The 1.4.1 Title update for Terraria has 15 achievements.
Encounter a fairy.
Trick a gnome into turning into stone!
Defeat the Dreadnautilus, murderous mollusk lurking beneath the surface of the sanguine seas.
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.
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.
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!
Fly a kite on a windy day.
Meet with a tenant who's as happy as they possibly can be!
Deliver headpats to the town pet.
Obtain the Terraspark Boots, forged from the finest boots of fire and ice.
Obtain the Zenith, the culmination of a journey forged into the ultimate sword.
Enter a misty graveyard filled with the surly dead.