Smelt wood trunks using charcoal to make more charcoal.

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

Catch and cook a fish!

Smelt an iron ingot.

Construct a furnace out of eight cobblestone blocks.

Harvest some leather.

Construct a better pickaxe.

Craft a workbench with four blocks of wooden planks.

Use an enemy combat robot to kill 10 enemies.

In Campaign, kill an enemy through a wall or obstruction.

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

Construct a better pickaxe.

Use planks and sticks to make a hoe.