Puzzles which require combinative and logical reasoning to be
Pözzal's site is a daily Hakyuu (Seismic,
Ripple Effect) site with 10 daily puzzles from easy to extremely
hard (much harder than the Hakyuu puzzles on most other sites). It
also has solving techniques and tutorials.
A chest of really cool
puzzles - from brain teasers and lateral thinking through cryptograms
and math puzzles. All puzzles are with clear conditions and the rating
system of the puzzles' difficulty is available - from Novice to
Master. You are welcome to submit your own puzzles/brain-teasers and
the solutions to the existing ones.
A huge collection of puzzles from many fields. Number puzzles, logic
and geometric puzzles, puzzles with words or probability puzzles, etc.
In easy-for-printing-out format, the collection simultaneously makes
up a great educational resource for teachers, students and their
parents as well.
The site specializes in brainwave
puzzles. These are puzzles to find which element in a row is different
from the rest. They state the puzzles charge your brain and quote Dr.
Happybrain: "A Brainwave Puzzle a day, keeps the low IQ away!"
Portal with the Flash games, grouped in series.
Many of these games are powered with original ideas and every of them
has friendly GUI. Some of them are for free and some require a Player
Password to buy. It's up to you which one you choose, but every choice
is really promising.
This online Maths Club has thousands of
members from 100 countries and many more regular users. Educationally
oriented, it places emphasis on mathematical activities: problems,
articles, games... Also it provides new magazines for school students of all ages
This site is devoted to ingenious puzzle games with special cards - Set®, Triology®, Quiddler™, and Five Crowns™. At the site you may learn how to play them, and then participate in daily/week puzzle contest with cool prizes.