There is a large variety of free-to-play puzzle games online at various websites. Here are a couple of places to start: http://www.shockwave.com/online/puzzle-games.jsp http://www.addictinggames.com/puzzle-games/index.jsp
Here are a couple websites with free puzzle games: http://www.addictinggames.com/puzzle-games/index.jsp http://www.shockwave.com/online/puzzle-games.jsp
Miniclip has pretty much every type of game you can think of. All free. Action games, puzzle games, flash games, mobile games, games for the iphone, and sports games.
There are many free online games at the Addicting Games website. They have over 3000 games, including arcade games, puzzle games and sport games, plus many more.
Onlinefreegames.com has a good selection of puzzle games that are free to play.
Bigfish Games offers a variety of games and genres. They have puzzle, adventure, arcade, and even family games for both mac and PC, and even some options for iPhones/iPads.
Some of the most popular puzzle games include Sudoku, Scramble, picture puzzle, crossword puzzle, grid puzzle, rebus, marbles, Chinese puzzle and many other games and variations of the mentioned ones.
The website Tea Games is an entertainment website that offers free flash games for it's visitors. They have games in many categories including sports, puzzle, arcade, action, and racing games.
The PlayAndWin website offers many different categories of games. These categories are: Board Games, Puzzle Games, Card Games, Arcade Games, Slot Machines, Bingo Games, Match 3 Games and various minigames.
Anagram is a type of puzzle. It starts with the letter A.
Addictinggames.com have many online puzzle games for free. I would also check out mypuzzle.org.
The webpage BrainBashers has a range of puzzle and quiz games, such as crosswords. Similarly, the webpage also has codewords, jigsaws and wordsearches.