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