Link to more gaming and puzzle sites 

Hangman Games - Play 5 different Hangman word games online with high-scores.
Jigsaw Puzzles - Play Jigsaw Puzzles online.
Play Solitaire Online - Play Solitaire games with high-scores.
Kakuro - Kakuro is the mathematical verision of crossword puzzles.
Fun Games - Play Fun Games online.
Web Pacman - Play Various Pacman games online.
Tetris Game - Play Various Tetris games online.
Mahjong - The Best Mahjong Website
curiouser.co.uk - Paradoxical puzzles, tricks, illusions, games, poems, quotations and more. 9 out of 10 respondents say curiouser.co.uk is the curiousest.
Printable number and logic puzzles - PuzzlesandBrains offers thousands of Hidato, Numbrix and Nikoli logic puzzles
Logic puzzle games for iPhone, iPad and Android
Puzzle iT< - is about Puzzles, Anagrams, SuDoku, Mobile Content, TV Formats like Game Shows, Quizzes, contests and everything around all these Great, Entertaining, Intellectual and Educational Things.
STReight - STReight, a simple math principle and great game.
Shaolin Sudoku - by AnimaxNeil
CleverPuzzles.com – Intriguing brain games for all ages
Fun with Sudoku – All kinds of Puzzles and Sudoku Games
wordscapesmate.com – All Cheats And Answers For Wordscapes