diff --git a/resources/systems/android/es_systems.xml b/resources/systems/android/es_systems.xml
index db3bf5f0a..b65a8c4fd 100644
--- a/resources/systems/android/es_systems.xml
+++ b/resources/systems/android/es_systems.xml
@@ -1494,7 +1494,7 @@
         <name>sega32x</name>
         <fullname>Sega Mega Drive 32X</fullname>
         <path>%ROMPATH%/sega32x</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% %EXTRA_CONFIGFILE%=/storage/emulated/0/Android/data/%ANDROIDPACKAGE%/files/retroarch.cfg %EXTRA_LIBRETRO%=picodrive_libretro_android.so %EXTRA_ROM%=%ROM%</command>
         <platform>sega32x</platform>
         <theme>sega32x</theme>
@@ -1503,7 +1503,7 @@
         <name>sega32xjp</name>
         <fullname>Sega Super 32X</fullname>
         <path>%ROMPATH%/sega32xjp</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% %EXTRA_CONFIGFILE%=/storage/emulated/0/Android/data/%ANDROIDPACKAGE%/files/retroarch.cfg %EXTRA_LIBRETRO%=picodrive_libretro_android.so %EXTRA_ROM%=%ROM%</command>
         <platform>sega32x</platform>
         <theme>sega32xjp</theme>
@@ -1512,7 +1512,7 @@
         <name>sega32xna</name>
         <fullname>Sega Genesis 32X</fullname>
         <path>%ROMPATH%/sega32xna</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% %EXTRA_CONFIGFILE%=/storage/emulated/0/Android/data/%ANDROIDPACKAGE%/files/retroarch.cfg %EXTRA_LIBRETRO%=picodrive_libretro_android.so %EXTRA_ROM%=%ROM%</command>
         <platform>sega32x</platform>
         <theme>sega32xna</theme>
diff --git a/resources/systems/linux/es_systems.xml b/resources/systems/linux/es_systems.xml
index e1dc2e15c..b6db3f43a 100644
--- a/resources/systems/linux/es_systems.xml
+++ b/resources/systems/linux/es_systems.xml
@@ -1687,7 +1687,7 @@
         <name>sega32x</name>
         <fullname>Sega Mega Drive 32X</fullname>
         <path>%ROMPATH%/sega32x</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/picodrive_libretro.so %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Mega 32X" %ROM%</command>
         <platform>sega32x</platform>
@@ -1697,7 +1697,7 @@
         <name>sega32xjp</name>
         <fullname>Sega Super 32X</fullname>
         <path>%ROMPATH%/sega32xjp</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/picodrive_libretro.so %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Mega 32X" %ROM%</command>
         <platform>sega32x</platform>
@@ -1707,7 +1707,7 @@
         <name>sega32xna</name>
         <fullname>Sega Genesis 32X</fullname>
         <path>%ROMPATH%/sega32xna</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/picodrive_libretro.so %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Mega 32X" %ROM%</command>
         <platform>sega32x</platform>
diff --git a/resources/systems/macos/es_systems.xml b/resources/systems/macos/es_systems.xml
index 78f782345..0d93a227c 100644
--- a/resources/systems/macos/es_systems.xml
+++ b/resources/systems/macos/es_systems.xml
@@ -1608,7 +1608,7 @@
         <name>sega32x</name>
         <fullname>Sega Mega Drive 32X</fullname>
         <path>%ROMPATH%/sega32x</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/picodrive_libretro.dylib %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Mega 32X" %ROM%</command>
         <platform>sega32x</platform>
@@ -1618,7 +1618,7 @@
         <name>sega32xjp</name>
         <fullname>Sega Super 32X</fullname>
         <path>%ROMPATH%/sega32xjp</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/picodrive_libretro.dylib %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Mega 32X" %ROM%</command>
         <platform>sega32x</platform>
@@ -1628,7 +1628,7 @@
         <name>sega32xna</name>
         <fullname>Sega Genesis 32X</fullname>
         <path>%ROMPATH%/sega32xna</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/picodrive_libretro.dylib %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Mega 32X" %ROM%</command>
         <platform>sega32x</platform>
diff --git a/resources/systems/unix/es_systems.xml b/resources/systems/unix/es_systems.xml
index 42af3ad0f..7ec265f23 100644
--- a/resources/systems/unix/es_systems.xml
+++ b/resources/systems/unix/es_systems.xml
@@ -1661,7 +1661,7 @@
         <name>sega32x</name>
         <fullname>Sega Mega Drive 32X</fullname>
         <path>%ROMPATH%/sega32x</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/picodrive_libretro.so %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Mega 32X" %ROM%</command>
         <platform>sega32x</platform>
@@ -1671,7 +1671,7 @@
         <name>sega32xjp</name>
         <fullname>Sega Super 32X</fullname>
         <path>%ROMPATH%/sega32xjp</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/picodrive_libretro.so %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Mega 32X" %ROM%</command>
         <platform>sega32x</platform>
@@ -1681,7 +1681,7 @@
         <name>sega32xna</name>
         <fullname>Sega Genesis 32X</fullname>
         <path>%ROMPATH%/sega32xna</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/picodrive_libretro.so %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Mega 32X" %ROM%</command>
         <platform>sega32x</platform>
diff --git a/resources/systems/windows/es_systems.xml b/resources/systems/windows/es_systems.xml
index 4ad0ca334..0d969b7e9 100644
--- a/resources/systems/windows/es_systems.xml
+++ b/resources/systems/windows/es_systems.xml
@@ -1675,7 +1675,7 @@
         <name>sega32x</name>
         <fullname>Sega Mega Drive 32X</fullname>
         <path>%ROMPATH%\sega32x</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\picodrive_libretro.dll %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Mega 32X" %ROM%</command>
         <platform>sega32x</platform>
@@ -1685,7 +1685,7 @@
         <name>sega32xjp</name>
         <fullname>Sega Super 32X</fullname>
         <path>%ROMPATH%\sega32xjp</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\picodrive_libretro.dll %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Mega 32X" %ROM%</command>
         <platform>sega32x</platform>
@@ -1695,7 +1695,7 @@
         <name>sega32xna</name>
         <fullname>Sega Genesis 32X</fullname>
         <path>%ROMPATH%\sega32xna</path>
-        <extension>.32x .32X .68k .68K .bin .BIN .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
+        <extension>.32x .32X .68k .68K .bin .BIN .chd .CHD .cue .CUE .gen .GEN .iso .ISO .md .MD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP</extension>
         <command label="PicoDrive">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\picodrive_libretro.dll %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Mega 32X" %ROM%</command>
         <platform>sega32x</platform>