diff --git a/es-app/assets/Windows_Portable_README.txt b/es-app/assets/Windows_Portable_README.txt
index 5783704a9..3331e1231 100644
--- a/es-app/assets/Windows_Portable_README.txt
+++ b/es-app/assets/Windows_Portable_README.txt
@@ -41,6 +41,7 @@ Preconfigured emulator locations:
 
 Emulators\RetroArch-Win64\retroarch.exe
 Emulators\RetroArch\retroarch.exe
+Emulators\3dSen\3dSen.exe
 Emulators\AppleWin\AppleWin.exe
 Emulators\ArcadeFlashWeb\ArcadeFlashWeb.exe
 Emulators\ares\ares.exe
diff --git a/resources/systems/unix/es_find_rules.xml b/resources/systems/unix/es_find_rules.xml
index 26e6ee4e6..5b152531f 100644
--- a/resources/systems/unix/es_find_rules.xml
+++ b/resources/systems/unix/es_find_rules.xml
@@ -47,6 +47,15 @@
             <entry>/usr/pkg/lib/libretro</entry>
         </rule>
     </core>
+    <emulator name="3DSEN-WINE">
+        <!-- Nintendo NES and Famicom emulator 3dSen -->
+        <rule type="staticpath">
+            <entry>~/Applications/3dSen/wine*.AppImage</entry>
+            <entry>~/.local/share/applications/3dSen/wine*.AppImage</entry>
+            <entry>~/.local/bin/3dSen/wine*.AppImage</entry>
+            <entry>~/bin/3dSen/wine*.AppImage</entry>
+        </rule>
+    </emulator>
     <emulator name="ARES">
         <!-- Multi-system emulator ares -->
         <rule type="systempath">
diff --git a/resources/systems/unix/es_systems.xml b/resources/systems/unix/es_systems.xml
index 3af385315..4c36d5955 100644
--- a/resources/systems/unix/es_systems.xml
+++ b/resources/systems/unix/es_systems.xml
@@ -530,7 +530,7 @@
         <name>famicom</name>
         <fullname>Nintendo Family Computer</fullname>
         <path>%ROMPATH%/famicom</path>
-        <extension>.fds .FDS .nes .NES .unf .UNF .unif .UNIF .7z .7Z .zip .ZIP</extension>
+        <extension>.3dsen .3DSEN .fds .FDS .nes .NES .unf .UNF .unif .UNIF .7z .7Z .zip .ZIP</extension>
         <command label="Mesen">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mesen_libretro.so %ROM%</command>
         <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Nestopia UE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/nestopia_libretro.so %ROM%</command>
@@ -541,6 +541,7 @@
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module nes %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Famicom" %ROM%</command>
         <command label="ares FDS (Standalone)">%EMULATOR_ARES% --fullscreen --system "Famicom Disk System" %ROM%</command>
+        <command label="3dSen (Wine)">%STARTDIR%=%EMUDIR% %EMULATOR_3DSEN-WINE% 3dSen.exe -id=%INJECT%=%BASENAME%.3dsen</command>
         <platform>famicom</platform>
         <theme>famicom</theme>
     </system>
@@ -1172,7 +1173,7 @@
         <name>nes</name>
         <fullname>Nintendo Entertainment System</fullname>
         <path>%ROMPATH%/nes</path>
-        <extension>.fds .FDS .nes .NES .unf .UNF .unif .UNIF .7z .7Z .zip .ZIP</extension>
+        <extension>.3dsen .3DSEN .fds .FDS .nes .NES .unf .UNF .unif .UNIF .7z .7Z .zip .ZIP</extension>
         <command label="Mesen">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mesen_libretro.so %ROM%</command>
         <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Nestopia UE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/nestopia_libretro.so %ROM%</command>
@@ -1183,6 +1184,7 @@
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module nes %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Famicom" %ROM%</command>
         <command label="ares FDS (Standalone)">%EMULATOR_ARES% --fullscreen --system "Famicom Disk System" %ROM%</command>
+        <command label="3dSen (Wine)">%STARTDIR%=%EMUDIR% %EMULATOR_3DSEN-WINE% 3dSen.exe -id=%INJECT%=%BASENAME%.3dsen</command>
         <platform>nes</platform>
         <theme>nes</theme>
     </system>
diff --git a/resources/systems/windows/es_find_rules.xml b/resources/systems/windows/es_find_rules.xml
index 4fc446959..f12220a32 100644
--- a/resources/systems/windows/es_find_rules.xml
+++ b/resources/systems/windows/es_find_rules.xml
@@ -42,6 +42,16 @@
             <entry>%EMUPATH%\cores</entry>
         </rule>
     </core>
+    <emulator name="3DSEN">
+        <!-- Nintendo NES and Famicom emulator 3dSen -->
+        <rule type="systempath">
+            <entry>3dSen.exe</entry>
+        </rule>
+        <rule type="staticpath">
+            <entry>%ESPATH%\Emulators\3dSen\3dSen.exe</entry>
+            <entry>%ESPATH%\..\Emulators\3dSen\3dSen.exe</entry>
+        </rule>
+    </emulator>
     <emulator name="APPLEWIN">
         <!-- Apple II emulator AppleWin -->
         <rule type="systempath">
diff --git a/resources/systems/windows/es_find_rules_portable.xml b/resources/systems/windows/es_find_rules_portable.xml
index 3aae7c527..a79d86b7b 100644
--- a/resources/systems/windows/es_find_rules_portable.xml
+++ b/resources/systems/windows/es_find_rules_portable.xml
@@ -21,6 +21,13 @@
             <entry>%EMUPATH%\cores</entry>
         </rule>
     </core>
+    <emulator name="3DSEN">
+        <!-- Nintendo NES and Famicom emulator 3dSen -->
+        <rule type="staticpath">
+            <entry>%ESPATH%\Emulators\3dSen\3dSen.exe</entry>
+            <entry>%ESPATH%\..\Emulators\3dSen\3dSen.exe</entry>
+        </rule>
+    </emulator>
     <emulator name="APPLEWIN">
         <!-- Apple II emulator AppleWin -->
         <rule type="staticpath">
diff --git a/resources/systems/windows/es_systems.xml b/resources/systems/windows/es_systems.xml
index df8f9a315..75e93f687 100644
--- a/resources/systems/windows/es_systems.xml
+++ b/resources/systems/windows/es_systems.xml
@@ -528,7 +528,7 @@
         <name>famicom</name>
         <fullname>Nintendo Family Computer</fullname>
         <path>%ROMPATH%\famicom</path>
-        <extension>.fds .FDS .nes .NES .unf .UNF .unif .UNIF .7z .7Z .zip .ZIP</extension>
+        <extension>.3dsen .3DSEN .fds .FDS .nes .NES .unf .UNF .unif .UNIF .7z .7Z .zip .ZIP</extension>
         <command label="Mesen">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mesen_libretro.dll %ROM%</command>
         <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Nestopia UE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\nestopia_libretro.dll %ROM%</command>
@@ -538,6 +538,7 @@
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module nes %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Famicom" %ROM%</command>
         <command label="ares FDS (Standalone)">%EMULATOR_ARES% --fullscreen --system "Famicom Disk System" %ROM%</command>
+        <command label="3dSen (Standalone)">%EMULATOR_3DSEN% -id=%INJECT%=%BASENAME%.3dsen</command>
         <platform>famicom</platform>
         <theme>famicom</theme>
     </system>
@@ -1168,7 +1169,7 @@
         <name>nes</name>
         <fullname>Nintendo Entertainment System</fullname>
         <path>%ROMPATH%\nes</path>
-        <extension>.fds .FDS .nes .NES .unf .UNF .unif .UNIF .7z .7Z .zip .ZIP</extension>
+        <extension>.3dsen .3DSEN .fds .FDS .nes .NES .unf .UNF .unif .UNIF .7z .7Z .zip .ZIP</extension>
         <command label="Mesen">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mesen_libretro.dll %ROM%</command>
         <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Nestopia UE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\nestopia_libretro.dll %ROM%</command>
@@ -1178,6 +1179,7 @@
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module nes %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Famicom" %ROM%</command>
         <command label="ares FDS (Standalone)">%EMULATOR_ARES% --fullscreen --system "Famicom Disk System" %ROM%</command>
+        <command label="3dSen (Standalone)">%EMULATOR_3DSEN% -id=%INJECT%=%BASENAME%.3dsen</command>
         <platform>nes</platform>
         <theme>nes</theme>
     </system>