Try  Reds And Blues. Collider Studios' "Reds and Blues" will help you to measure your consantration and memory with complicated mathematical calculations that you should remember in order to get high score. The best score is still 1024. If you can beat this score send a screenshot and user name to asim.azizov5@gmail.com. Your score will be added as a new record. Do your best. 

Good luck...