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