RIDDLES & PUZZLES

http://www.bilingual.ru/goods/puzzles/    riddles to wake up your minds

http://iteslj.org/cw/  different crosswords of different types and topics

http://www.ego4u.com/en/chill-out/games  various Games, Quizzes & Riddles on different topics

http://www.funtrivia.com/     games, quizzes and others for learning