http://www.freetypinggame.net/play.asp
http://www.funtotype.com/
http://games.sense-lang.org/
http://www.typingtest.com/games.html
http://www.wordgames.com/typing/
http://www.typingmaster.com/games/typing-games.asp
http://www.rapidtyping.com/online-typing-games.html