Turn up the dial on realism, equipment ai behaviour,driving,flight model,vegetation blending,effects,sounds its just more immersive that way Casuals will adapt , heck they are so casual they wont even notice more realistic features.And in case they dont like it? They are soo casual they wont complain!;D Edit parameters so on normal its like playing with ding **** and everyone can handle it , yet on higher difficulty edit parameters enable advanced features!