Academic K12 Vocabulary and Theme Crosswords for Publications  
   Crosswords and puzzles for k-12 education, recreation and edutainment will challenge your brain power!
   http://www.puzzledepot.com/cwe/index.shtml

Internet Park: Online Interactive Word Games  
   An interesting and friendly place to play word games live on the Internet. No need to download and install software, simply enter the Park and play. An intimate environment to enjoy word games and to chat with other players.
   http://www.internet-park.com/

Eslflow  
   A guide to ESL/EFL language games and activities on the Internet.
   http://www.eslflow.com

Clueword  
   Multilingual word puzzles.
   http://www.clueword.com/

Lingua Center  
   Grammar safari game.
   http://deil.lang.uiuc.edu/web.pages/grammarsafari.html

ESL Lounge - Board Games For Teachers  
   Printable board games for English teachers, practicing of grammar and vocabulary.
   http://www.esl-lounge.com/board_games.html

Spelling Hub  
   Online interactive spelling program for students in grades 5-8.
   http://spellinghub.com

Gilroy's Grammar Cubes  
   Grammar-themed word-cubes that form the basis for loads of classroom activities and games.
   http://www.gramarama.com