Showing the directory structure of RetroPie 2.3 (not massively different for 2.6.0 etc..) and where config files are used. Should help manually make edits if required. <br />Shows where the game metadata is stored as well as controller configs. <br /> <br />Some more path info here: <br />http://blog.petrockblock.com/2014/07/01/major-update-for-retropie/ <br /> <br />Also a reference here to how RetroPie/RetroArch automatically use controller configs: <br />http://blog.petrockblock.com/2013/12/02/retropie-autoconfig-functionality/ <br /> <br />Default RetroArch file here: <br />https://github.com/libretro/RetroArch/blob/master/retroarch.cfg