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.
Completed 60 Quests
Crafted an Outfit, a Weapon and a Theme
Built 1 of every room type
Made 25 Babies
Made 25 dialogue choices on Quests
Collected all Fragments of 4 Theme Recipes
Collected 100 Stimpaks and 100 RadAway on Quests
Built 50 rooms
Completed 30 Quests
Killed 500 enemies on Quests
Collected all Fragments of a Theme Recipe
Upgraded 20 Rooms to Level 3
Crafted 10 Weapons
Successfully completed 50 Room Rushes
Completed 10 Quests
Built 25 rooms
Killed 10 Quest Bosses
Leveled up a dweller from Level 1 to 25
Collected 10,000 Caps
Leveled up a dweller from Level 1 to 10
Merged 3 Food Rooms
Merged 3 Water Rooms
Merged 3 Power Rooms
Collected 1,000 Caps
Level up a Dweller from Level 1 to 50
Collect 20 Legendary Weapons
Collect 20 Legendary Outfits
Collect 20 Legendary Dwellers
Successfully stop 50 Raider Attacks
Complete 100 objectives
Complete 100 Quests
Craft every Theme
Scrap 500 items
Craft 10 Outfits
Change the appearance of 10 Dwellers in the Barbershop