diff --git a/CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/SinisterGames/GUT/GUTDataFormat.cs b/CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/SinisterGames/GUT/GUTDataFormat.cs
new file mode 100644
index 00000000..7320efb6
--- /dev/null
+++ b/CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/SinisterGames/GUT/GUTDataFormat.cs
@@ -0,0 +1,141 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using UniversalEditor.Accessors;
+using UniversalEditor.IO;
+using UniversalEditor.ObjectModels.FileSystem;
+
+namespace UniversalEditor.DataFormats.FileSystem.SinisterGames.GUT
+{
+	public class GUTDataFormat : DataFormat
+	{
+		private static DataFormatReference _dfr = null;
+		public override DataFormatReference MakeReference()
+		{
+			if (_dfr == null)
+			{
+				_dfr = base.MakeReference();
+				_dfr.Capabilities.Add(typeof(FileSystemObjectModel), DataFormatCapabilities.All);
+				_dfr.ExportOptions.Add(new CustomOptionText("GameTitle", "Game &title: ", "Shadow Company: Left for Dead"));
+				_dfr.ExportOptions.Add(new CustomOptionText("GameCopyright", "Game &copyright: ", "Copyright 1998 by Sinister Games Inc."));
+				_dfr.Filters.Add("Sinister Games GUT archive", new string[] { "*.gut" });
+			}
+			return _dfr;
+		}
+
+		private string mvarGameTitle = "Shadow Company: Left for Dead";
+		public string GameTitle { get { return mvarGameTitle; } set { mvarGameTitle = value; } }
+
+		private string mvarGameCopyright = "Copyright 1998 by Sinister Games Inc.";
+		public string GameCopyright { get { return mvarGameCopyright; } set { mvarGameCopyright = value; } }
+
+		private DateTime mvarCreationTimestamp = DateTime.Now;
+		public DateTime CreationTimestamp { get { return mvarCreationTimestamp; } set { mvarCreationTimestamp = value; } }
+
+		protected override void LoadInternal(ref ObjectModel objectModel)
+		{
+			FileSystemObjectModel fsom = (objectModel as FileSystemObjectModel);
+			if (fsom == null) throw new ObjectModelNotSupportedException();
+
+			Reader reader = base.Accessor.Reader;
+			string signature = reader.ReadLine();
+			if (signature != "*************************************************************") throw new InvalidDataFormatException();
+
+			signature = reader.ReadLine();
+			if (!signature.StartsWith("** ")) throw new InvalidDataFormatException();
+
+			mvarGameTitle = signature.Substring(3);
+
+			signature = reader.ReadLine();
+			if (!signature.StartsWith("**")) throw new InvalidDataFormatException();
+
+			signature = reader.ReadLine();
+			if (!signature.StartsWith("**")) throw new InvalidDataFormatException();
+
+			signature = reader.ReadLine();
+			if (!signature.StartsWith("** ")) throw new InvalidDataFormatException();
+			mvarGameCopyright = signature.Substring(3);
+
+			signature = reader.ReadLine();
+			if (!signature.StartsWith("**")) throw new InvalidDataFormatException();
+
+			signature = reader.ReadLine();
+			if (!signature.StartsWith("**")) throw new InvalidDataFormatException();
+			
+			signature = reader.ReadLine();
+			if (!signature.StartsWith("**")) throw new InvalidDataFormatException();
+
+			signature = reader.ReadLine();
+			if (signature != "*************************************************************") throw new InvalidDataFormatException();
+
+			ulong unknown1 = reader.ReadUInt64();
+			uint unknown2 = reader.ReadUInt32();
+
+			string archiveFileName = reader.ReadFixedLengthString(32).TrimNull();
+
+			uint offsetOffset = (uint)reader.Accessor.Position;
+
+			// for each file
+			uint fileNameLength = reader.ReadUInt32();
+			uint fileSize = reader.ReadUInt32();
+			uint offset = reader.ReadUInt32() + offsetOffset; // [+ headerSize]
+			uint unknown3 = reader.ReadUInt32();
+			uint unknown4 = reader.ReadUInt32();
+			string fileName = reader.ReadFixedLengthString(fileNameLength);
+
+			// TODO: Figure out how to decrypt fileName, as well as how to calculate
+			// how many files are in the archive
+		}
+
+		protected override void SaveInternal(ObjectModel objectModel)
+		{
+			FileSystemObjectModel fsom = (objectModel as FileSystemObjectModel);
+			if (fsom == null) throw new ObjectModelNotSupportedException();
+
+			Writer writer = base.Accessor.Writer;
+
+			string archiveFileName = String.Empty;
+			if (base.Accessor is FileAccessor)
+			{
+				archiveFileName = System.IO.Path.GetFileName((base.Accessor as FileAccessor).FileName);
+			}
+			StringBuilder sb = new StringBuilder();
+			sb.AppendLine("*************************************************************");
+			sb.AppendLine("** " + mvarGameTitle);
+			sb.AppendLine("**");
+			sb.AppendLine("** [" + archiveFileName + "] : GUT resource file");
+			sb.AppendLine("** " + mvarGameCopyright);
+			sb.AppendLine("**");
+			sb.AppendLine("** [gut_tool.exe] Build date: 17:58:56, Aug 24 1999");
+			sb.AppendLine("** [" + archiveFileName + "] Created: " + mvarCreationTimestamp.Hour.ToString().PadLeft(2, '0') + ":" + mvarCreationTimestamp.Minute.ToString().PadLeft(2, '0') + ":" + mvarCreationTimestamp.Second.ToString().PadLeft(2, '0') + ", " + mvarCreationTimestamp.Month.ToString() + "/" + mvarCreationTimestamp.Day.ToString().PadLeft(2, '0') + "/" + mvarCreationTimestamp.Year.ToString().PadLeft(4, '0'));
+			sb.AppendLine("*************************************************************");
+
+			writer.WriteFixedLengthString(sb.ToString());
+
+			writer.WriteUInt64(0);
+			writer.WriteUInt32(0);
+			writer.WriteFixedLengthString(archiveFileName, 32);
+
+			uint offset = 0;
+
+			File[] files = fsom.GetAllFiles();
+			foreach (File file in files)
+			{
+				writer.WriteUInt32((uint)file.Name.Length);
+				writer.WriteUInt32((uint)file.Size);
+				writer.WriteUInt32(offset);
+				writer.WriteUInt32(0);
+				writer.WriteUInt32(0);
+
+				string fileName = file.Name;
+				// TODO: figure out encryption for filename
+				writer.WriteFixedLengthString(fileName, (uint)fileName.Length);
+			}
+			foreach (File file in files)
+			{
+				writer.WriteBytes(file.GetDataAsByteArray());
+			}
+		}
+	}
+}