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Corpse Party: Sweet Sachiko's Hysteric Birthday Bash Achievements · Ludixa

Name: Corpse Party: Sweet Sachiko's Hysteric Birthday Bash Achievements
Creator: Steam
License: Steam Web API Terms of Use

Every Corpse Party: Sweet Sachiko's Hysteric Birthday Bash achievement, ordered by how few players in the world have unlocked it.

to keep track of what you have here — unlocked entries stay ticked off, and you can filter down to what is left.

Data from Steam — Steam Web API Terms of Use. Last updated 18 Sept 2026.

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1 of 19 entries

Achievement	How to unlock	Unlocked by	Rarity
	Completed Chapter 0.	57.8%	Common