Indestructible
Complete every level in Classic Mode with 3 or more lives left.
50 
Mmmm Planes
Unlock every plane in the game.
30 
Globetrotter
Complete every level in Classic Mode.
30 
The Survivor
Play a single wave in Survival Mode without getting hit.
20 
Big Guns
Shoot 20 enemy planes in a row without getting hit.
20 
Easy Peasy
Complete any level in Classic Mode without losing a life
20 
Peashooter
Shoot 3 enemy planes in a row without getting hit.
10 
My First Plane
Unlock your first shiny new plane.
10 
Bang
Shoot down your first enemy plane.
5 
Boiiing
Bounce off the edge of the screen 3 times in a level.
5