Proprietary Engine [by Team Ninja] is the in-house game development engine crafted by the renowned Japanese studio, Team Ninja. This powerful engine has been instrumental in bringing their signature action RPGs to life, most notably powering the critically acclaimed Nioh 2. It is designed to deliver high-fidelity graphics, complex combat mechanics, and immersive world-building, allowing Team Ninja to fully realize their creative visions and push the boundaries of action game development. The engine's flexibility and optimization are key to the fluid gameplay and stunning visual presentation characteristic of their titles.