Earn all the trophies.
Allow your world to become Corrupted.
Defeat every type of slime there is!
Travel a total of 26.2 miles on foot.
Collect all the armor sets.
Allow your world to become Hallowed.
Destroy a total of 10,000 tiles.
Equip a pair of wings.
Spelunk deep enough to reach the molten underworld.
Craft 300 items at an anvil.
Smelt 10,000 bars of metal.
Survive a blood moon, where the rivers run red and monsters swarm aplenty.
Use every type of crafting station.
Complete all the help quests from the guide!
Defeat every boss in Terraria.
Place 100 wires.
Do battle against the Twins, the Destroyer, and Skeletron Prime simultaneously and emerge victorious.
Unleash the ancient spirits of light and darkness across your world.
Activate 5 Buffs at once.
Equip armor or vanity clothing in all three social slots.
Kill the guide, you monster.
Survive a long fall with just a sliver of health remaining.
Perform an acrobatic triple jump with the help of accessories.
Travel from the Surface to the Underworld and back in one fell swoop.
Reach the deepest of depths.
Launch yourself into space.
Strap on some boots and go for a jog!
Find a floating island.
Build a suitable house for your first town NPC, such as the guide, to move into.
Have all possible town NPCs living in your world.
An NPC is destined to die in a trial by fire.
Trounce the Twins.
Dismantle the Destroyer.
Find all the pets!
Shatter Skeletron Prime.
Triumph over a goblin invasion, the pointy-eared warriors and their shadowflame sorcerers.
Survive your character's first full night.
Attain maximum life and mana possible without accessories or buffs.
Get some help from the guide.
Defeat the Empress of Light, responsible for all those flashy lights and glitter.
Obtain the Zenith, the culmination of a journey forged into the ultimate sword.
You were so preoccupied with whether you could, 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.
Obtain the Terraspark Boots, forged from the finest boots of fire and ice.
Encounter a fairy.
Defeat Deerclops, the chilly one-eyed monstrosity from a foreign land.
Obtain Golden Delight, the highest quality meal made from the highest quality... ingredients.
Delay death from drowning by drinking water. It doesn't make much sense, but you did what you had to do.