Puzzles and Quizzes

Free Rice

For each word you get right, 20 grains of rice is donated to the United Nations World Food Program.
http://www.freerice.com/

Triangular puzzle game
Contains full instructions and hints.
http://gotofreegames.com/IQGame/free_peg_game.htm

Online puzzle slider
If you like cats you'll love this, easy to play but hard to do.
http://gotofreegames.com/slider_puzzle/free_slider_puzzle.htm

Soliraire
5 different versions of the solitaire card game.
http://gotofreegames.com/Free_play_Solitaire.htm

Checkers/Draughts
Play against a very mean computer and lose like I did.
http://www.zdaily.com/checkers/index.htm

American 5 card video poker
Play free video poker online for fun and online internet practice.
http://www.helpself.com/poker/index.html

3d Logic
A sort of 3d rubics cube, I think!
http://www.onemorelevel.com/games.php?game=328

Blackjack
An online blackjack game, full instructions to play and become an expert.
http://www.helpself.com/blackjack.htm

Sudoku
Traditional sudoku games with varying difficulty levels and against the clock.
http://www.zdaily.com/sudoku.htm

8 Queens of death
Try and keep the 8 chessboard queens away from each other.
http://www.onemorelevel.com/games.php?game=317