Figment 2: Creed Valley is an action-adventure game set in the human mind. Nightmares are spreading chaos and have overrun once-peaceful lands. Join Dusty, The Mind’s courage, as you make your way through puzzles, musical boss fights and unique environments.
https://store.epicgames.com/en-US/free-games
Checkout link (via web browser, you must be logged in)
Also available: [PC, Epic] Free - Sky Racket @ Epic Games.
Some free steam games if anyone is interested:
Battlestar Galactica Deadlock
Fantasy General II
Field of Glory II: Medieval