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