Complete the indicated task to unlock the achievement.

Achievement	How to unlock
BOSS BLASTER	Clear Boss Blaster Mode.
DESTROYER	See the true ending on Destroyer Mode.
EVE'SDECEPTION	See the normal ending.
FULL ACCELERATION BLAST	Defeat the boss of Area 7 with a FULL ACCELERATION BLAST.
MEMORIES OF THE METAFIGHT	See the true ending.
Mutant Scum Never Learns!	Obtain every key item.
SOPHIA SUMMON	Summon SOPHIA-III from a retry point.
THE ABYSSAL PREDATOR	Defeat the boss of Area 5.
THE EARTH-SHATTERING TYRANT	Defeat the boss of Area 4.
THE FORBIDDEN WEAPON	Defeat the boss of Area 6.
THE FOREST DESTROYER	Defeat the boss of Area 1.
THE PLANET EATER	Defeat the boss of Area 7.
THE TOXIC VERMIN	Defeat the boss of Area 2.
THE ULTIMATE METAFIGHT	Defeat the boss of Area 8.
THE UNCONTROLLABLE ENGINE	Defeat the boss of Area 3.