hyper, even/odd, samurai....

On http://www.sudoku-space.com/ you can play sudoku's, sudoku-x's, stairstep sudoku's

hyper sudoku's and win sudoku's online.

There are daily pdf-files to print (also a daily pdf file with 3 samurai sudoku's)

Clueless puzzles

There are no new clueless puzzles on sudocue.net
But now you find these puzzles on http://www.rcbroughton.co.uk/sudoku/forum/index.php
Every week you find a new puzzle in different difficulty's (novice ---> chief wizard)