Six SUDOKU Puzzles (from Evelyne Stalzer)
SUDORKU (FOXTROT Comic Strip)
SUDOKU (Problem of the Week)
SUDOKU (Problem of the Week)

Eight A.P. Calculus SUDOKU Reviews by David Pleacher
KENDOKU (Problem of the Month -- combines Sudoku and Addition)
Sudominoku Puzzle (Sudoku and Dominoes)
Crossword Sudoku (Problem of the Month)

CalcuDoku
Equation SUDOKU
Wordoku
CalcuDoku Puzzle #2

KenKen Puzzle
Balance Quest Puzzles by Whit McMahan
Labyrinth Sudoku
Approxduko Puzzle

CalcuDoku Puzzle #3
Loco Sudoku
SUMOKU