Use a True Triple Attack.
Raise compatibility of a weapon to maximum.
Successfully complete a mission.
Continue playing to unlock this secret achievement.
Purchase a weapon.
Obtain over 10,000 EXP in a single battle.
Upgrade a weapon.
Achieve 1000 K.O.s.
Obtain all achievements.
Obtain every equippable item.
Listen to all the music.
Join battle over 100 times with any one officer.
Unlock all wallpaper.
Unlock all costumes.
Clear a battlefield created using Musou Battlefields for the first time.
Clear a scenario using either online play or the 2-player mode.
Purchase a weapon using crystals.
Hold a banquet.
Raise the bonds of one pair of officers to its maximum.
Use all mountable weapons.
Clear a scenario in under 5 minutes.
Successfully perform a combo of 1000 or more.
Obtain weapons level 4 for all officers.
Purchase a weapon that costs over 10,000 gems.
Unlock all officers for play.
Clear all scenarios.
