Diamonds to you!

Throw diamonds at another player.

Music to my Ears

Play a music disc in a Jukebox.

Acquire Hardware

Smelt an iron ingot.

Hot Topic

Construct a furnace out of eight cobblestone blocks.

Time to Mine!

Use planks and sticks to make a pickaxe.

Into Fire

Relieve a Blaze of its rod.

Cow Tipper

Harvest some leather.

Benchmarking

Craft a workbench with four blocks of wooden planks.

Getting Wood

Punch a tree until the block of wood pops out.

Monster Hunter

Attack and destroy a monster.

On A Rail

Travel by minecart to a point at least 500m in a single direction from where you started.

Time to Strike!

Use planks and sticks to make a sword.

MOAR Tools

Construct one type of each tool (one pickaxe, one spade, one axe and one hoe).

Time to Farm!

Use planks and sticks to make a hoe.

Getting an Upgrade

Construct a better pickaxe.

The End.

Kill the Enderdragon.

Taking Inventory

Open your inventory.

The End?

Enter an End Portal.

DIAMONDS!

Acquire diamonds with your iron tools.

Overpowered

Eat a Notch Apple.

Trampoline

Bounce 30 blocks upward off a Slime Block.

...has become the Master

Win 3 public Battle mini games in a row. [Editions Only]

The Student...

Win a public Battle mini game. [Editions Only]

Underdog

Win a Tumble game whilst on the lowest layer in a Snowball Tumble Mini Game. [Editions Only]

Overlord

Stay on the top layer while winning a round in a Snowball Tumble Mini Game. [Editions Only]

Hotshot

Hit a Player with a Snowball while falling into the Lava. [Editions Only]