I had the flickering problem with shadow in zombies mode using the R9 295x2 dual GPU before the AMD settings/Crimson edition was released. After I downloaded the new software, I notice a drop in frame-rate with random freezes, which frequently occurs while playing. Also, I can't set the "Shadows Quality" to "High" in "Shadows of Evil" (a Zombie mode map). If I do set it to high, the number of shadow-flickering increases and the FPS drops for some reason. Lastly, the game lags or freezes in some spots/areas in Zombies mode. I hope you guys find a way to fix these issues that occur in Crossfire mode.