Befriend five wolves.

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

Visit all Ocean Biomes.

Acquire diamonds with your iron tools.

Craft and place a sign.

Breed two cows with wheat.

Construct a furnace out of eight cobblestone blocks.

Find an underwater ruin.

Harvest some leather.

Construct a better pickaxe.

Craft a workbench with four blocks of wooden planks.

Punch a tree until the block of wood pops out.

You caught the batter looking for a 3rd-out strikeout with the bases loaded.