Engine Settings Screen Rendering Method - GPU (Bilinear): Render the screen using Direct3D. High image quality but can reduce performance depending on hardware. * If the game runs slowly without this on, please do not choose this option. - CPU (Bilinear): Render the screen using the CPU. Average image quality but can reduce performance depending on hardware. - CPU (Nearest Neighbor): Render the screen using the CPU. Poor image quality but provides the best performance. Fullscreen Processing - Resolution - Don't Change: Do not change the resolution. - Change: Automatically choose the best resolution and aspect ratio. - Zoom Method - Zoom (Fit to Screen): Maintain the aspect ratio and expand the window to the nearest edge of the screen. - Zoom (Fill Screen): Maintain the aspect ratio and expand the window across the entire screen. (Parts of the image may be rendered off-screen.) - Zoom (Stretch): Ignore the aspect ratio and stretch the window to fit the screen. - Don't Zoom: Do not expand the window.