ZEN is a versatile game engine recognized for its role in developing titles like Marlow Briggs and the Mask of Death. While specific technical details are not widely publicized, its use in this action-adventure game suggests capabilities for handling dynamic combat, engaging narratives, and visually appealing environments. ZEN likely offers a robust framework for developers looking to create immersive and interactive experiences, providing tools that support both 2D and 3D game development, though its primary strengths may lie in action-oriented genres.