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