There are currently no cheats for this game however here are the achievements:

Achievements
Complete each of the following achievements below to get the allotted gamerscore.

Blitz (10): Complete the game on the Wing King difficulty setting.
Combat Ace (40): Complete the game with over 2,000,000 points.
Concerted Combat (10): Destroy 30 enemies using a Joint Strike.
Fangs Out (10): Defeat all of the bosses with an A rating in one play-through.
Lightning Rod (6): Complete the game with the Lightning.
Mosquito Wing (7): Complete the game with the Mosquito.
Padlocked (25): Defeat all of the bosses with an S rating in one play-through.
Sharpshooter (10): Get a 90% or better accuracy rating.
Shinden Striker (7): Complete the game with the Shinden.
Shooter (30): Complete the game with over 200,000 points.
Tiger (30): Collect 30 medals.
Wingman (15): Complete 3 levels of the game while playing Co-Op.

Secret Plane: The Black and Red Shinden
After beating the game on Wing King difficulty setting, go to Shinden in the plane selection screen and select it by pressing "Y" to use a black and red version of the Shinden with maxed out power.