diff --git a/BurnOutSharp/FileType/Textfile.cs b/BurnOutSharp/FileType/Textfile.cs
index 56457fde..6b596fa2 100644
--- a/BurnOutSharp/FileType/Textfile.cs
+++ b/BurnOutSharp/FileType/Textfile.cs
@@ -47,6 +47,10 @@ namespace BurnOutSharp.FileType
             if (magic.StartsWith(new byte?[] { 0x3F, 0x5F, 0x03, 0x00 }))
                 return true;
 
+            // "Description in Zip"
+            if (string.Equals(extension?.TrimStart('.'), "diz", StringComparison.OrdinalIgnoreCase))
+                return true;
+
             // Setup information
             if (string.Equals(extension?.TrimStart('.'), "inf", StringComparison.OrdinalIgnoreCase))
                 return true;
@@ -104,6 +108,19 @@ namespace BurnOutSharp.FileType
                 else if (fileContent.Contains("serial number is located"))
                     Utilities.AppendToDictionary(protections, file, "CD-Key / Serial");
 
+                // Freelock
+                // Found in "FILE_ID.DIZ" distributed with Freelock.
+                if (fileContent.Contains("FREELOCK 1.0"))
+                    Utilities.AppendToDictionary(protections, file, "Freelock 1.0");
+                else if (fileContent.Contains("FREELOCK 1.2"))
+                    Utilities.AppendToDictionary(protections, file, "Freelock 1.2");
+                else if (fileContent.Contains("FREELOCK 1.2a"))
+                    Utilities.AppendToDictionary(protections, file, "Freelock 1.2a");
+                else if (fileContent.Contains("FREELOCK 1.3"))
+                    Utilities.AppendToDictionary(protections, file, "Freelock 1.3");
+                else if (fileContent.Contains("FREELOCK"))
+                    Utilities.AppendToDictionary(protections, file, "Freelock");
+
                 // MediaCloQ
                 if (fileContent.Contains("SunnComm MediaCloQ"))
                     Utilities.AppendToDictionary(protections, file, "MediaCloQ");
diff --git a/BurnOutSharp/ProtectionType/FreeLock.cs b/BurnOutSharp/ProtectionType/FreeLock.cs
index d7e1ec82..5c83f459 100644
--- a/BurnOutSharp/ProtectionType/FreeLock.cs
+++ b/BurnOutSharp/ProtectionType/FreeLock.cs
@@ -5,14 +5,55 @@ using BurnOutSharp.Matching;
 
 namespace BurnOutSharp.ProtectionType
 {
-    public class FreeLock : IPathCheck
+    /// <summary>
+    /// Freelock is software intended to allow users to burn a copy protected PSX CD-R.
+    /// It accomplishes this by adding additional dummy tracks to an image before burning, and then attempting to use a corrupted file to burn to these tracks, causing the write process to fail at the end.
+    /// Freelock versions 1.0-1.2a were intended solely to be copied to a floppy disk and then used, as the main executable itself was intentionally corrupted in these versions.
+    /// Freelock version 1.3 intentionally corrupts a different file, allowing you to run the program without a floppy disk.
+    /// 
+    /// Official websites:
+    /// https://web.archive.org/web/20010801181527/http://www.geocities.com/freelock_psx/
+    /// https://web.archive.org/web/19991001075001/http://www.geocities.com/SiliconValley/Code/6061/
+    /// 
+    /// Versions:
+    /// Freelock 1.0: https://web.archive.org/web/20040615215309/http://www.geocities.com/SiliconValley/Code/6061/programs/flock10.zip
+    /// Freelock 1.2: https://web.archive.org/web/20091027114741/http://geocities.com/siliconvalley/code/6061/programs/flock12.zip
+    /// Freelock 1.2a: https://web.archive.org/web/20040613085437/http://www.geocities.com/SiliconValley/Code/6061/programs/Flock12a.zip
+    /// Freelock 1.3: https://web.archive.org/web/20040606222542/http://www.geocities.com/SiliconValley/Code/6061/programs/flock13.zip
+    /// </summary>
+    public class Freelock : IPathCheck
     {
+        // TODO: Add an MS-DOS executable check for "FREELOCK.EXE".
+
         /// <inheritdoc/>
         public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)
         {
             var matchers = new List<PathMatchSet>
             {
-                new PathMatchSet(new PathMatch("FREELOCK.IMG", useEndsWith: true), "FreeLock (Unconfirmed - Please report to us on Github)"),
+                // The disk image that every version of Freelock is distributed through.
+                new PathMatchSet(new PathMatch("FREELOCK.IMG", useEndsWith: true), "Freelock Disk Image"),
+
+                // Found in every "FREELOCK.IMG".
+                new PathMatchSet(new PathMatch("FREELOCK.EXE", useEndsWith: true), "Freelock"),
+                new PathMatchSet(new PathMatch("FREELOCK.TXT", useEndsWith: true), "Freelock"),
+
+                // Found in "FREELOCK.IMG" from Freelock 1.0-1.2.
+                new PathMatchSet(new PathMatch("FREELOCK", useEndsWith: true), "Freelock 1.0-1.2"),
+
+                // Found in "FREELOCK.IMG" from Freelock 1.2+.
+                new PathMatchSet(new PathMatch("GENLOCK.EXE", useEndsWith: true), "Freelock 1.2-1.3"),
+                new PathMatchSet(new PathMatch("freelock.ico", useEndsWith: true), "Freelock 1.2-1.3"),
+                new PathMatchSet(new PathMatch("freelock.pif", useEndsWith: true), "Freelock 1.2-1.3"),
+
+                // Found in "FREELOCK.IMG" From Freelock 1.3.
+                new PathMatchSet(new PathMatch("FREELOCK.13", useEndsWith: true), "Freelock 1.3"),
+
+                // Found in "FREELOCK.IMG" From Freelock 1.3.
+                new PathMatchSet(new List<PathMatch>
+                {
+                    new PathMatch("FREELOCK.13", useEndsWith: true),
+                    new PathMatch("FL.DAT", useEndsWith: true),
+                }, "Freelock 1.3"),
             };
 
             return MatchUtil.GetAllMatches(files, matchers, any: true);
@@ -23,7 +64,23 @@ namespace BurnOutSharp.ProtectionType
         {
             var matchers = new List<PathMatchSet>
             {
-                new PathMatchSet(new PathMatch("FREELOCK.IMG", useEndsWith: true), "FreeLock (Unconfirmed - Please report to us on Github)"),
+                // The disk image that every version of Freelock is distributed through.
+                new PathMatchSet(new PathMatch("FREELOCK.IMG", useEndsWith: true), "Freelock Disk Image"),
+
+                // Found in every "FREELOCK.IMG".
+                new PathMatchSet(new PathMatch("FREELOCK.EXE", useEndsWith: true), "Freelock"),
+                new PathMatchSet(new PathMatch("FREELOCK.TXT", useEndsWith: true), "Freelock"),
+
+                // Found in "FREELOCK.IMG" from Freelock 1.0-1.2.
+                new PathMatchSet(new PathMatch("FREELOCK", useEndsWith: true), "Freelock 1.0-1.2"),
+
+                // Found in "FREELOCK.IMG" from Freelock 1.2+.
+                new PathMatchSet(new PathMatch("GENLOCK.EXE", useEndsWith: true), "Freelock 1.2-1.3"),
+                new PathMatchSet(new PathMatch("freelock.ico", useEndsWith: true), "Freelock 1.2-1.3"),
+                new PathMatchSet(new PathMatch("freelock.pif", useEndsWith: true), "Freelock 1.2-1.3"),
+
+                // Found in "FREELOCK.IMG" From Freelock 1.3.
+                new PathMatchSet(new PathMatch("FREELOCK.13", useEndsWith: true), "Freelock 1.3"),
             };
 
             return MatchUtil.GetFirstMatch(path, matchers, any: true);
diff --git a/README.md b/README.md
index 41c57ed4..a96b82b4 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ Below is a list of protections detected by BurnOutSharp. The two columns explain
 | Easy Anti-Cheat | True | True | |
 | ~~Executable-Based CD Check~~ | True | False | Disabled due to overly-broad checks |
 | Executable-Based Online Registration | True | False | Possibly too broad |
-| Freelock | False | True | Unconfirmed¹ |
+| Freelock | False | True | |
 | Games for Windows - Live | True | True | |
 | Hexalock AutoLock | True | True | |
 | Impulse Reactor / Stardock Product Activation | True | True | |