It wasn't changed. When the levels were all rewritten for Orb 2 TNL (The New Levels), CoolMath kept the original Orb 2. If you examine the two sets of levels, you will see that they are just rearranged a bit.
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551220 i am so wrong but close i am Justin Bieber hi guys ha at Madison square garden singing for fun u guys rock so keep helping 1 another.
Level 18 is 35626 on ORB 2 and ORB 2 TNL.
The code for Orb level 15 is 82522
the code to level on the game orb is 91431.
The actual code for level 11 in the game Orb (from coolmath.com) is 00330!
The last playable level is level 20: 19094 (last level) The passcode for level 21 is 51210, "You Have Won" (unlock all bonus games)
The last level to orb 2 is 51210
There is no level 23, but to get to level 22 just google Orb 2, click the second result, and complete the game here to unlock level 22.
There are only 15 levels on Orb. See the related question.
There are only 20 playable levels in Orb 2
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