Full list of all 115 Terraria achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 88 achievements, and there are 3 DLC packs containing 27 achievements.
Complete a grand total of 200 quests for the angler.
Triumph over the frost legion, a festive family of maniacal snowman mobsters.
Obtain the Terrarian.
Command nine summoned minions simultaneously.
Defeat the Moon Lord.
Defeat the four celestial towers of the moon.
Defeat every boss in Terraria.
Defeat the Ancient Cultist, fanatical leader of the dungeon coven.
Obtain a Terra Blade, forged from the finest blades of light and darkness.
Defeat every type of slime there is!
Do battle against the Twins, the Destroyer, and Skeletron Prime simultaneously and emerge victorious.
Attain maximum health and mana possible without accessories or buffs.
Obtain a rainbow rod.
Breach the impenetrable walls of the jungle temple.
Fire a rainbow gun while riding on a unicorn.
Survive a solar eclipse, a day darker than night filled with creatures of horror.
Mine chlorophyte, an organic ore found deep among the thickest of flora.
Craft a drax or pickaxe axe using hallowed bars, and the souls of the three mechanical bosses.
Defeat Duke Fishron, mutant terror of the sea.
Defeat the three nocturnal mechanical menaces: the Twins, the Destroyer, and Skeletron Prime.
Build a house in a mushroom biome and have Truffle move in.
Triumph over a pirate invasion, a group of pillagers from the sea out for your booty... and your life!
Mine a powerful ore that has been newly blessed upon your world.
Smash a demon or crimson altar with a powerful, holy hammer.
Unleash the ancient spirits of light and darkness across your world, enabling much stronger foes and showering the world with dazzling treasures (and rainbows!).
Defeat the Wall of Flesh, the master and core of the world who arises after a great, burning sacrifice.
Obtain a golden fishing rod.
Defeat the Brain of Cthuhlu, an enourmous demon brain which haunts the creeping crimson.
Fire a Bee Gun while wearing a full set of Bee Armor.
Defeat the Queen Bee, the matriarch of the jungle hives.
Complete your 25th quest for the angler.
Equip a dye in every possible dye slot.
Complete your 10th quest for the angler.
Triumph over a martian invasion, when beings from out of this world come to scramble your brains and probe you in uncomfortable places.
Build or encounter a glowing mushroom field above the surface.
Defeat Golem, the stone-faced ritualistic idol of the lihzahrd tribe.
Defeat Plantera, the overgrown monstrosity of the jungle's depths.
Reach the 15th wave of a frost moon, where the festive season quickly degrades into madness.
Obtain a rare treasure from a difficult monster in the dungeon.
Unlock one of the dungeon's large, mysterious chests with a special key.
Reach the 15th wave of a pumpkin moon, where evil lurks among the autumn harvest.
Consume a life fruit, which grows in the thick of subterranean jungle grass.
Survive the slime rain, where gelatinous organisms fall from the sky in droves.
Kill Doctor Bones.
Kill the groom.
Discover a large bee's hive deep in the jungle.
Stumble into a spider cavern in the underground.
Have all possible town NPCs living in your world.
Spend over 1 gold being treated by the nurse.
Survive a blood moon, a nocturnal event where the rivers run red and monsters swarm aplenty.
Kill pinky.
Survive a long fall with just a sliver of health remaining.
Complete your 50th quest for the angler.
Equip armor or vanity clothing in all three social slots.
Defeat King Slime, the lord of all things slimy.
Craft a molten pickaxe using the hottest of materials.
Destroy a total of 10,000 tiles.
The only way is up!
Steal a key from dungeon's undead denizens, and unlock one of their precious golden chests.
Equip your first grappling hook.
Defeat Skeletron, the cursed guardian of the dungeon.
Spelunk deep enough to reach the molten underworld.
Complete your 1st quest for the angler.
Throw a yoyo.
Kill a nymph.
Travel a total of 26.2 miles on foot.
Defeat the Eater of Worlds, a massive worm whom dwells in the corruption.
Equip a pair of wings.
You can only go down from here!
Obtain a minishark.
Defeat the Eye of Cthulhu, an ocular menace who only appears at night.
Kill Tim.
Obtain a boss-summoning item.
Obtain an anvil made from iron or lead.
Defeat an enemy by running it over with a minecart.
Triumph over a goblin invasion, a ragtag regiment of crude, barbaric, pointy-eared warriors and their shadowflame sorcerers.
Equip armor in all three armor slots: head, chest, and feet.
Discover a golden chest underground and take a peek at its contents.
Discover and smash your first heart crystal underground.
Craft a mana crystal out of fallen stars, and consume it.
Equip a mount.
Become a victim to a nasty underground trap.
Using explosives or your trusty hammer, smash a Shadow Orb or Crimson Heart in the evil parts of your world.
Survive your character's first full night.
Mine your first nugget of ore with a pickaxe.
Build a house suitable enough for your first town NPC, such as the guide, to move into.
Obtain your first hammer via crafting or otherwise.
Chop down your first tree.
Craft your first work bench.
Obtain the Zenith, the culmination of a journey forged into the ultimate sword.
Repel the strongest forces the Old One's Army can muster.
Defeat the Empress of Light, responsible for all those flashy lights and glitter.
Defeat the Dreadnautilus, murderous mollusk lurking beneath the surface of the sanguine seas.
Defeat Queen Slime, giving the coup-de-grace to the sovereign of all that jiggles.
Drop a lure in a pool of lava for a pre-fried haul!
Obtain the Terraspark Boots, forged from the finest boots of fire and ice.
What you're celebrating doesn't matter, just throw a party already!
Fly a kite on a windy day.
You were so preoccupied with whether or not you could open the chest that you didn't stop to think if you should.
Deliver headpats to the town pet.
Encounter a fairy.
Enter a misty graveyard filled with the surly dead.
Meet with a tenant who's as happy as they possibly can be!
Trick a gnome into turning into stone!
Completely purify all Corruption, Crimson, and Hallow from your world, until the Dryad is satisfied!
Obtain the Cell Phone. You'll never leave home without it again.
Fly a Kwad Racer into outer space.
Obtain the Ankh Shield, the finest protection from unpleasant maladies and ailments.
Delay death from drowning by drinking water. It doesn't make much sense, but you did what you had to do.
Obtain Golden Delight, the highest quality meal made from the highest quality . . . ingredients.
Find all of the Slime Pets and have them move in!
Shimmer an item into another item. What other transmutations can you find?
Some very special seeds can lead to unique and rewarding experiences. Can you find one?
Defeat Deerclops, the chilly one-eyed monstrosity from a foreign land.
Invoked the wrath of the God of Torches, and survived long enough to earn its blessing.