The code is 51210. But it is pointless to go to the game just to see the end screen.
18:22435
25654
54974
You unlock all the bonus levels (five on Orb 2 TNL). These are special unnumbered challenge levels, not like the first 20 in Orb 2 or Orb 2 TNL.
12 = 76859
Yes. It can be found at cool math games as a game called Orb 2 - The New Levels. Password for finished game is 51210.
The password for level 13 is 66979.
Level 7:81426
awesome
44791
Defeat Mordred and get the orb
Level 18 is 35626 on ORB 2 and ORB 2 TNL.