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.
Obtain the Terrarian.
Defeat every boss in Terraria.
Defeat the Moon Lord.
Reach the 15th wave of a frost moon, where the festive season quickly degrades into madness.
Triumph over the frost legion, a festive family of maniacal snowman mobsters.
Command nine summoned minions simultaneously.
Reach the 15th wave of a pumpkin moon, where evil lurks among the autumn harvest.
Complete a grand total of 200 quests for the angler.
Fire a rainbow gun while riding on a unicorn.
Complete your 50th quest for the angler.
Do battle against the Twins, the Destroyer, and Skeletron Prime simultaneously and emerge victorious.
Defeat Duke Fishron, mutant terror of the sea.
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 the four celestial towers of the moon.
Defeat the Ancient Cultist, fanatical leader of the dungeon coven.
Obtain a rainbow rod.
Defeat Golem, the stone-faced ritualistic idol of the lihzahrd tribe.
Obtain a golden fishing rod.
Obtain a Terra Blade, forged from the finest blades of light and darkness.
Attain maximum health and mana possible without accessories or buffs.
Complete your 25th quest for the angler.
Survive a solar eclipse, a day darker than night filled with creatures of horror.
Defeat every type of slime there is!
Kill Doctor Bones.
Unlock one of the dungeon's large, mysterious chests with a special key.
Have all possible town NPCs living in your world.
Obtain a rare treasure from a difficult monster in the dungeon.
Defeat Plantera, the overgrown monstrosity of the jungle's depths.
Consume a life fruit, which grows in the thick of subterranean jungle grass.
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.
Spend over 1 gold being treated by the nurse.
Triumph over a pirate invasion, a group of pillagers from the sea out for your booty... and your life!
Complete your 10th quest for the angler.
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.
Build a house in a mushroom biome and have Truffle move in.
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.
Equip a dye in every possible dye slot.
Fire a Bee Gun while wearing a full set of Bee Armor.
Build or encounter a glowing mushroom field above the surface.
Defeat an enemy by running it over with a minecart.
Equip a mount.
Complete your 1st quest for the angler.
Defeat the Brain of Cthuhlu, an enourmous demon brain which haunts the creeping crimson.
Defeat the Queen Bee, the matriarch of the jungle hives.
Discover a large bee's hive deep in the jungle.
Obtain a minishark.
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.
Survive the slime rain, where gelatinous organisms fall from the sky in droves.
Defeat King Slime, the lord of all things slimy.
Kill pinky.
Defeat the Eater of Worlds, a massive worm whom dwells in the corruption.
Travel a total of 26.2 miles on foot.
Kill the groom.
Using explosives or your trusty hammer, smash a Shadow Orb or Crimson Heart in the evil parts of your world.
The only way is up!
Steal a key from dungeon's undead denizens, and unlock one of their precious golden chests.
Spelunk deep enough to reach the molten underworld.
Kill Tim.
Defeat the Eye of Cthulhu, an ocular menace who only appears at night.
Defeat Skeletron, the cursed guardian of the dungeon.
Become a victim to a nasty underground trap.
You can only go down from here!
Craft a molten pickaxe using the hottest of materials.
Discover and smash your first heart crystal underground.
Stumble into a spider cavern in the underground.
Throw a yoyo.
Survive a blood moon, a nocturnal event where the rivers run red and monsters swarm aplenty.
Equip armor or vanity clothing in all three social slots.
Equip your first grappling hook.
Discover a golden chest underground and take a peek at its contents.
Obtain an anvil made from iron or lead.
Build a house suitable enough for your first town NPC, such as the guide, to move into.
Survive your character's first full night.
Survive a long fall with just a sliver of health remaining.
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.
Obtain your first hammer via crafting or otherwise.
Craft a mana crystal out of fallen stars, and consume it.
Obtain a boss-summoning item.
Craft your first work bench.
Meet with a tenant who's as happy as they possibly can be!
Deliver headpats to the town pet.
Trick a gnome into turning into stone!
Enter a misty graveyard filled with the surly dead.
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.
Drop a lure in a pool of lava for a pre-fried haul!
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.
Repel the strongest forces the Old One's Army can muster.
You were so preoccupied with whether or not you could open the chest that you didn't stop to think if you should.
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.
Encounter a fairy.
Fly a kite on a windy day.
Fly a Kwad Racer into outer space.
Find all of the Slime Pets and have them move in!
Obtain Golden Delight, the highest quality meal made from the highest quality . . . ingredients.
Completely purify all Corruption, Crimson, and Hallow from your world, until the Dryad is satisfied!
Invoked the wrath of the God of Torches, and survived long enough to earn its blessing.
Defeat Deerclops, the chilly one-eyed monstrosity from a foreign land.
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.
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.
Obtain the Ankh Shield, the finest protection from unpleasant maladies and ailments.