Obtain your first hammer via crafting or otherwise.

Survive a solar eclipse, a day darker than night filled with creatures of horror.

Equip a pair of wings.

Build or encounter a glowing mushroom field above the surface.

Defeat the Brain of Cthulhu, an enourmous demon brain which haunts the creeping crimson.

Defeat King Slime, the lord of all things slimy.

Triumph over a goblin invasion, a ragtag regiment of crude, barbaric, pointy-eared warriors and their shadowflame sorcerers.

Travel a total of 26.2 miles on foot.

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.

You can only go down from here!

Equip a dye in every possible dye slot.

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

Defeat an enemy by running it over with a minecart.

Stumble into a spider cavern in the underground.

Equip armor in all three armor slots: head, chest, and feet.

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

Discover and smash your first heart crystal underground.

Kill pinky.

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

Obtain an anvil made from iron or lead.

Survive a long fall with just a sliver of health remaining.

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

Mine your first nugget of ore with a pickaxe.

Build a house suitable enough for your first town NPC, such as the guide, to move into.

Survive your character's first full night.

Chop down your first tree.