Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Acquired Super PhD	Win 3 times with Dr. Paradigm online.
Campaign Legend	Finish Campaign Mode on Hard.
Campaign Master	Finish Campaign Mode.
Dex Guy	Finish one default Free Mission with all masters.
Dr. Paradigm's Compliments	Finish all of the default Free Missions using Dr. Paradigm.
Eternal Challenger	Lose 3 times online.
First step to World Conquer	Finish one match online.
Flame of Corruption	Win 3 times with Sol online.
Fox-trot	Win 3 times with Izuna online.
Full Course	Finish all of the default Free Missions using all masters.
Heaven or Hell	Win 5 times online.
Hello World!	Finish mission #0 "Noise".
Immortal Slayer	Finish mission #5 "Gaze of the Chronicle".
Let's Rock	Win 20 times online.
Master of Adjectives	Finish all of the default Free Missions using Sin.
Not Bad as a Fighter	Finish all default Free Missions using any master.
Picky One	Finish half of the default Free Missions using all masters.
Prince Lightning	Win 3 times with Sin online.
Raven's Pleasure	Finish all of the default Free Missions using Raven.
Romping Izuna	Finish all of the default Free Missions using Izuna.
Rule Master	Finished mission #2 "The Alarm Always Rings Unexpectedly".
Sol-ism	Finish all of the default Free Missions using Sol.
Sweet Revelation	Win 3 times with Valentine online.
Tag Match Debut	Finish one Tag Match (2vs2).
Undying Disease	Win 3 times with Raven online.
Valentine may praise you...?	Finish all of the default Free Missions using Valentine.