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