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