Show the outside world that you're still alive

Kill 100 enemies by kicking them off the rooftops/cliffs.

Kill 50 enemies with shooting weapons

Reach Survivor Rank lvl 12

Get 15 Relief Packages

Save a bird on Beginner difficulty

Chop 100 logs in 16 seconds in classic or hero mode

Destroy a Ghast with a fireball.

Build some bookshelves to improve your enchantment table.

Construct a Dispenser.

Create an Iron Golem.

Catch and cook a fish!