Destroy an airplane
Destroy a tank
Destroy a patrol ship
Destroy an aircraft carrier
Destroyed 70 aircraft in total
Destroyed 30 tanks in total
Destroyed 5 aircraft carriers in total
At the end of a round, the HP is above 80%
At the end of a round, the HP is below 20%
Pass the level in 15 minutes
Pass the level over 30 minutes
The number of destroyed enemy planes is less than 3, and the HP is above 80%
Pass a level after failing more than three times in a row
Complete the R country line
Complete the J country line
Complete the EU country line