Challenge+Your+Brain

__Online Games__

 * [|Absurd Math] (bet you didn't think you'd see math here!)
 * [|Brain Bashers] - Puzzles and Brain Teasers
 * [|Chess Is Fun]
 * [|Conceptis Puzzles] The art of logic.
 * [|Games for the Brain] Some fun yet challenging games here.
 * [|Invention at Play] Test your problem-solving abilities.
 * [|Physics Games] (don't let the title scare you!)
 * [|The Problem Site] - Problem Solving and Educational Games
 * [|The Race Against Global Poverty Game]
 * [|Zoopz] Games that make you think.
 * [|Nobel Prize] Educational Games

__Practice Your Typing__

 * [|TypeRacer]
 * [|Typing Game Collection]
 * [|TypingWeb]