Games
These are some games to exercise your thinking skills. While they do not focus on one particular test, the tests also look at your thinking skills. Give these a try to get an extra workout!
Luminosity
Games designed specifically for each user to improve memory and ability to focus. You need to create your own account before you begin.
Sheppardsoftware
Explore the brain games to improve your memory, logic, or strategy skills. You should explore the other games to practice any skills.