Armored Core: For Answer

Salineos and 051ANNR:
To unlock the Salineos missiles and 051ANNR rifle you have to complete the
"Defeat the White Glint" mission at the end of Chapter 2.

EC-0307AB:
To unlock EC-0307AB triple back laser cannons, you have to complete
the "Attack on Carpals" mission in Chapter 3.

All purchasable parts:
To unlock all purchasable parts you have to complete both the Collared and
ORCA story modes.

07-Moonlight (laser blade), ASB-0710 (additional boosters shoulder piece):
To unlock 07-Moonlight laser blade and the ASB-0710 boosters shoulder piece you
have to defeat Orca Rank 5 Next Shinkai.

White Glint Head, Core, Arms, Legs, and Head (top) Stabilizer:
You have to complete the "Defend Line Ark" mission at the end of Chapter 2
(White Glint does not have to survive).


Achievements:
Complete the following achievements to award the indicated amount
of Xbox Live Gamerscore points.

AF Answerer (20 gamerscore points): Defeat AF Answerer.
AF Cabracan (20 gamerscore points): Defeat AF Cabracan.
AF Eclipse (20 gamerscore points): Defeat AF Eclipse.
AF Great Wall (20 gamerscore points): Defeat AF Great Wall.
AF Jet (20 gamerscore points): Defeat AF Jet.
AF Land Crab (20 gamerscore points): Defeat AF Land Crab.
AF Soldios Orbit (20 gamerscore points): Defeat AF Soldios Orbit.
AF Stigro (20 gamerscore points): Defeat AF Stigro.
AF The Spilit of Motherwill (20 points): Defeat AF The Spilit of Motherwill.
Arena (30 gamerscore points): Completed the arena.
Arena Rank 10 (20 gamerscore points): Ranked in the top 10.
Arena Rank 20 (20 gamerscore points): Ranked in the top 20.
Chapter 1 (20 gamerscore points): Complete Chapter 1.
Chapter 2 (20 gamerscore points): Complete Chapter 2.
Chapter 3 (20 gamerscore points): Complete Chapter 3.
Class A (30 gamerscore points): Promoted to Class A.
Class C (20 gamerscore points): Promoted to Class C.
Class E (20 gamerscore points): Promoted to Class E.
Ending 1 (40 gamerscore points): Complete story (1 points).
Ending 2 (40 gamerscore points): Complete story (2 points).
Ending 3 (40 gamerscore points): Complete story (3 points).
Hard Difficulty (20 gamerscore points): Complete all Hard Missions.
Mission Rank S (30 gamerscore points): Achieve Total Mission Rank S.
Mission Rank SS (40 gamerscore points): Achieve Total Mission Rank SS.
Normal Difficulty (20 gamerscore points): Complete all Normal Missions.
ORCA Arena (30 gamerscore points): Complete ORCA arena.
Ranker (40 gamerscore points): Promoted to Ranker.
1000 kills (20 gamerscore points): Perform 1000 kills.
1000 wins (20 gamerscore points): Achieve 1000 wins.
2000 kills (20 gamerscore points): Perform 2000 kills.
2000 wins (20 gamerscore points): Achieve 2000 wins.
3000 kills (20 gamerscore points): Perform 3000 kills.
3000 wins (20 gamerscore points): Achieve 3000 wins.
4000 kills (20 gamerscore points): Perform 4000 kills.
4000 wins (20 gamerscore points): Achieve 4000 wins.
5000 kills (20 gamerscore points): Perform 5000 kills.
5000 wins (20 gamerscore points): Achieve 5000 wins.
7500 kills (20 gamerscore points): Perform 7500 kills.
7500 wins (20 gamerscore points): Achieve 7500 wins.
10000 kills (40 gamerscore points): Perform 10000 kills.
10000 wins (40 gamerscore points): Achieve 10000 wins.