You have a set of 6 characters which you have to solve using hidden videos. Each video will represent a character when you find them, fill them in and be on your way to unlock a total of 20 codes and you may be the lucky one to win yourself a brand new Nokia N9. You can also follow @N9Seconds on Twitter and keep up to date on whats going on with the codes.
The contest is open until 31-12-11 (sooner if cracked earlier) for everyone over the age of 15.
[UPDATE] The competition has concluded and 20 winners have emerged. Head over here to see the solutions to the codes