Vocabulary Learning Fun. They recently added five educational word games that are worth bookmarking for regular use with your students:
Slang - a game that teaches common idiomatic English expressionsSAT Words - a vocabulary word game teaching a 1000 words commonly found on the SATs
Eight Letters in Search of A Word - This is fun and educational to play in groups or alone.
MatchIt - This implementation allows you work your way systematically through the entire dictionary. It helps build grammar skills since there are various forms of the same word. For example, on the first level, you must use grammar and logic skills to correctly match abandon and abandons with the right sentence.
Letter Blocks - A great implementation of the word game where you form words from adjacent letters under time pressure to advance through levels.
And their most popular game remains the online crossword puzzle.