Save Jill from confinement using Chris.

Wear a full suit of Iron armour.

Dye your bed a different color.

Acquire diamonds with your iron tools.

Smelt an iron ingot.

Finish the game using only your knife (no lighter, Defensive Items, and stomping zombie heads).

Finish the game without saving anyone using Chris.

Defeat Lisa Trevor using Chris.

Defeat Plant 42 using Chris.

Harvest some leather.

Construct a better pickaxe.

Use planks and sticks to make a pickaxe.