Here is the full list of all 24 Touhou : Shooting Star | 東方流星譚 achievements.
Launch Game
Defeat Rumia
Defeat Chirno
Defeat Reimu
Defeat Sakuya
Defeat Alice
Defeat Yuka
Defeat Yukari
Clear story
Defeat Tenshi
Defeat Youmu
Defeat Yuyuko
Defeat Frandre(Hard)
Marisa's daiy!
Clear All Challenge Quests(Normal)
Clear all Clallenge Quests(Hard)
Get all weapons (Rare<=4)
Get all Weapons(Rare<=8)
Get all Unique Weapons
Get all Armors(Rare<=4)
Get all Armors(Rare<=8)
Get all Unique Armors
Get all Spell Cards
Change Cloth