What happens when on club penguin you complete all spy missions?

Answer 1

Nothing in particular happens. The Club Penguin staff constantly continue to make more missions.

Answer 2

sometimes just a task or trying to catch herbert!

Answer 3

you can redo any of the missions on club penguin as many times as you want but you dont get anything special or extend and do more missions

Answer 4

after the missions are finished you can replay any of the missions that you want. Otherwise you don't do much and you wait for a new mission to come.