Brain Cruncher:  
BrainCruncher is a MasterMind type logic game played with numbers. You try to guess four different numbers that are randomly generated by the computer. Enter your guess and the computer will evaluate your number, by telling you how many numbers are correct, and how many are in the correct position.
 131K    Download

Brain Works Personality Software
Most people also have a distinct preference for either auditory or visual learning techniques. Find out which learning styles most often apply to you! Download the file and run it to take the test. You will be given 20 questions to answer. Every question is designed to focus on one of the two elements that influence you.
1,180K   Download

Phenomenon IQ Test
An IQ test packaged in graphics and comments from the movie Phenomenon. Offers three levels of average challenge, genius challenge and super-genius challenge. Measures the time you take for each task and gives you two trials for each task.
 1,621K   Download

Brain Cell Logic Puzzle:
Brain Cell is a traditional style logic puzzle. A unique twist to this game is that the player may enter his or her own data, which will then be used to generate the puzzle.  Download

NimSim:
Nim was given its name by a Charles Bouton who named it after an archaic English word meaning to steal or to take away.  Bouton was an associate professor of mathematics at Harvard University.  Download

Brain Builder Math Edition:
This program brings you more than 500 million problems presented in a fun, multimedia format. Sharpen your problem-solving and critical- thinking skills by tackling math puzzles that are presented at precisely your learning level. Watch your math scores climb as your rank advances from Learner all the way up to Math Genius and finally, Einstein. Version 3.0 features better graphics, help files, installation, and registration. This is a 30-day trial. The registration price is $14.99. Download

The Brain Game:
What part of the brain is dominant in your thinking patterns? Visual? Audible? What kind of patterns do you relate to the most? What kind of thinker are you? Take this fun brain game and see. Print your results, too. Download 429 K / 1.2MB Unzipped

Online Tests and Puzzles:
Free Online Intelligence Test
European Online Intelligence Test (Mensa)
Test Your Intelligence Quotient (Printout)
Mensa International Brain Workout