Brainstorms Sighted Here

A zanny, thought-provoking collective of riddles, puzzles, and equations to baffle and stump your mind.

The Grey Labyrinth: the place for mental calisthenics.

AIMS Puzzle Corner: a new puzzle each month

Puzzles for the Mathematically Intuative

Brain-Teasers whose words, shapes, and positions can be used to derive a word or saying.

Riddles: the almost unsolvable kind. (Although good, it is slow)

The Quest to find the Brain of the Internet.