Bayonetta 2 Cheats - Wii U

Angelic Hymns Gold LP
Returning the lost record to Rodin allows you to gain a new weapon.

Chain Chomp + Purchasable Umbran Elegance - Complete all Chapters on 3rd Climax.
Chernobog + Umbran Elegance - Found in Chapter 5, Verses 1 and 4.
Kafka / Samsa + Purchasable Umbran Elegance - Complete Chapter 2, Verse 5.
Rakshasa / Rasetsu + Purchasable Alt. + Purchasable Umbran Elegance - Complete Chapter 1, Verse 6.
Salamandra / Agni + Purchasable Alt. - Found in Chapter 10, Verses 3, 6, and 8.
Takemikazuchi / Yagyu + Purchasable Umbran Elegance - Found in Chapter 8, Verses 5 and 7, and Chapter 9, Verse 6.
Undine / Rusalka + Purchasable Alt. - Found in Chapter 4, Verses 1 and 6.

Bewitchments
While the Wii U doesn't have a system analogous to Achievements on Xbox 360 or Trophies on PlayStation 3, both of which the original Bayonetta appeared on and took advantage of, there is an in-game list of "Bewitchments" the player can obtain by completing certain tasks, effectively functioning the same way. There are thirty in all.

Ace Pilot - Defeat all enemies in Jetfighter Assault.
After the End Comes... - Complete the Records of Time on any difficulty.
Apprentice of Secret Arts - Create your first Concoction.
Bad Boy! - Touch Bayonetta once during 10 different cutscenes.
Beautiful! - Defeat Rodin.
Card Collector - Collect every Verse Card.
Chapter VII Complete - Complete Chapter VII on any difficulty.
Chapter XVI Complete - Complete Chapter XVI on any difficulty.
Chapters I-IV Complete - Complete Chapters I through IV on any difficulty.
Chapters V-VI Complete - Complete Chapters V and VI on any difficulty.
Chapters VIII-IX Complete - Complete Chapters VIII and IX on any difficulty.
Chapters X-XII Complete - Complete Chapters X through XII on any difficulty.
Chapters XIII-XV Complete - Complete Chapters XIII through XV on any difficulty.
Cruel Witchcraft - Defeat 20 Angels with Torture Attacks.
Darkness Envelops Light - Defeat Balder in Chapter XII without taking damage.
Destroyer of the Light - Defeat 30 Angels with Umbran Climaxes.
Discography - Collect all Angelic Hymns Gold LPs.
End Ruler - Complete all of Muspelheim.
Ice Queen - In Story Mode, freeze over 40 non-ice elemental enemy types with Undine.
Liberator of Time - Open all of the Umbra Witches' final resting places.
Master of Secret Arts - Concoct every possible item at least once.
Prepared for Anything - Make your first purchase at the Gates of Hell.
Prologue Complete - Complete the Prologue on any difficulty.
Relentless Witchcraft - Defeat 20 Demons with Torture Attacks.
Retribution of Thorns - In Story Mode, tie up and slam down enemies 50 times with Alruna.
Scrapbook Complete - Collect all of the Journal's Echoes.
Survivor of Darkness - Defeat 30 Demons with Umbran Climaxes.
True Witch - Playing ∞ Climax mode, complete every chapter.
Umbran Successor - Acquire all skills.
War on All Planes - Complete a Muspelheim challenge.

Infinite Climax (Difficulty)
Complete the game on the difficulty setting 3rd Climax to unlock Infinite Climax Difficulty.

Unlock additional playable characters for Story Mode and Tag Climax.
Next to Bayonetta there are 4 additional characters that are playable in the game. However, Rodin and Balder are limited to being playable in Tag Climax only.

Balder - Beat Verse Card no. 13 in Tag Climax mode.
Jeanne - Beat Story Mode on any difficulty.
Rodin - Beat Verse Card no. 53 in Tag Climax mode.
Rosa - Beat Story Mode on 3rd Climax difficulty.

Witch Trials Mode
Complete the game's single player campaign on any difficulty level.

How To Move The Samus Costume's Visor
To move the Samus costume's visor at any time during gameplay and/or cutscenes you simply hold Down on the Directional-Pad for a few seconds.

Start Battles in Witch-Time
During cutscenes, you can press the trigger buttons (ZL/ZR) to make Bayonetta avoid attacks, there is no prompt or anything, but if done correctly, you will start the battle after the scene in Witch-Time.

Turn Jets Into Arwings
In both Chapter 1 and Chapter 16 wearing the Star Mercenary costume will change the jets into an arwing from Starfox. While Chapter 1 is purely cosmetic Chapter 16 on other hand is fully playable and changes the way the Jetfighter Assult section is played.