Defeated multiple ghosts simultaneously.

Defeated a ghost for the first time.

Cleared the Prologue.

Complete an Onboard Mission.

Use a Skill Program to teach a Skill to any pilot.

View an Interruption Message.

Implement an AOS Update.

Complete an Area Mission.

Defeat the Manticore -- Aria of Sorrow

Finish the game without saving.

Finish the game on Hard difficulty.

Save Chris using Rebecca.

【RAID MODE】Acquire 10 bonuses at the results screen.