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