Allow your world to become Corrupted.

Craft 300 items at an anvil.

Find all the pets!

Defeat every boss in Terraria.

Defeat the Empress of Light, responsible for all those flashy lights and glitter.

Do battle against the Twins, the Destroyer, and Skeletron Prime simultaneously and emerge victorious.

Attain maximum life and mana possible without accessories or buffs.

Shatter Skeletron Prime.

Roll up 100 types of things.

Place 100 wires.

Unleash the ancient spirits of light and darkness across your world.

Delay death from drowning by drinking water. It doesn't make much sense, but you did what you had to do.

Launch yourself into space.