Here is the full list of all 30 Dust: An Elysian Tail achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Simultaneously Kill 6 Enemies with a Single Bomb
Opt out of putting poison ivy into Gianni's laundry
Successfully complete a 1000+ hit combo
Pick Up an Ability Orb
Hang out with Twelve Friends in the Sanctuary
Defeat General Gaius
Bug Matti
Destroy every enemy Cannon
Kill an enemy with the slide attack
Complete 20 Sidequests
Earn a Four-Star Rating in EVERY Challenge Arena
Fulfill Bopo’s wish for snow
Earn a Four-Star Rating in any Challenge Arena
Complete all Fale Quests
Successfully Parry with less than 10% health remaining
Defeat Baron Kane
Successfully complete a 200+ hit combo
Complete 10 Sidequests
Defeat Lady Tethys
Complete 5 Sidequests
Reign chaos by putting poison ivy into Gianni's laundry
Defeat Fuse
Kill 500 Enemies
Unlock a Cage and Rescue a Friend
Craft an item from a blueprint
Meet Haley
Level Up by Assigning Skill Gems
Use the DUST STORM on Fidget's Projectiles
Unlock a Treasure Chest
Complete the Game on Tough or Hardcore setting