Have no polluting industry in your city, only Office Zone and specialized zones.

Apply a policy to a district you created

Have a Citizen educated to level 3 from 0

Inspect a police building 50 times in a row

Retrieve all treasure from the Workshop’s center chamber

Complete the tutorial

Use treasure maps to find all of the dig spots

Kill all of Odin’s Ravens

Assist all of the wayward spirits

Fully explore Veithurgard

Defeat the nine Valkyries

Purchase a new map tile for the first time