Here is the full list of all 50 Bayonetta achievements. It takes around 35-40 hours to unlock all of the achievements on Windows.
Collect all of Antonio's Notes.
While never setting foot on the ground, grab enemies 10 times using Kulshedra.
Taunt and defeat five plus angered enemies while taking no damage. Gaze of Despair may be equipped.
Counter three enemy attacks consecutively with the Moon of Mahaa-Kalaa equipped.
Create 20 Concoctions.
Execute 20 Wicked Weave attacks while using Dodge Offset.
Purchase all techniques.
Complete all Chapters on any difficulty.
Complete Chapters 14 through the Epilogue on Normal difficulty.
Complete all Chapters on Normal difficulty.
Defeat Father Balder on any difficulty.
Counter 10 enemy attacks with the Moon of Mahaa-Kalaa equipped.
Avert 10 enemy attacks with the Moon of Mahaa-Kalaa equipped.
Discover all of the Umbra Witches' final resting places.
Freeze 20 enemies while wearing Odette.
Kill 20 enemies using only Iai-Jutsu with Shuraba. (Iai-Jutsu performed by holding the Y button.)
Defeat Sapientia on any difficulty.
Complete Chapters 12 and 13 on Normal difficulty.
Defeat Iustitia on any difficulty.
Complete Chapters 8 through 11 on Normal difficulty.
Execute a Wicked Weave attack while using Dodge Offset.
Earn 10 Platinum Medals. Must be earned in 10 different battles.
Discover half of all the Umbra Witches' final resting places.
Defeat Temperantia on any difficulty.
Complete Chapters 5 through 7 on Normal difficulty.
Defend Cereza during the out of body experience, ensuring she takes no damage.
Execute 50 Torture Attacks.
Defeat Fortitudo on any difficulty.
Complete Chapters 1 through 4 on Normal difficulty.
Obtain three complete Angelic Hymn Gold LPs.
Purchase three new techniques.
Dodge the runaway streetcar during Chapter 2.
Engage Witch Time successfully 10 times consecutively.
Engage Witch Time successfully 10 times.
Complete the Vestibule.
Execute a Torture Attack.
Kill an enemy by jumping on top of them.
Complete Chapters 1 through 4 on Hard difficulty.
Complete Chapters 5 through 7 on Hard difficulty.
Complete Chapters 8 through 11 on Hard difficulty.
Complete Chapters 12 and 13 on Hard difficulty.
Complete Chapters 14 through the Epilogue on Hard difficulty.
Complete all Chapters on Hard difficulty.
Complete all Chapters on ∞ Climax difficulty.
Obtain seven complete Angelic Hymn Gold LPs.
Discover all Alfheim portals.
Complete half of all Alfheim portals.
Complete all Alfheim portals.
Destroy all the tentacles that drop down together during in single sequence in Chapter 9.
Earn Platinum Medals during Verse 1 and Verse 2 of Chapter 14.