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