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