Tricky Brain Teasers Websites
projectEUREKA - a collection of problems, puzzles and trivia
A collaborative environment for math problem solvers and submitters. Wide range of math and programming problems, interview tests, and trivia questions.
Puzzle brain games
Puzzle brain games a Canadian distributor of a large assortment of wire,metal and plastic puzzles, brain teasers, jigsaws, puzzle rings, trick locks, boomerangs
Sudoku Variations Main Page - Fun With Puzzles
Solving Classic Sudoku is lot of fun. However solving a Sudoku Variation is lot of fun. There are many Sudoku variations. Some of these Sudoku variations are very known types such as Diagonal Sudoku, Consecutive Sudoku, Arrow Sudoku, Thermometer Sudoku etc. Some of these Sudoku variations are not very known but these a
Puzzle board games
Puzzle board games a large assortment of wire, metal and plastic puzzles, brain teasers, jigsaws, puzzle rings, trick locks, boomerangs, chess sets