Attack and destroy a monster.

Harvest some leather.

Gather all 16 colours of wool.

Destroy a Ghast with a fireball.

Open your inventory.

Throw diamonds at another player.

Construct a furnace out of eight cobblestone blocks.

Punch a tree until the block of wood pops out.

In Spaceland, Pack-A-Punch a weapon.

Survive a dog attack.

Kill 20 enemies with explosives in a single level.

Operate an AC-130 gun ship.

Save the farmer.