Hidden Object Games Play free hidden object games online: hidden numbers, alphabet, clues and spot the difference games.
JigZone Jigsaw puzzles online with pictures of animals, art, holidays, people, landscapes, sports transportation, travel, and world flags, varying in difficulty from 6 easy pieces to 247 nearly impossible pieces.
Kakuro Game Play Kakuro (a.k.a. Cross Sums) online. Thousands of puzzles available.
Mahjong Solitaire Online Mahjong solitaire game along with information about the tiles. Also offers game sets and books for sale.
Planet Sudoku Play millions of free Sudoku puzzles online for kids to experts. Tons of Sudoku puzzles like 9x9, Samurai, Multi 2 & 4, 4x4, 6x6, 8x8, 12x12, 16x16, 20x20, and 25x25.
Puzzle Online Multiplayer Games Offers free, non-violent family game downloads. All games have singleplayer, multiplayer and Internet support.
PuzzleNation Interactive puzzle games: crossword, Guessworks, sudoku, Tanglewords, word search and more.
Sudoku Essentials Offers an online Sudoku game with four difficulty levels and nearly unlimited number of puzzles. Printable Sudoku puzzles, solving tips, and handheld and board game reviews enhance your visiting experience.