Here is an overview of the game, via Square Enix:
Left Alive is a brand-new survival action shooter coming to PlayStation 4 and PC in 2019. Set during a devastating invasion in war-torn Novo Slava, Left Alive tells a human story of survival.
Veteran developers, Toshifumi Nabeshima (director, Armored Core series), Yoji Shinkawa from Kojima Productions (character designer, Metal Gear series), and Takayuki Yanase (mech designer, Ghost in the Shell: Arise, Mobile Suit Gundam 00, Xenoblade Chronicles X) join forces to create Left Alive’s dark and gritty world.
Watch a new trailer introducing the game’s three protagonists—each with their own stories, missions and paths to salvation—below. View a new set of screenshots at the gallery.