Ok ... so go here and try this ... it is in japanese but you should be able to make out the START button.
Here are the instructions:
Click on the link of the Flash Fabrica Game above ---- then follow these instructions
1. Click on 'start'
2. Wait for the countdown 3, 2, 1. Numbers will flash on the screen
3. Memorize the position of each of the numbers on the screen .
4. The numbers will be replaced with empty circles. Click the c ircles in the order of values of the numbers from the smallest number to the biggest number. For example if the numbers that flashed on the screen were 3, 8, 1 then click on the circle representing 1, then 3 and last of all 8.
5. At the end of game, the computer will tell you how old your brain is.
Good luck !!
Wierd thing is ... I am the age that I pretend to be ... how cool is that!! Oh wait .. maybe not ... not telling ... its a secret!