Train Your Brain (Mensa) : Can you solve your way through the Mensa Train Your Brain workout? These ingenious challenges will hone your skills at completing a variety of different types of puzzles, including: Brainiac bafflers: Fifteen perplexing questions per quiz. Posers for wordplay pros: From Crushwords to Acrostics, from Pathfinders to Tops & Bottoms. Devilish "doku" dilemmas: Try both sudoku and wordoku. Cunning math and logic conundrums: Worms, Minesweeper, Lighthouse, Square Routes, and other puzzles. You'll have to work overtime to come up with the answers to these stimulating mind-bogglers!