Full list of all 35 Fallout Shelter achievements worth 1,000 gamerscore. It takes around 80-100 hours to unlock all of the achievements on Xbox One.
Successfully stopped 50 Raider Attacks
Changed the appearance of 10 Dwellers in the Barbershop
Collected 20 Legendary Outfits
Completed 100 Quests
Leveled up a Dweller from level 1 to 50
Crafted every Theme
Collected 20 Legendary Weapons
Completed 60 Quests
Collected all Fragments of 4 Theme Recipes
Made 25 dialogue choices on Quests
Crafted an Outfit, a Weapon and a Theme
Collected 100 Stimpaks and 100 RadAway on Quests
Collected all Fragments of a Theme Recipe
Completed 30 Quests
Killed 500 enemies on Quests
Completed 10 Quests
Crafted 10 Outfits
Killed 10 Quest Bosses
Crafted 10 Weapons
Built 1 of every room type
Upgraded 20 Rooms to Level 3
Leveled up a dweller from Level 1 to 25
Built 50 rooms
Made 25 Babies
Successfully completed 50 Room Rushes
Collected 10,000 Caps
Built 25 rooms
Leveled up a dweller from Level 1 to 10
Merged 3 Food Rooms
Merged 3 Power Rooms
Merged 3 Water Rooms
Collected 1,000 Caps
Collect 20 Legendary Dwellers
Complete 100 objectives
Scrap 500 items