System name:
megacd

Full system name:
Sega Mega-CD

Supported file extensions:
.68k .68K .bin .BIN .bms .BMS .chd .CHD .cue .CUE .gen .GEN .gg .GG .iso .ISO .m3u .M3U .md .MD .mdx .MDX .sg .SG .sgd .SGD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP

Launch command:
%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/genesis_plus_gx_libretro.so %ROM%

Alternative launch commands:
%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/genesis_plus_gx_wide_libretro.so %ROM%
%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/picodrive_libretro.so %ROM%

Platform (for scraping):
segacd

Theme folder:
megacd