Earn all the trophies.
Get some help from the guide.
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.
Reach the deepest of depths.
Defeat every boss in Terraria.
Defeat every type of slime there is!
Unleash the ancient spirits of light and darkness across your world.
Attain maximum life and mana possible without accessories or buffs.
Allow your world to become Corrupted.
Allow your world to become Hallowed.
Trounce the Twins.
Shatter Skeletron Prime.
Dismantle the Destroyer.
Travel a total of 26.2 miles on foot.
Destroy a total of 10,000 tiles.
Triumph over a goblin invasion, the pointy-eared warriors and their shadowflame sorcerers.
Survive your character's first full night.
Launch yourself into space.
Equip armor or vanity clothing in all three social slots.
Find all the pets!
Activate 5 Buffs at once.
Equip a pair of wings.
Craft 300 items at an anvil.
Smelt 10,000 bars of metal.
Collect all the armor sets.
Place 100 wires.
Survive a blood moon, where the rivers run red and monsters swarm aplenty.
Use every type of crafting station.
Travel from the Surface to the Underworld and back in one fell swoop.
Do battle against the Twins, the Destroyer, and Skeletron Prime simultaneously and emerge victorious.
Find a floating island.
Perform an acrobatic triple jump with the help of accessories.
Survive a long fall with just a sliver of health remaining.
Spelunk deep enough to reach the molten underworld.
Strap on some boots and go for a jog!
An NPC is destined to die in a trial by fire.
Kill the guide, you monster.
Complete all the help quests 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.