Pass the exam on the shooting range

Clean up the territory of the level 3

Get through the fifth level

Get through the seventh level

Find secret present

Escort the cargo ship on the level 2 on the first try

Get through the fourth level on the first try

Rescue all prisoners on the sixth level on the first try

Repel an enemy attack at level 8 on the first try

Shoot down 500 targets and stay alive

Shoot down 1500 targets and stay alive