This page is a catch-all for puzzles that aren't easily classified elsewhere and yet I believe warrant their own categories, and for classes of puzzles on the perimeter of my focus. Printable Criss-Cross Puzzle for Adults from Criss-cross word puzzles. Great collection of jigsaws and math puzzles, mysterious mazes and labyrinths, intriguing visual logic games, easy handwriting worksheets and spot the difference activities, crosswords for kids, guess the word, rebuses, word search and many other brain teasers. An inventive twist on the crossword, the Cross-Number Puzzle uses answers to math problems instead of little-known facts (some say it's easier that way!).