The Steam page of Immortals Fenyx Rising shows that the game will be released on December 16th.
Immortals Fenyx Rising - Steam Page
Immortals Fenyx Rising brings grand mythological adventure to life. Play as Fenyx on a quest to save the Greek gods from a dark curse, take on mythological beasts, master the legendary powers of the gods, and defeat Typhon, the deadliest Titan in Greek mythology, in an epic fight for the ages.
Check it out on Steam: