The Story Expansion Pack Wicked Isle Add-on for Atomfall has 9 achievements.
Escape the Quarantine Zone by talking down the Angel
Escape the Quarantine Zone by joining the Angel
Escape the Quarantine Zone with Jean Hamer
Open the sealed door inside the Midsummer Abbey crypt
Find and destroy 15 Garden Gnomes on Midsummer Isle
View 8 memories of the Midsummer monks
Kill an Aquatic Feral in a fist fight
Consume an Infection Sample, Infected Honeycomb, and Druids' Tonic within 10 seconds
Use an Explosive Lure on the Beekeeper’s Swarm