Daily Killer Sudoku - Daily killer and greater-than killer sudoku puzzles that can be played online or printed. Killer Sudoku Online - Two new killer sudokus each day, solvable online. Also two "greater than" sudoku puzzles, and a "greater than" killer sudoku. Killer Sudoku Puzzles by Krazydad - Many free printable Killer Sudoku puzzles. Daily printable Killer Sudoku - One printable Killer Sudoku every day. Killer Sudoku - Comprehensive site with Killer Sudoku puzzles, variants, and solving strategies. Killer Sudoku Solver - A daily online Killer Sudoku puzzle, as well as a step-by-step online solver with strategy descriptions. Killer Sudoku - Two new Killer Sudoku puzzles every day, solvable online.