Drake Hollow
50 Achievements
GOG
All Hallows' Eve
Travel to Chapter 3: The Fall.
13.0%
How to unlock the All Hallows' Eve achievement in Drake Hollow - Definitive Guide
Not missable and will be obtained through natural progression by completing the quests in campaign mode. As soon as you complete chapter 2 "Summer", you will be transported to "Autumn/ Fall" and it will pop.