Terraria Achievements

Using explosives or your trusty hammer, smash a Shadow Orb or Crimson Heart in the evil parts of your world.

Equip your first grappling hook.

Survive a blood moon, a nocturnal event where the rivers run red and monsters swarm aplenty.

Defeat the Eye of Cthulhu, an ocular menace who only appears at night.

Obtain a boss-summoning item.

Obtain an anvil made from iron or lead.

Craft a mana crystal out of fallen stars, and consume it.

Become a victim to a nasty underground trap.

Discover and smash your first heart crystal underground.

Craft your first work bench.

Discover a golden chest underground and take a peek at its contents.

Obtain your first hammer via crafting or otherwise.

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.

Mine your first nugget of ore with a pickaxe.

Survive your character's first full night.

Chop down your first tree.