Here is the full list of all 42 Devil May Cry 4 Special Edition achievements.
Defeat Dante with an SSS ranking in Son of Sparda Mode or higher.
Clear all missions in Son of Sparda Mode with an S ranking.
Clear all missions in Devil Hunter Mode with an S ranking.
Clear all missions in Human Mode with an S ranking.
Defeat 10,000 enemies.
Clear all secret missions.
Defeat Angelo Credo with an SSS ranking in Son of Sparda Mode or higher.
Defeat Angelo Agnus with an SSS ranking in Son of Sparda Mode or higher.
Clear all Bloody Palace stages with Dante.
Clear all Bloody Palace stages with all characters.
Clear all Bloody Palace stages with Nero.
Clear all Bloody Palace stages with Lady.
Clear all missions in Dante Must Die Mode with an S ranking.
Clear all game modes.
Clear all missions in Legendary Dark Knight Mode.
Clear all missions in Legendary Dark Knight Mode with an S Ranking.
Clear all missions in Human Mode.
Clear the game with Lady and Trish.
Clear all Bloody Palace stages with Trish.
Defeat Dante in the Bloody Palace without taking any damage.
Clear all Bloody Palace Mode stages with an S ranking.
Clear all Bloody Palace stages with Vergil.
Clear the Bloody Palace within 2 hours.
Clear the Bloody Palace in Turbo Mode.
Clear all missions in Hell and Hell Mode.
Clear all missions in Dante Must Die Mode.
Defeat Bael or Dagon with an SSS ranking in Son of Sparda Mode or higher.
Defeat Berial with an SSS ranking in Son of Sparda Mode or higher.
Defeat The Savior with an SSS ranking in Son of Sparda Mode or higher.
Acquire all of Nero's skills.
Acquire all of Dante's skills.
Defeat 10 enemies within 1 second.
Clear all missions in Heaven or Hell Mode.
Clear all missions in Son of Sparda Mode.
Defeat Echidna with an SSS ranking in Son of Sparda Mode or higher.
Defeat 1,000 enemies.
Clear all missions in Devil Hunter Mode.
Complete a Stylish Rank SSS (Smokin' Sick Style!!!) combo.
Clear the game with Vergil.
Defeat 100 enemies.
Complete a Stylish Rank SS (Smokin' Style!!) combo.
Complete a Stylish Rank S (Smokin'!) combo.