In this playthrough you can earn these achievements:
Ace: Score 185,000 Points in one game: 20G
Veteran: Score 100,000 Points in one game: 10G
Rookie: Score 30,000 Points in one game: 5G
Legend: Complete the game on insane: 50G
Immortal: Complete a level without dying or losing any allies: 15G
Untouchable: Complete a level without taking any damage: 15G
Halfway Point: Reach Mission 3 on any difficulty and finish it:5G.