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