Cwi
Japanse Puzzels.
http://homepages.cwi.nl/~aeb/games/jpuzzle/
Griddlers
Griddlers
http://griddlers.net/
Hccnet
Hccnet
http://home.hccnet.nl/kees.moerman/perl_jap.html
Japansepuzzels
Japanse puzzels - japanese puzzles - beeldpuzzels - plaatjespuzzels
http://japansepuzzels.nl/
Squobble
The color sudoku puzzle on squobble.com combines numbered and colored sudoku pieces into a greater challenge! can you place the pieces so that each row, column and block of the board contains every number and color?
http://www.squobble.com/puzzle