Kill 3 Echoes by shooting a Sun
Line up and shoot 6 Echoes with a single shot
Voice! Voice! Voice!
Collect all Voices
We're getting the band back together
Have Echoes play the harp and piano at the same time.
Complete the fourth Verse
Collect 100 Voices
Complete the fifth Verse
Complete the third Verse
Shout and get the attention of 8 Echoes at once
Complete the second Verse
Have Echoes know how to sprint, vault, use doors and walk in water at the same time
Push 5 Echoes at once with the Riot Gun