Full list of all 12 1942: Joint Strike achievements worth 200 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Xbox 360.
Complete the game with the Lightning.
Complete the game with the Mosquito.
Complete the game with the Shinden.
Complete 3 levels of the game while playing Co-Op.
Destroy 30 enemies using a Joint Strike.
Get a 90% or better accuracy rating.
Complete the game on the Wing King difficulty setting.
Defeat all of the bosses with an A rating in one play-through.
Defeat all of the bosses with an S rating in one play-through.
Collect 30 medals.
Complete the game with over 200,000 points.
Complete the game with over 2,000,000 points.