diff --git a/ArcFormats/elf/ArcVSD.cs b/ArcFormats/elf/ArcVSD.cs
new file mode 100644
index 00000000..21d8d525
--- /dev/null
+++ b/ArcFormats/elf/ArcVSD.cs
@@ -0,0 +1,64 @@
+//! \file       ArcVSD.cs
+//! \date       Mon Nov 30 23:44:53 2015
+//! \brief      Silky's MPG video.
+//
+// Copyright (C) 2015 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Silky
+{
+    [Export(typeof(ArchiveFormat))]
+    public class VsdOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "VSD/AI5WIN"; } }
+        public override string Description { get { return "AI5WIN engine video file"; } }
+        public override uint     Signature { get { return 0x31445356; } } // 'VSD1'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool     CanCreate { get { return false; } }
+
+        public VsdOpener ()
+        {
+            Extensions = new string[] { "vsd" };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            uint skip = file.View.ReadUInt32 (4);
+            if (skip >= file.MaxOffset)
+                return null;
+
+            var dir = new List<Entry> (1);
+            dir.Add (new Entry {
+                Name = Path.GetFileNameWithoutExtension (file.Name)+".mpg",
+                Type = "video",
+                Offset = 8+skip,
+                Size = (uint)(file.MaxOffset-(8+skip)),
+            });
+            return new ArcFile (file, this, dir);
+        }
+    }
+}