diff --git a/USERGUIDE.md b/USERGUIDE.md
index c0bae58f5..7af4653cd 100644
--- a/USERGUIDE.md
+++ b/USERGUIDE.md
@@ -1416,6 +1416,7 @@ Consider the table below a work in progress as it's obvioulsy not fully populate
| Game system name | Full name | Default emulator | Recommended game setup |
| :-------------------- | :--------------------------------------------- | :-------------------------------- | :----------------------------------- |
| 3do | 3DO | | |
+| 64dd | Nintendo 64DD | RetroArch (Mupen64Plus-Next on Unix & macOS, ParaLLEl N64 on Windows) | |
| ags | Adventure Game Studio | | |
| amiga | Commodore Amiga | RetroArch (P-UAE)* | WHDLoad hard disk image in .hdf or .hdz format in root folder, or diskette image in .adf format in root folder if single-disk, or in separate folder with .m3u playlist if multi-disk |
| amiga600 | Commodore Amiga 600 | RetroArch (P-UAE)* | WHDLoad hard disk image in .hdf or .hdz format in root folder, or diskette image in .adf format in root folder if single-disk, or in separate folder with .m3u playlist if multi-disk |
diff --git a/resources/templates/es_systems.cfg_macos b/resources/templates/es_systems.cfg_macos
index 381c0abff..899ab20c9 100644
--- a/resources/templates/es_systems.cfg_macos
+++ b/resources/templates/es_systems.cfg_macos
@@ -10,6 +10,15 @@
3do
3do
+
+ 64dd
+ Nintendo 64DD
+ %ROMPATH%/64dd
+ .n64 .N64 .v64 .V64 .z64 .Z64 .bin .BIN .u1 .U1 .7z .7Z .zip .ZIP
+ /Applications/RetroArch.app/Contents/MacOS/RetroArch -L %EMUPATH%/../Resources/cores/mupen64plus_next_libretro.dylib %ROM%
+ n64
+ 64dd
+
ags
Adventure Game Studio
diff --git a/resources/templates/es_systems.cfg_unix b/resources/templates/es_systems.cfg_unix
index 0887b27cc..acfa8ae93 100644
--- a/resources/templates/es_systems.cfg_unix
+++ b/resources/templates/es_systems.cfg_unix
@@ -10,6 +10,15 @@
3do
3do
+
+ 64dd
+ Nintendo 64DD
+ %ROMPATH%/64dd
+ .n64 .N64 .v64 .V64 .z64 .Z64 .bin .BIN .u1 .U1 .7z .7Z .zip .ZIP
+ retroarch -L %COREPATH%/mupen64plus_next_libretro.so %ROM%
+ n64
+ 64dd
+
ags
Adventure Game Studio
diff --git a/resources/templates/es_systems.cfg_unix_flatpak b/resources/templates/es_systems.cfg_unix_flatpak
index d2c5a0e58..0ac8d2cca 100644
--- a/resources/templates/es_systems.cfg_unix_flatpak
+++ b/resources/templates/es_systems.cfg_unix_flatpak
@@ -10,6 +10,15 @@
3do
3do
+
+ 64dd
+ Nintendo 64DD
+ %ROMPATH%/64dd
+ .n64 .N64 .v64 .V64 .z64 .Z64 .bin .BIN .u1 .U1 .7z .7Z .zip .ZIP
+ flatpak run org.libretro.RetroArch -L %COREPATH%/mupen64plus_next_libretro.so %ROM%
+ n64
+ 64dd
+
ags
Adventure Game Studio
diff --git a/resources/templates/es_systems.cfg_windows b/resources/templates/es_systems.cfg_windows
index 83c646336..99fc99308 100644
--- a/resources/templates/es_systems.cfg_windows
+++ b/resources/templates/es_systems.cfg_windows
@@ -10,6 +10,15 @@
3do
3do
+
+ 64dd
+ Nintendo 64DD
+ %ROMPATH%/64dd
+ .n64 .N64 .v64 .V64 .z64 .Z64 .bin .BIN .u1 .U1 .7z .7Z .zip .ZIP
+ retroarch.exe -L %EMUPATH%\cores\parallel_n64_libretro.dll %ROM%
+ n64
+ 64dd
+
ags
Adventure Game Studio
diff --git a/themes/rbsimple-DE/64dd/colors.xml b/themes/rbsimple-DE/64dd/colors.xml
new file mode 100644
index 000000000..abc5ff5b9
--- /dev/null
+++ b/themes/rbsimple-DE/64dd/colors.xml
@@ -0,0 +1,18 @@
+
+ 6
+
+
+
+ DCAF36
+
+
+ 268340
+
+
+ 20317F
+
+
+ B73E3A
+
+
+
diff --git a/themes/rbsimple-DE/64dd/images/console.svg b/themes/rbsimple-DE/64dd/images/console.svg
new file mode 100644
index 000000000..00e4dd9d8
--- /dev/null
+++ b/themes/rbsimple-DE/64dd/images/console.svg
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/themes/rbsimple-DE/64dd/images/consolegame.svg b/themes/rbsimple-DE/64dd/images/consolegame.svg
new file mode 100644
index 000000000..bc8e064c6
--- /dev/null
+++ b/themes/rbsimple-DE/64dd/images/consolegame.svg
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/themes/rbsimple-DE/64dd/images/controller.svg b/themes/rbsimple-DE/64dd/images/controller.svg
new file mode 100644
index 000000000..ca1058f7a
--- /dev/null
+++ b/themes/rbsimple-DE/64dd/images/controller.svg
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/themes/rbsimple-DE/64dd/images/game.svg b/themes/rbsimple-DE/64dd/images/game.svg
new file mode 100644
index 000000000..697e329e9
--- /dev/null
+++ b/themes/rbsimple-DE/64dd/images/game.svg
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/themes/rbsimple-DE/64dd/images/logo.svg b/themes/rbsimple-DE/64dd/images/logo.svg
new file mode 100644
index 000000000..97c15d9f4
--- /dev/null
+++ b/themes/rbsimple-DE/64dd/images/logo.svg
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/themes/rbsimple-DE/64dd/systeminfo.xml b/themes/rbsimple-DE/64dd/systeminfo.xml
new file mode 100644
index 000000000..e0c4fe94c
--- /dev/null
+++ b/themes/rbsimple-DE/64dd/systeminfo.xml
@@ -0,0 +1,33 @@
+
+ 6
+
+
+
+ Manufacturer : Nintendo
+
+
+ Year of Release : 1999
+
+
+ Units sold : 15.000
+
+
+ CPU : 64-bit NEC VR4300 @ 93.75 MHz
+
+
+ Co-CPU : 64-bit MIPS RISC "Reality Immersion" RCP @ 62.5 MHz
+
+
+ 64DD-CPU : 32-bit co-processor for reading/transferring disk data
+
+
+ RAM : 4 MB RAMBUS RDRAM (expandable up to 8 MB)
+
+
+ Sound : Stereo 16-Bit and 48 kHz
+
+
+ Sound : Stereo 16Bit 48 kHz
+
+
+
diff --git a/themes/rbsimple-DE/64dd/theme.xml b/themes/rbsimple-DE/64dd/theme.xml
new file mode 100644
index 000000000..f097080c3
--- /dev/null
+++ b/themes/rbsimple-DE/64dd/theme.xml
@@ -0,0 +1,40 @@
+
+ 6
+ ./../theme.xml
+ ./colors.xml
+ ./systeminfo.xml
+
+
+
+ ./images/controller.svg
+
+
+
+
+
+ 262626
+ 262626
+
+
+
+
+
+ ./images/logo.svg
+
+
+ ./images/consolegame.svg
+
+
+
+
+
+ ./images/console.svg
+
+
+
+
+
+ ./images/logo.svg
+
+
+