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.
Defeat every type of slime there is!
Command nine summoned minions simultaneously.
Build a house in a mushroom biome and have Truffle move in.
Fire a Bee Gun while wearing a full set of Bee Armor.
Triumph over a martian invasion, when beings from out of this world come to scramble your brains and probe you in uncomfortable places.
Reach the 15th wave of a pumpkin moon, where evil lurks among the autumn harvest.
Obtain the Terrarian.
Kill Doctor Bones.
Defeat Duke Fishron, mutant terror of the sea.
Have all possible town NPCs living in your world.
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.
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.
Unlock one of the dungeon's large, mysterious chests with a special key.
Mine chlorophyte, an organic ore found deep among the thickest of flora.
Do battle against the Twins, the Destroyer, and Skeletron Prime simultaneously and emerge victorious.
Obtain a Terra Blade, forged from the finest blades of light and darkness.
Equip a dye in every possible dye slot.
You can only go down from here!
Defeat every boss in Terraria.
Defeat the Brain of Cthuhlu, an enourmous demon brain which haunts the creeping crimson.
Defeat King Slime, the lord of all things slimy.
The only way is up!
Survive a long fall with just a sliver of health remaining.
Defeat the Queen Bee, the matriarch of the jungle hives.
Obtain a minishark.
Survive a blood moon, a nocturnal event where the rivers run red and monsters swarm aplenty.
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.
Build or encounter a glowing mushroom field above the surface.
Defeat the Moon Lord.
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.
Breach the impenetrable walls of the jungle temple.
Defeat Plantera, the overgrown monstrosity of the jungle's depths.
Defeat the three nocturnal mechanical menaces: the Twins, the Destroyer, and Skeletron Prime.
Attain maximum health and mana possible without accessories or buffs.
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.
Discover a large bee's hive deep in the jungle.
Stumble into a spider cavern in the underground.
Destroy a total of 10,000 tiles.
Obtain a rare treasure from a difficult monster in the dungeon.
Obtain a golden fishing rod.
Equip a mount.
Mine a powerful ore that has been newly blessed upon your world.
Equip your first grappling hook.
Craft a molten pickaxe using the hottest of materials.
Kill the groom.
Triumph over a pirate invasion, a group of pillagers from the sea out for your booty... and your life!
Survive the slime rain, where gelatinous organisms fall from the sky in droves.
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.
Spend over 1 gold being treated by the nurse.
Kill Tim.
Spelunk deep enough to reach the molten underworld.
Defeat an enemy by running it over with a minecart.
Steal a key from dungeon's undead denizens, and unlock one of their precious golden chests.
Defeat Skeletron, the cursed guardian of the dungeon.
Travel a total of 26.2 miles on foot.
Defeat the Eater of Worlds, a massive worm whom dwells in the corruption.
Triumph over a goblin invasion, a ragtag regiment of crude, barbaric, pointy-eared warriors and their shadowflame sorcerers.
Using explosives or your trusty hammer, smash a Shadow Orb or Crimson Heart in the evil parts of your world.
Kill a nymph.
Throw a yoyo.
Become a victim to a nasty underground trap.
Defeat the Eye of Cthulhu, an ocular menace who only appears at night.
Craft a mana crystal out of fallen stars, and consume it.
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.
Equip armor or vanity clothing in all three social slots.
Obtain an anvil made from iron or lead.
Mine your first nugget of ore with a pickaxe.
Equip armor in all three armor slots: head, chest, and feet.
Build a house suitable enough for your first town NPC, such as the guide, to move into.
Survive your character's first full night.
Kill pinky.
Chop down your first tree.
Obtain your first hammer via crafting or otherwise.
Equip a pair of wings.
Craft your first work bench.
Drop a lure in a pool of lava for a pre-fried haul!
Repel the strongest forces the Old One's Army can muster.
Defeat the Dreadnautilus, murderous mollusk lurking beneath the surface of the sanguine seas.
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.
What you're celebrating doesn't matter, just throw a party already!
Meet with a tenant who's as happy as they possibly can be!
Deliver headpats to the town pet.
Fly a kite on a windy day.
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.
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.
Trick a gnome into turning into stone!
Encounter a fairy.
Fly a Kwad Racer into outer space.
Obtain the Ankh Shield, the finest protection from unpleasant maladies and ailments.
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?
Invoked the wrath of the God of Torches, and survived long enough to earn its blessing.
Shimmer an item into another item. What other transmutations can you find?
Defeat Deerclops, the chilly one-eyed monstrosity from a foreign land.
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!
Obtain the Cell Phone. You'll never leave home without it again.