diff --git a/Core/Core.vcxproj b/Core/Core.vcxproj
index 0c1481b1..4c237dad 100644
--- a/Core/Core.vcxproj
+++ b/Core/Core.vcxproj
@@ -476,6 +476,7 @@
     <ClInclude Include="Mapper234.h" />
     <ClInclude Include="Mapper183.h" />
     <ClInclude Include="Mapper253.h" />
+    <ClInclude Include="MMC3_134.h" />
     <ClInclude Include="MMC3_196.h" />
     <ClInclude Include="MMC3_219.h" />
     <ClInclude Include="MMC3_238.h" />
diff --git a/Core/Core.vcxproj.filters b/Core/Core.vcxproj.filters
index 06cfde04..3eeb5c01 100644
--- a/Core/Core.vcxproj.filters
+++ b/Core/Core.vcxproj.filters
@@ -931,6 +931,9 @@
     <ClInclude Include="ShortcutKeyHandler.h">
       <Filter>Misc</Filter>
     </ClInclude>
+    <ClInclude Include="MMC3_134.h">
+      <Filter>Nes\Mappers\MMC</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="stdafx.cpp">
diff --git a/Core/MMC3_134.h b/Core/MMC3_134.h
new file mode 100644
index 00000000..fa5e814e
--- /dev/null
+++ b/Core/MMC3_134.h
@@ -0,0 +1,53 @@
+#pragma once
+
+#include "stdafx.h"
+#include "MMC3.h"
+
+class MMC3_134 : public MMC3
+{
+private:
+	uint8_t _exReg;
+
+	void SelectCHRPage(uint16_t slot, uint16_t page, ChrMemoryType memoryType = ChrMemoryType::Default) override
+	{
+		BaseMapper::SelectCHRPage(slot, (page & 0xFF) | ((_exReg & 0x20) << 3), memoryType);
+	}
+
+	void SelectPRGPage(uint16_t slot, uint16_t page, PrgMemoryType memoryType = PrgMemoryType::PrgRom) override
+	{
+		BaseMapper::SelectPRGPage(slot, (page & 0x1F) | ((_exReg & 0x02) << 4), memoryType);
+	}
+
+	void InitMapper() override 
+	{
+		MMC3::InitMapper();
+
+		AddRegisterRange(0x6001, 0x6001, MemoryOperation::Write);
+	}
+
+	void Reset(bool softReset) override 
+	{
+		BaseMapper::Reset(softReset);
+
+		if(softReset) {
+			_exReg = 0;
+			MMC3::UpdateState();
+		}
+	}
+	
+	void StreamState(bool saving) override
+	{
+		MMC3::StreamState(saving);
+		Stream(_exReg);
+	}
+
+	void WriteRegister(uint16_t addr, uint8_t value) override
+	{
+		if(addr == 0x6001) {
+			_exReg = value;
+			MMC3::UpdateState();
+		} else {
+			MMC3::WriteRegister(addr, value);
+		}
+	}
+};
\ No newline at end of file
diff --git a/Core/MapperFactory.cpp b/Core/MapperFactory.cpp
index a138832c..1ef28c28 100644
--- a/Core/MapperFactory.cpp
+++ b/Core/MapperFactory.cpp
@@ -101,6 +101,7 @@
 #include "MMC3_114.h"
 #include "MMC3_115.h"
 #include "MMC3_121.h"
+#include "MMC3_134.h"
 #include "MMC3_165.h"
 #include "MMC3_182.h"
 #include "MMC3_187.h"
@@ -192,7 +193,7 @@ Supported mappers:
 | 80|===| 82|   |===| 85| 86| 87| 88| 89| 90| 91| 92| 93| 94| 95|
 | 96| 97|===| 99|...|101|===|103|   |105|106|107|108|===|===|===|
 |112|113|114|115|   |117|118|119|120|121|===|   |===|   |   |===|
-|===|===|===|===|132|133|   |===|136|137|138|139|140|141|142|143|
+|===|===|===|===|132|133|134|===|136|137|138|139|140|141|142|143|
 |144|145|146|147|148|149|150|151|152|153|154|155|156|157|   |159|
 |---|===|162|163|164|165|166|167|168|===|170|171|172|173|===|175|
 |176|177|178|179|180|---|182|183|184|185|186|187|188|189|===|191|
@@ -325,6 +326,7 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
 		case 121: return new MMC3_121();
 		case 132: return new Txc22211A();
 		case 133: return new Sachen_133();
+		case 134: return new MMC3_134();
 		case 136: return new Sachen_136();
 		case 137: return new Sachen8259(Sachen8259Variant::Sachen8259D);
 		case 138: return new Sachen8259(Sachen8259Variant::Sachen8259B);