Links
Nikoli.com (Light-Up (Akari), Heyawaki, Nurikabe, Masyu, Sudoku, others)
Conceptis Puzzles (Link-A-Pix, Fill-A-Pix, others)
Fathom It! (Battleship)
Yoogi.com (Tree-Tent)
puzzle-light-up.com (Light Up, others)
Logic Games Online (Sudoku, Nurikabe, others)
