diff --git a/CSharp/Plugins/UniversalEditor.Plugins.Microsoft/DataFormats/FileSystem/Microsoft/RKV/RKVDataFormat.cs b/CSharp/Plugins/UniversalEditor.Plugins.Microsoft/DataFormats/FileSystem/Microsoft/RKV/RKVDataFormat.cs
new file mode 100644
index 00000000..933a092c
--- /dev/null
+++ b/CSharp/Plugins/UniversalEditor.Plugins.Microsoft/DataFormats/FileSystem/Microsoft/RKV/RKVDataFormat.cs
@@ -0,0 +1,107 @@
+//
+//  RKVDataFormat.cs
+//
+//  Author:
+//       Mike Becker <alcexhim@gmail.com>
+//
+//  Copyright (c) 2019 Mike Becker
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+using System;
+using UniversalEditor.IO;
+using UniversalEditor.ObjectModels.FileSystem;
+
+namespace UniversalEditor.DataFormats.FileSystem.Microsoft.RKV
+{
+	/// <summary>
+	/// RKV archives (Microsoft XNA)
+	/// Blade Kitten, Game Room, Star Wars: The Clone Wars - Repulic Heroes and others
+	/// </summary>
+	public class RKVDataFormat : DataFormat
+	{
+		private static DataFormatReference _dfr = null;
+		protected override DataFormatReference MakeReferenceInternal()
+		{
+			if (_dfr == null)
+			{
+				_dfr = base.MakeReferenceInternal();
+				_dfr.Title = "Microsoft XNA RKV archive";
+				_dfr.Capabilities.Add(typeof(FileSystemObjectModel), DataFormatCapabilities.All);
+			}
+			return _dfr;
+		}
+
+		protected override void LoadInternal(ref ObjectModel objectModel)
+		{
+			FileSystemObjectModel fsom = (objectModel as FileSystemObjectModel);
+			if (fsom == null) throw new ObjectModelNotSupportedException();
+
+			Reader br = base.Accessor.Reader;
+			br.Endianness = Endianness.BigEndian;
+
+			/*
+				compression type: lzf (type 2)
+			 */
+
+			string NAME = br.ReadFixedLengthString(0x40);
+			long info_off = br.ReadInt64();
+			long files = br.ReadInt64();
+
+			base.Accessor.Seek(info_off, SeekOrigin.Begin);
+
+			for (long i = 0; i < files; i++)
+			{
+				string fileName = br.ReadFixedLengthString(0x40);
+				long timestamp = br.ReadInt64();
+				long offset = br.ReadInt64();
+				int crc = br.ReadInt32();
+				int size = br.ReadInt32();
+				int zsize = br.ReadInt32();
+				int zero = br.ReadInt32();
+
+				if (size == zsize)
+				{
+					// log NAME OFFSET SIZE
+				}
+				else
+				{
+					long pos = Accessor.Position;
+					Accessor.Seek(offset, SeekOrigin.Begin);
+					byte type = br.ReadByte();
+					switch (type)
+					{
+					case 2:
+						break;
+					default:
+						Console.WriteLine("RKV: unknown compression method " + type.ToString());
+						break;
+					}
+					Accessor.Seek(pos, SeekOrigin.Begin);
+
+					offset++; // first byte is 0x02
+					zsize--;
+
+					// clog NAME OFFSET ZSIZE SIZE
+				}
+
+				fsom.Files.Add(fileName, new byte[size]);
+			}
+		}
+
+		protected override void SaveInternal(ObjectModel objectModel)
+		{
+			throw new NotImplementedException();
+		}
+	}
+}
diff --git a/CSharp/Plugins/UniversalEditor.Plugins.Microsoft/UniversalEditor.Plugins.Microsoft.csproj b/CSharp/Plugins/UniversalEditor.Plugins.Microsoft/UniversalEditor.Plugins.Microsoft.csproj
index eaa9e0e4..8cc69b46 100644
--- a/CSharp/Plugins/UniversalEditor.Plugins.Microsoft/UniversalEditor.Plugins.Microsoft.csproj
+++ b/CSharp/Plugins/UniversalEditor.Plugins.Microsoft/UniversalEditor.Plugins.Microsoft.csproj
@@ -138,6 +138,7 @@
     <Compile Include="DataFormats\FileSystem\Microsoft\VirtualHardDisk\VHDHardDiskGeometry.cs" />
     <Compile Include="DataFormats\FileSystem\Microsoft\VirtualHardDisk\VHDHardDiskParentLocatorEntry.cs" />
     <Compile Include="DataFormats\FileSystem\Microsoft\VirtualHardDisk\VHDHardDiskType.cs" />
+    <Compile Include="DataFormats\FileSystem\Microsoft\RKV\RKVDataFormat.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\Libraries\UniversalEditor.Compression\UniversalEditor.Compression.csproj">
@@ -184,5 +185,6 @@
     <Folder Include="ObjectModels\Text\Formatted\XPS\FixedPage\" />
     <Folder Include="DataFormats\Text\Formatted\DOC\" />
     <Folder Include="DataFormats\FileSystem\Microsoft\VirtualHardDisk\" />
+    <Folder Include="DataFormats\FileSystem\Microsoft\RKV\" />
   </ItemGroup>
 </Project>
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