Build a suitable house for your first town NPC, such as the guide, to move into.

Wear a full suit of Iron armour.

Smelt wood trunks using charcoal to make more charcoal.

Kill a creeper with arrows.

Smelt an iron ingot.

Harvest some leather.

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

Use planks and sticks to make a sword.

Craft a workbench with four blocks of wooden planks.

Punch a tree until the block of wood pops out.

Harvest some leather.

Attack and destroy a monster.

Use planks and sticks to make a sword.