Here is the full list of all 24 BattleStorm achievements.
Destroy 10,000 enemies.
Score 1 billion total points.
Complete any level without taking damage.
Use your shield to deflect an enemy bullet that would've killed you, then complete the level.
Complete all 25 levels.
Score 5 billion total points.
Achieve 90% accuracy on any level.
Achieve 75% accuracy on any level.
Complete a level without collecting a single powerup.
Collect 500 powerups.
Destroy 5,000 enemies.
Complete each level in World 4.
Destroy 500 fuel tanks.
Complete each level in World 3.
Destroy 100 enemy boats.
Complete each level in World 2.
Destroy 2,000 enemies.
Achieve a multiplier of 300x
Achieve a multiplier of 400x
Complete each level in World 1.
Achieve a multiplier of 200x
Achieve a multiplier of 100x
Achieve a multiplier of 500x
Score 2 billion total points.