diff --git a/.vs/RMDEC/v16/.suo b/.vs/RMDEC/v16/.suo
index a278c71..f43cfe8 100644
Binary files a/.vs/RMDEC/v16/.suo and b/.vs/RMDEC/v16/.suo differ
diff --git a/RMDEC/MVProject.cs b/RMDEC/MVProject.cs
index 19c4075..c70291b 100644
--- a/RMDEC/MVProject.cs
+++ b/RMDEC/MVProject.cs
@@ -131,10 +131,13 @@ namespace RMDEC
 
         private static byte[] guessKey(string path) // Incase you think your smart
         {
+            bool useOgg = false;
             string[] mzPngs = Directory.GetFiles(path, "*._png", SearchOption.AllDirectories);
             string[] mvPngs = Directory.GetFiles(path, "*.rpgmvp", SearchOption.AllDirectories);
             string[] mzM4as = Directory.GetFiles(path, "*._m4a", SearchOption.AllDirectories);
             string[] mvM4as = Directory.GetFiles(path, "*.rpgmvm", SearchOption.AllDirectories);
+            string[] mzOggs = Directory.GetFiles(path, "*._ogg", SearchOption.AllDirectories);
+            string[] mvOggs = Directory.GetFiles(path, "*.rpgmvo", SearchOption.AllDirectories);
 
             List<string> files = new List<string>();
             files.AddRange(mzPngs);
@@ -144,7 +147,23 @@ namespace RMDEC
             files.AddRange(mvM4as);
 
             if (files.Count <= 0)
-                return new byte[0x10];
+            {
+                if(mzOggs.Length > 0 || mvOggs.Length > 0) // still encryted audio?
+                {
+                    files.AddRange(mzOggs);
+                    files.AddRange(mvOggs);
+                    useOgg = true;
+                }
+                else
+                {
+                    return new byte[0x10];
+                }
+            }
+
+            byte[] pngHeader = new byte[0x10] { 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00, 0x00, 0x00, 0x0D, 0x49, 0x48, 0x44, 0x52 };
+            byte[] m4aHeader = new byte[0x10] { 0x00, 0x00, 0x00, 0x20, 0x66, 0x74, 0x79, 0x70, 0x4D, 0x34, 0x41, 0x20, 0x00, 0x00, 0x00, 0x00 };
+            byte[] oggHeader = new byte[0x10] { 0x4F, 0x67, 0x67, 0x53, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF };
+
 
             Random rng = new Random();
             int index = rng.Next(0, files.Count);
@@ -154,12 +173,16 @@ namespace RMDEC
             FileStream fs = File.OpenRead(file);
             fs.Seek(0x10, SeekOrigin.Begin);
             fs.Read(encryptedHeader, 0x00, 0x10);
+            if (useOgg)
+            {
+                fs.Seek(0x58, SeekOrigin.Begin);
+                oggHeader[0x0E] = (byte)fs.ReadByte();
+                oggHeader[0x0F] = (byte)fs.ReadByte();
+            }
             fs.Close();
 
             string filetype = Path.GetExtension(file).ToLower();
-            byte[] pngHeader = new byte[0x10] { 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00, 0x00, 0x00, 0x0D, 0x49, 0x48, 0x44, 0x52 };
-            byte[] m4aHeader = new byte[0x10] { 0x00, 0x00, 0x00, 0x20, 0x66, 0x74, 0x79, 0x70, 0x4D, 0x34, 0x41, 0x20, 0x00, 0x00, 0x00, 0x00 };
-
+            
             if (filetype == "._png" || filetype == ".rpgmvp") {
                 byte[] key = RMProject.Xor(encryptedHeader, pngHeader);
                 if(!tryKey(path, key))
@@ -183,7 +206,18 @@ namespace RMDEC
                     return key;
                 }
             }
-            // OGG Header is not 0x10 bytes unfortunately.
+            else if (filetype == "._ogg" || filetype == ".rpgmvo")
+            {
+                byte[] key = RMProject.Xor(encryptedHeader, oggHeader);
+                if (!tryKey(path, key))
+                {
+                    throw new Exception("Cannot find key (ITS TOO STRONG!)");
+                }
+                else
+                {
+                    return key;
+                }
+            }
 
             throw new Exception("Cannot find key (ITS TOO STRONG!)");
         }