Rules
In addition to Standard Killer Sudoku Rules, no two cells a knight’s move [2,1] away from each other can have the same value.
Author: paramesis
Killer Bossa Nova
Here’s a puzzle from the archive, designed in October 2007.
Rules
Standard Bossa Nova Rules. Clues are given as cages in which numbers must add up to the given value. Numbers may repeat within cages.
Paramesis Puzzle Blog 