Cool Quiz –Loads of trivia and related interactive games and puzzles.

CyberTeens Fun & Games –Online games, brain teasers and animations. 

GameFAQs – A source for PC and Console video game FAQs, message boards, game cheats, game hints, game codes, game guides, etc.

(The featured image is a photo of A.S. Douglas's Tic-Tac-Toe, the first video game ever created.)