Smelt an iron ingot.

Harvest some leather.

Cook and eat a pork chop.

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

Construct a furnace out of eight cobblestone blocks.

Open your inventory.

Craft a workbench with four blocks of wooden planks.

Had an enemy frozen, corroded, ignited, and electrocuted at the same time.

Had Purple-rated gear or better equipped in every slot.

Used the Grinder to create a Legendary item.

Successfully recovered the Override Key.

Digitized into Claptrap's Brain.