The player has restored the forests of Arcadia

The player has taken a Research Photo of the highest grade

The player has defeated Peach Wilkins

The player has defeated the crazed Dr. Steinman

Made it to the city in Regular or Hardcore difficulty.

Construct a Dispenser.

Construct a better pickaxe.

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

Relieve a Blaze of its rod.

Kill the Enderdragon.

Travel by minecart to a point at least 500m in a single direction from where you started.

Bake a cake using wheat, sugar, milk and eggs!

Smelt an iron ingot.