There are only 15 levels on Orb. See the related question.
The code is 51210. But this is the end screen. The last playable level is level 20 (code 19094 and hard to beat).
Kill the shark
There are only 20 playable levels in Orb 2
51210
It is not a playable level. Level 20 is impractically difficult but can be beaten.
Spell "twenty" on the buttons tjbgjhuvhgchgco beat level 20.
howdo you beat level 20 on go robts
U take the Red box and make them all in a row
in soulsilver you get the red orb in heartgold you get the blue orb
you have to write "TWENTY" on 40x escape level 20
Level 18 is 35626 on ORB 2 and ORB 2 TNL.
you have to write "TWENTY" on 40x escape level 20