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