In the 60s there was a table for testing one's powers of observation. Its name was the "Entertaining table". Find on the table the number sequence from 1 to 90 inclusive. If you can find these numbers in: * 5-10 minutes, you have exceptional powers of observation * 10-15 minutes - good * 15-20 minutes - average * 20-25 minutes - satisfactory powers of observation There are 3 game modes: * 1 minute, * unlimited time, *10 seconds per move FREE download on App Store
