82522
45571
Level 18 is 35626 on ORB 2 and ORB 2 TNL.
73617
65617
21. 51210
There are only 21 levels.
The last playable level is level 20: 19094 (last level) The passcode for level 21 is 51210, "You Have Won" (unlock all bonus games)
FDSAJDSAGLJGD12143352343
The code for Orb level 15 is 82522
73108
There are only 15 levels on Orb. See the related question.
The code for level 15 on Bloxorz is: 098598. The code for level 16 on Bloxorz is: 000241.