The Title Update 48 Title update for Minecraft: Xbox 360 Edition has 18 achievements worth 495 gamerscore.
Place a fully explored Map into an Item Frame.
Kill a Mob while wearing the same type of Mob Head.
Use an Elytra to fly through a 1 by 1 gap while moving faster than 40 m/s.
Dry a Sponge in a Furnace.
Tame a Horse.
Power a Furnace with Lava.
Respawn the Enderdragon.
Collect Dragon's Breath in a Glass Bottle.
Stay underwater for 2 minutes.
Poison a Witch with a Splash Potion.
Teleport over 100 meters from a single throw of an Ender Pearl.
Win 3 rounds in a row after one of the opponents has won 2 rounds.
Win a single round of Snowball Tumble without throwing any Snowballs.
Hit a single Player with 25 Snowballs in a single public round.
Hit a Player with a Snowball while falling into the Lava.
Push three Players into Lava using Snowballs.
Stay on the top layer while winning a round in a Snowball Tumble Mini Game.
Win a Tumble game whilst on the lowest layer in a Snowball Tumble Mini Game.