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Eternal Sonata has 22 Achievements totaling 1000 .

All of the achievements are marked as Secret within the game, and may contain plot spoilers.

[edit] Secret Achievements

Picture	Achievement	Description
	Raindrops	Chapter 1 Raindrops has been completed.	10
	Revolution	Chapter 2 Revolution has been completed.	10
	Fantaisie-Impromptu	Chapter 3 Fantaisie-Impromptu has been completed.	10
	Grande Valse Brilliante	Chapter 4 Grande Valse Brilliante has been completed.	10
	Nocturne	Chapter 5 Nocturne has been completed.	10
	Tristesse	Chapter 6 Tristesse has been completed.	10
	Heroic	Chapter 7 Heroic has been completed.	10
	Heaven's Mirror	Final Chapter Heaven's Mirror has been completed.	10
	Grand Finale	Final Chapter Heaven's Mirror has been completed with all characters remaining.	70
	Unlocked Party Level 2	Party Level 2 can now be selected.	10
	Unlocked Party Level 3	Party Level 3 can now be selected.	10
	Unlocked Party Level 4	Party Level 4 can now be selected.	10
	Unlocked Party Level 5	Party Level 5 can now be selected.	10
	Unlocked Party Level 6	Party Level 6 can now be selected.	10
	Hero's Gate	The Hero's Gate has been opened.	30
	Rondo's Return	Rondo has been defeated in Unison.	50
	Claves's Resurrection	Unison has been completed and Claves has been resurrected.	50
	Soul Released	The soul of Chord, the first mineral powder test subject, has been released.	79
	Xylophone's Treasure	The hidden treasure in the secret room on the top floor of Xylophone Tower has been acquired.	80
	Pirates' Treasure	The mystery behind the the pirates' treasure has been solved and the treasure has been acquired.	80
	Score Piece Collector	All the score pieces scattered throughout the world have been collected.	100
	EZI Worshipper	All the items related to EZI have been collected.	321