Does your Genesis(r), however, need a replacement controller? Stop looking in your attic and yard sales to find a replacement. Simply pick up the retroGEN(r) controller. RetroGEN (r), featuring the classic layout of six buttons, is an ideal companion to your Genesis(r). In no time, you can be racing in the Green Hill Zone. Compatible with Sega Genesis system Classic 6-button layout Ideal replacement for a lost or damaged controller