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.
Reach the 15th wave of a pumpkin moon, where evil lurks among the autumn harvest.
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.
Triumph over a martian invasion, when beings from out of this world come to scramble your brains and probe you in uncomfortable places.
Do battle against the Twins, the Destroyer, and Skeletron Prime simultaneously and emerge victorious.
Obtain the Terrarian.
Have all possible town NPCs living in your world.
The only way is up!
Defeat every type of slime there is!
Command nine summoned minions simultaneously.
Build a house in a mushroom biome and have Truffle move in.
Defeat Duke Fishron, mutant terror of the sea.
Complete a grand total of 200 quests for the angler.
Complete your 50th quest for the angler.
Complete your 25th quest for the angler.
Obtain a golden fishing rod.
Breach the impenetrable walls of the jungle temple.
Complete your 10th quest for the angler.
Complete your 1st quest for the angler.
Fire a rainbow gun while riding on a unicorn.
Attain maximum health and mana possible without accessories or buffs.
Build or encounter a glowing mushroom field above the surface.
Defeat every boss in Terraria.
Equip a dye in every possible dye slot.
Craft a molten pickaxe using the hottest of materials.
Fire a Bee Gun while wearing a full set of Bee Armor.
Spend over 1 gold being treated by the nurse.
Defeat the Eater of Worlds, a massive worm whom dwells in the corruption.
Kill Tim.
Kill pinky.
Defeat the Moon Lord.
Defeat King Slime, the lord of all things slimy.
Survive the slime rain, where gelatinous organisms fall from the sky in droves.
Defeat the four celestial towers of the moon.
Defeat the Ancient Cultist, fanatical leader of the dungeon coven.
Defeat Golem, the stone-faced ritualistic idol of the lihzahrd tribe.
Obtain a Terra Blade, forged from the finest blades of light and darkness.
Unlock one of the dungeon's large, mysterious chests with a special key.
Kill a nymph.
Destroy a total of 10,000 tiles.
Mine chlorophyte, an organic ore found deep among the thickest of flora.
Obtain a rare treasure from a difficult monster in the dungeon.
Survive a solar eclipse, a day darker than night filled with creatures of horror.
Craft a drax or pickaxe axe using hallowed bars, and the souls of the three mechanical bosses.
Defeat Plantera, the overgrown monstrosity of the jungle's depths.
Throw a yoyo.
Consume a life fruit, which grows in the thick of subterranean jungle grass.
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.
Using explosives or your trusty hammer, smash a Shadow Orb or Crimson Heart in the evil parts of your world.
Equip a mount.
Equip a pair of wings.
Obtain a rainbow rod.
Obtain a minishark.
Triumph over a pirate invasion, a group of pillagers from the sea out for your booty... and your life!
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.
Steal a key from dungeon's undead denizens, and unlock one of their precious golden chests.
Stumble into a spider cavern in the underground.
Equip your first grappling hook.
Kill the groom.
Defeat Skeletron, the cursed guardian of the dungeon.
Equip armor or vanity clothing in all three social slots.
Discover a large bee's hive deep in the jungle.
Defeat the Queen Bee, the matriarch of the jungle hives.
Triumph over a goblin invasion, a ragtag regiment of crude, barbaric, pointy-eared warriors and their shadowflame sorcerers.
Survive a blood moon, a nocturnal event where the rivers run red and monsters swarm aplenty.
Travel a total of 26.2 miles on foot.
Defeat the Eye of Cthulhu, an ocular menace who only appears at night.
Spelunk deep enough to reach the molten underworld.
Defeat an enemy by running it over with a minecart.
Survive a long fall with just a sliver of health remaining.
You can only go down from here!
Become a victim to a nasty underground trap.
Equip armor in all three armor slots: head, chest, and feet.
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.
Obtain an anvil made from iron or lead.
Obtain a boss-summoning item.
Discover a golden chest underground and take a peek at its contents.
Discover and smash your first heart crystal underground.
Survive your character's first full night.
Mine your first nugget of ore with a pickaxe.
Craft a mana crystal out of fallen stars, and consume it.
Chop down your first tree.
Craft your first work bench.
Defeat the Empress of Light, responsible for all those flashy lights and glitter.
Repel the strongest forces the Old One's Army can muster.
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!
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.
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.
Fly a kite on a windy day.
Meet with a tenant who's as happy as they possibly can be!
Deliver headpats to the town pet.
Enter a misty graveyard filled with the surly dead.
Trick a gnome into turning into stone!
Encounter a fairy.
Delay death from drowning by drinking water. It doesn't make much sense, but you did what you had to do.
Obtain the Cell Phone. You'll never leave home without it again.
Shimmer an item into another item. What other transmutations can you find?
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.
Some very special seeds can lead to unique and rewarding experiences. Can you find one?
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.
Find all of the Slime Pets and have them move in!
Completely purify all Corruption, Crimson, and Hallow from your world, until the Dryad is satisfied!
Fly a Kwad Racer into outer space.