The 1.4.1 Title update for Terraria has 15 achievements.
You were so preoccupied with whether or not you could open the chest that you didn't stop to think if you should.
Defeat the Empress of Light, responsible for all those flashy lights and glitter.
Fly a kite on a windy day.
What you're celebrating doesn't matter, just throw a party already!
Trick a gnome into turning into stone!
Defeat Queen Slime, giving the coup-de-grace to the sovereign of all that jiggles.
Defeat the Dreadnautilus, murderous mollusk lurking beneath the surface of the sanguine seas.
Repel the strongest forces the Old One's Army can muster.
Obtain the Zenith, the culmination of a journey forged into the ultimate sword.
Meet with a tenant who's as happy as they possibly can be!
Encounter a fairy.
Enter a misty graveyard filled with the surly dead.
Deliver headpats to the town pet.
Obtain the Terraspark Boots, forged from the finest boots of fire and ice.
Drop a lure in a pool of lava for a pre-fried haul!