Full list of all 39 Terraria achievements worth 1,290 gamerscore. It takes around 80-100 hours to unlock all of the achievements in the base game on Xbox One.
The base game contains 30 achievements worth 1,000 Gamerscore, and there are 3 DLC packs containing 9 achievements worth 290 Gamerscore.
Traveled more than 26.2 miles on foot!
That's put a feather in your cap!
Copper and iron and gold, oh my!
You've amassed a fine collection of armor.
Every boss in Terraria has been defeated!
Skeletron Prime has been pulverised.
The apprentice has become the Master.
The Mechanic would be proud.
What a wild collection!
The Hallow has taken over!
Destroyer? Destroyed!
Are you buff enough to take on a boss?
Corruption has spread far and wide across your world!
You've made 300 items at an anvil!
You have triumphed over a goblin invasion!
The ancient spirits of light and darkness have been unleashed!
The Twins were no trouble.
Attained maximum life and mana possible!
Your first town NPC has made themselves at home!
All possible town NPCs are living in your world.
You can only go down from here!
Destroyed more than 10,000 tiles!
You have survived a blood moon!
You have survived your first full night!
You've braved the Underworld and returned safely!
The only way is up!
Now you're dressed to impress!
You've completed the Tutorial, now go forth and explore a new world!
You've asked the guide for help!
Defeat every type of slime there is.
Defeat the Empress of Light, responsible for all those flashy lights and glitter.
Obtain the Zenith, the culmination of a journey forged into the ultimate sword.
You were so preoccupied with whether you could, that you didn't stop to think if you should.
Defeat Queen Slime, giving the coup-de-grace to the sovereign of all that jiggles.
Obtain the Terraspark Boots, forged from the finest boots of fire and ice.
Encounter a fairy.
Defeat Deerclops, the chilly one-eyed monstrosity from a foreign land.
Obtain Golden Delight, the highest quality meal made from the highest quality... ingredients.
Delay death from drowning by drinking water. It makes no sense, but you did what you had to do.