Here is the full list of all 27 Air Bounce - there are The Jump 'n' Run Challenge achievements.
Secret 4
Secret 5
Secret 18
Level 9
Secret 17
Secret 16
Level 8
Secret 15
Secret 14
Secret 13
Level 7
Secret 11
Secret 10
Level 6
Secret 9
Secret 8
Secret 7
Secret 6
Level 5
Level 4
Secret 12
Secret 3
Level 3
Secret 2
Level 2
Secret 1
Level 1