diff --git a/BurnOutSharp.Builders/Quantum.cs b/BurnOutSharp.Builders/Quantum.cs
index e0b2c196..473f94dc 100644
--- a/BurnOutSharp.Builders/Quantum.cs
+++ b/BurnOutSharp.Builders/Quantum.cs
@@ -152,7 +152,7 @@ namespace BurnOutSharp.Builders
 
             // Hack for unknown format data
             if (minorVersion == 22)
-                _ = data.ReadUInt16();
+                fileDescriptor.Unknown = data.ReadUInt16();
 
             return fileDescriptor;
         }
diff --git a/BurnOutSharp.Models/Quantum/FileDescriptor.cs b/BurnOutSharp.Models/Quantum/FileDescriptor.cs
index 7b4a79a8..449c974c 100644
--- a/BurnOutSharp.Models/Quantum/FileDescriptor.cs
+++ b/BurnOutSharp.Models/Quantum/FileDescriptor.cs
@@ -40,5 +40,11 @@ namespace BurnOutSharp.Models.Quantum
         /// File date (DOS format) 
         /// </summary>
         public ushort FileDate;
+
+        /// <summary>
+        /// Unknown data, Checksum?
+        /// </summary>
+        /// <remarks>Minor version 22</remarks>
+        public ushort? Unknown;
     }
 }
\ No newline at end of file
diff --git a/BurnOutSharp.Wrappers/Quantum.cs b/BurnOutSharp.Wrappers/Quantum.cs
index 1899544c..de19580f 100644
--- a/BurnOutSharp.Wrappers/Quantum.cs
+++ b/BurnOutSharp.Wrappers/Quantum.cs
@@ -207,6 +207,8 @@ namespace BurnOutSharp.Wrappers
                     Console.WriteLine($"    Expanded file size = {fileDescriptor.ExpandedFileSize}");
                     Console.WriteLine($"    File time = {fileDescriptor.FileTime}");
                     Console.WriteLine($"    File date = {fileDescriptor.FileDate}");
+                    if (fileDescriptor.Unknown != null)
+                        Console.WriteLine($"    Unknown (Checksum?) = {fileDescriptor.Unknown}");
                 }
             }
             Console.WriteLine();
diff --git a/BurnOutSharp/Tools/Utilities.cs b/BurnOutSharp/Tools/Utilities.cs
index f288b39a..e3e8cf12 100644
--- a/BurnOutSharp/Tools/Utilities.cs
+++ b/BurnOutSharp/Tools/Utilities.cs
@@ -666,7 +666,7 @@ namespace BurnOutSharp.Tools
                 case SupportedFileType.PAK: return new FileType.PAK();
                 case SupportedFileType.PKZIP: return new FileType.PKZIP();
                 case SupportedFileType.PLJ: return new FileType.PLJ();
-                case SupportedFileType.Quantum: return null; // TODO: Update this line
+                //case SupportedFileType.Quantum: return new FileType.Quantum();
                 case SupportedFileType.RAR: return new FileType.RAR();
                 case SupportedFileType.SevenZip: return new FileType.SevenZip();
                 case SupportedFileType.SFFS: return new FileType.SFFS();