Watch the credits
Land on all landing zones.
Complete a mission with depleted ammunition
Crash your helicopter during training.
Get all of the weapons.
Complete an attack mission with a transport helicopter.
Own all the helicopters
Find the artifact in the desert.
Find the Ferris Wheel in the taiga.
Complete Mission #30 without retrying from landing zone.
Land on the drop zone with one man left behind.
Find the Swords in the fjords.
Destroy 500 enemies.
Transport 200 soldiers.
Complete training.
Defeat the boss on level 35.
Promotion for 10 stars.
Promotion for 20 stars.
Promotion for 30 stars.
Promotion for 40 stars.
Promotion for 50 stars.
Promotion for 60 stars.
Promotion for 70 stars.
Promotion for 80 stars.
Promotion for 90 stars. Orders General?
Promotion for 105 stars.
Collect 175 dog tags.