Complete level 16
Complete All Trophies
Upgrade all elements of the plane to at least level 15.
Upgrade all elements of the plane to at least level 10.
Complete level 15
Complete level 14
Complete level 13
Complete level 12
Complete level 11
Complete level 10
Complete level 9
Upgrade all elements of the plane to at least level 5.
Complete level 8
Complete level 7
Complete level 6
Upgrade all elements of the plane to at least level 2
Complete level 5
Complete level 4
Complete level 3
Complete level 2
Make some improvements to the plane
Complete level 1