CHIFEngine is a low-level graphics engine focused on large-scale open-world games, designed for customizability and performance.The engine utilizes an Entity Component System (ECS) for modular and efficient entity handling, with a focus on cache efficiency and performance.CHIFEngine implements a custom job system for parallelizing tasks like physics, AI, and procedural generation, improving performance and scalability.Challenges in building the engine include memory management, procedural generation, and efficient asset handling.