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