Here is the full list of all 9 Touhou Fantasia achievements.
灵梦撞到猫（自机被Boss体术）
Hold for 20 seconds in the time challenge stage.
无续关通关（看到结尾CG)
击败米粒
游戏启动成功
无雷无伤通过关卡
Hold for 40 seconds in the time challenge stage.
Hold for 1 minute in the time challenge stage.
Hold for 3 minutes in the time challenge stage.