How fast can you see and remember?
Here's a neat Chinese memory game that Fred sent today. It requires concentration and a quick eye. The game is played by clicking the numbers in order from smallest to largest.
Fred found this on a forum he frequents. The members there were reporting scores in the mid-30s. I have only broken out of the 30s one time, and I am sure that was luck, not skill. If you do better, give yourself a pat on the back.