The Cocoa Mode & Before Next Adventure Add-on for Rabi-Ribi has 11 achievements.
Defeat Special Rita.
Reach 9999/9999 during Special Rita Battle.
Collect 20 Easter Eggs with 0% items.
Defeat a boss with Cocoa's self-destruction attack.
Finish Main Game and Post Game as Cocoa.
Finish Chapter 10 as Cocoa.
Finish True Boss Rush as Cocoa.
Finish all 8 SP Bosses and Halloween Cats Boss as Cocoa. (Cannot finish in E Rank)
100% items and maps as Cocoa. Then defeat powered up version of Chapter 10 Boss in BEX Mode.
Defeated all chapter 1-8 bosses in MAX rank as Cocoa.