Epic Games Store is offering multiple well-regarded adventure games for free on their store:
Deponia: The Complete Journey - a story of an antihero Rufus living on a junkyard planet and trying to escape it with the help of a mysterious girl. Link: https://www.epicgames.com/store/en-US/p/deponia-the-complete-journey
Ken Follett's The Pillars of the Earth - adventure game based on the bestselling historical novel. Link: https://www.epicgames.com/store/en-US/p/ken-follets-the-pillars-of-the-earth
The First Tree - 3D exploration game where you play a fox searching for her family and a son trying to connect with his father. Link: https://www.epicgames.com/store/en-US/p/the-first-tree
Screenshots of Deponia: The Complete Journey (from Steam):
Screenshots of The Pillars of the Earth:
Screenshots of The First Tree:
