diff --git a/docs/config/messages.player.md b/docs/config/messages.player.md
index 9bbdc77..8f348d7 100644
--- a/docs/config/messages.player.md
+++ b/docs/config/messages.player.md
@@ -20,6 +20,7 @@
 | `%DAY_NUMBER%`      | Current day number on server                                                              | Any messages        |
 | `%WORLD_NAME%`      | World name of the world used on the server                                                | Any messages        |
 | `%NUM_PLAYERS%`     | Number of currently online players                                                        | Any messages        |
+| `%JOIN_CODE%`       | Server's join code (only if a join code exists, blank otherwise)                          | Any messages        |
 :::
 
 :::details Random Messages
diff --git a/docs/config/messages.playerfirsts.md b/docs/config/messages.playerfirsts.md
index fa1ef68..82f2e72 100644
--- a/docs/config/messages.playerfirsts.md
+++ b/docs/config/messages.playerfirsts.md
@@ -19,6 +19,7 @@
 | `%DAY_NUMBER%`      | Current day number on server                                                              | Any messages        |
 | `%WORLD_NAME%`      | World name of the world used on the server                                                | Any messages        |
 | `%NUM_PLAYERS%`     | Number of currently online players                                                        | Any messages        |
+| `%JOIN_CODE%`       | Server's join code (only if a join code exists, blank otherwise)                          | Any messages        |
 :::
 
 :::details Random Messages
diff --git a/docs/config/messages.server.md b/docs/config/messages.server.md
index ac16eb0..f2ff673 100644
--- a/docs/config/messages.server.md
+++ b/docs/config/messages.server.md
@@ -9,6 +9,7 @@
 | `%DAY_NUMBER%`      | Current day number on server                                                              | Any messages        |
 | `%WORLD_NAME%`      | World name of the world used on the server                                                | Any messages        |
 | `%NUM_PLAYERS%`     | Number of currently online players                                                        | Any messages        |
+| `%JOIN_CODE%`       | Server's join code (only if a join code exists, blank otherwise)                          | Any messages        |
 :::
 
 ## Server Launch Message
diff --git a/src/MessageTransformer.cs b/src/MessageTransformer.cs
index 08c88eb..c949e1f 100644
--- a/src/MessageTransformer.cs
+++ b/src/MessageTransformer.cs
@@ -27,6 +27,7 @@ internal static class MessageTransformer
     private const string WORLD_NAME = "%WORLD_NAME%";
     private const string DAY_NUMBER = "%DAY_NUMBER%";
     private const string NUM_PLAYERS = "%NUM_PLAYERS%";
+    private const string JOIN_CODE = "%JOIN_CODE%";
 
     private static readonly Regex OpenCaretRegex = new(@"<[\w=]+>");
     private static readonly Regex CloseCaretRegex = new(@"</[\w]+>");
@@ -59,6 +60,7 @@ private static string ReplaceVariables(string rawMessage)
     ///     - `%WORLD_NAME%` with the name of the world
     ///     - `%DAY_NUMBER%` with the current day number
     ///     - `%NUM_PLAYERS%` with the number of players in the server
+    ///     - `%JOIN_CODE%` with the join code of the server
     /// </summary>
     /// <param name="rawMessage">Raw message to format</param>
     private static string ReplaceDynamicVariables(string rawMessage)
@@ -68,10 +70,21 @@ private static string ReplaceDynamicVariables(string rawMessage)
         dynamicReplacedMessage = ReplaceWorldName(dynamicReplacedMessage);
         dynamicReplacedMessage = ReplaceDayNumber(dynamicReplacedMessage);
         dynamicReplacedMessage = ReplaceNumPlayers(dynamicReplacedMessage);
+        dynamicReplacedMessage = ReplaceJoinCode(dynamicReplacedMessage);
 
         return dynamicReplacedMessage;
     }
 
+    /// <summary>
+    /// Replace the join code in the message. Uses the ZPlayFabMatchmaking class to get the join code.
+    /// </summary>
+    /// <param name="rawMessage">Raw message to format</param>
+    private static string ReplaceJoinCode(string rawMessage)
+    {
+        return rawMessage
+            .Replace(JOIN_CODE, ZPlayFabMatchmaking.JoinCode);
+    }
+
     /// <summary>
     /// Replace the day number in the message. Uses the EnvMan instance to get the current day.
     /// This will only replace `%DAY_NUMBER%` with the current day if the EnvMan instance is available.