Full list of all 39 LEGO The Hobbit achievements worth 1,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements on Xbox One.
Collected 10,000,000,000 studs
Transformed to Beorn's bear form.
Equipped Thorin with the Mithril Mushroom Crown
Equipped yourself with Dazzle Wig, Mithril Rhythm Stick and Mithril Dance Boots.
Achieved 100% completion
Completed all the quests in Middle-earth
Collected all characters
Forged all the Mithril Treasure Items
Forged all the Perfect Mithril Treasure Items
Collected all Mithril Bricks
Collected all Schematics
Collected all Minikits
Collected all Treasure Items in levels
Created a custom character.
Obtained all Master Burglar titles
Used Gandalf's startle ability to dazzle 50 enemies
Completed the Bonus Level
Used every combination of Dwarves for Buddy-Up attacks
Used 50 Buddy-Up attacks
Completed the mining game perfectly 50 times
Played a level in co-op
Completed "Inside Information"
Completed "On the Doorstep"
Completed "The Necromancer"
Completed "Looking for Proof"
Completed "A Warm Welcome"
Obtained 150,000 studs from Instruction Builds bonuses
Completed "Barrels Out of Bond"
Completed "Flies and Spiders"
Completed "Queer Lodgings"
Completed "Out of the Frying Pan…"
Completed "Goblin Town"
Completed "Over Hill and Under Hill"
Collected 99 of any loot
Completed "The Troll Hoard"
Completed "Roast Mutton"
Completed "Azog the Defiler"
Completed "An Unexpected Party"
Completed "Greatest Kingdom in Middle-earth"