Online Games that Challenge the Brain

Einstein at Play

Tired of brainless flash-games? Do some mental weight-lifting while still procrastinating!

Riddles, Illusions and Logic Games
The one who makes it sells it.
The one who buys it doesn't use it.
The one who's using it doesn't know he's using it.
What is it ?

More links after the break.

Geometry Step by Step from the Land of the Incas
Geometry your Math teacher might not understand.. plus puzzles and other colorful time-wasters. The experience comes complete with weird electronic music.

Illusions online
A large collection of interesting and interactive illusions that you might not have seem before.

Jigsaw Puzzles
Good clean fun your mom can't complain about.

Slide Puzzles
More challenging than a Jigsaw puzzle, I still haven't gotten the hang of these.

Comments

The answer to that logic puzzle is a coffin.

I have another one here...

The is a five-letter word in the English language that has four vowels in it. However, when it is pronounced, it sounds like one letter. What word is it?
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"To say that gaming is a platform-specific skill is declaring yourself a complete tool of the advertising industry." - Eli[gtlogo:VMC]


Queue.