Wordplay

• Ambigrams
• Anagrams
• Oxymora

• Palindromes
• Puns
• Wordies

• Kids and Teens: Games: Online: Word Games 
• Kids and Teens: Games: Word Play 
• Games: Words and Trivia 

• Engrish.com  - Posts a collection of humorous mistranslations as they appear in Japanese advertising and product design.
• Fun With Words  - Dedicated to amusing quirks, peculiarities, and oddities of the English language: wordplay.
• GotBrainy  - Choose from the word list, add picture, then give a definition. The funnier the picture, the better.
• OneUpMe.com  - Features a series of wordplay games that promote abstract and creative thought.
• Opundo  - Huge collection of humorous wordplay and grammar games.
• Sunday Puzzle: NPR  - Weekly puzzle challenge from the people at National Public Radio.
• Vocab Vitimins  - Wordplay designed to improve the vocabulary of it's users.
• The Word Spy  - Features daily updates and a large archive of past words.
• Wordplay  - Artist's website presenting a collection of galleries featuring artistic ambigrams, logos, and word art.