Reach 15 is a mathematical puzzle game that will tease your mind. Take the circles and combine, slide, fling, or do as you please with them, but remember... Reach 15.
There are three modes: Easy, Normal, and Whhaaat?
Start where you like and make the challenge more difficult by moving to a higher mode.
Check out the "Achievements" page for alternate goals while you play.
All high scores and achievements are stored to the device.