Peter Grabarchuk Puzzle Designer
  Partners - our partners Blifaloo Smart-Kit Maths Is Fun
  Web Sites - puzzle web sites Take our PhD certified IQ Tests. We also have loads of PhD certified Aptitude & other Self-Assessment Tests. Have queries about IQ, IQ Tests, IQ Scores? Want to know if you are a Genius or what it takes to be a Genius? Get all your queries answered here on  Casual games meet puzzles. We have searched the web to find quality online puzzles and games that use logic, spatial awareness, pattern recognition etc. to provide entertaining games that challenge the brain. All of our content is free and ready to play.
  Manufacturers - web sites of manufacturers ThinkFun Inc. Bits And Pieces Gakken
  Publishers - web sites of publishers
Sterling Publishing
A K Peters, Ltd. Publications International, Ltd.
  Organizations - web sites of organizations World Puzzle Federation International Puzzle Party American Crossword Puzzle Tournament
Peter Puzzle
Find at this website puzzle projects by Peter Grabarchuk, including puzzle products, books and publications, web puzzles, and other puzzle activities.