Throw diamonds at another player.

Construct an Enchantment Table.

Acquire diamonds with your iron tools.

Use planks and sticks to make a hoe.

Wear a full suit of Iron Armour.

Use a saddle to ride a pig, then have the pig get hurt from fall damage while riding it.

Complete "The Chase"

Complete all Arcade levels

Construct a furnace out of eight cobblestone blocks.

Discover 17 of 40 biomes.

Construct a better pickaxe.

Craft a workbench with four blocks of wooden planks.

Hit a Player with a Snowball while falling into the Lava.