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