Unfortunately d3d10, d3d11 and d3d12 output drivera in Retroarch has some bugs preventing koko-aio from running properly or running at all. If you absolutely need to use one of those output drivers (xbox user?), then you NEED to open the file located in config\config-static.inc with a text editor and turn the line: // #define D3D_WORKAROUND into: #define D3D_WORKAROUND So, removing the leading "//", and save it. That way some workarounds will be activated and you should be able to run koko-aio on your xbox or with a direct3d output driver. As of today doing that will disable: * Performance optimizations when drawing anything outside the game content area * Delta render * Luminosity tied zoom * Leds scene change detection