Challenged Aratak at the Frostfigures and won.

Found all of the Animal Figurines in the Cut.

Learned all of the new skills in the Frozen Wilds.

Completely drained the floodwater from inside the Greycatch.

Complete all side missions

Fully upgrade all weapons

Finish a District without triggering an alarm

Acquire all Contraptions and Contraption upgrades

Wait for the game to resume after the credits

Beat the game on "Bring 'em on!" difficulty or higher

Destroy a Zerstörer with an Übergewehr

Kill Hitler during the Aerostat Audition

Achieve the highest score in the Shooting Range