Harvest some leather.

Smelt an iron ingot.

Throw diamonds at another player.

Construct a better pickaxe.

Punch a tree until the block of wood pops out.

Destroy all the Goats of Warding.

Complete a level by doing all the recipes in order

Collect every crafting recipe.

Finish the story on the Village of Shadows difficulty.

Go from healthy to injured during a chase and escape. Do this 50 times in public matches.

Shoot a zombie dog or a licker out of the air.

Open all of the safes and locks in the game.