This puzzle has been corrected.
Rules
Standard Suraromu Rules
Category: Easy
Hexagonal Suraromu
Cave
Suraromu
Migration
Honeycomb
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.
Hex Migration
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.
