, no two cells a knight’s move [2,1] away from each other can be consecutive. For example, a 5 cannot be a knight’s move away from a 4 or a 6.
Extra Groups Killer Sudoku
This puzzle from the archive was designed in June 2006.
Rules
1. Standard Killer Sudoku Rules apply.
2. The numbers along the diagonals must be 1-9 exclusive.
3. Colored regions refer to Extra Groups, which must also be 1-9 exclusive.
Shikaku (Overlap)
Slitherlink
Hex Migration
Suraromu
Honeycomb
Anti-Elephant Anti-King Killer Sudoku
Rules
In addition to standard Killer Sudoku rules, no two cells an elephant’s move [2,2] and no two cells a king’s move [1,1] away from each other can have the same value.
