New World Interactive is the latest studio to be affected by the restructuring at Embracer Group.
The likes of Norco, Insurgency: Sandstorm, Pentiment, Somerville, and more are also included in Game Pass' newest batch of additions.
Insurgency: Sandstorm is available now on consoles, with PS5 and Xbox Series X/S offering a 4K and 60 fps experience.
Meanwhile, Vampyr crossed 1 million units sold, while Insurgency: Sandstorm has over half a million copies sold on PC.
Owners of New World Interactive's first game in the series can avail a 10 percent loyalty discount.
Upcoming improvements include upgrading to Unreal Engine 4.20 and more cosmetic item variations.
Focus Home Interactive has announced its line-up for E3 2018.
Focus Home Interactive and New World Interactive are teaming up on the game.