diff --git a/launcher/config.kcfg b/launcher/config.kcfg
index 09ba70f..298b403 100644
--- a/launcher/config.kcfg
+++ b/launcher/config.kcfg
@@ -54,5 +54,11 @@ SPDX-License-Identifier: CC0-1.0
     <entry key="EnableRenderDocCapture" type="bool">
       <default>false</default>
     </entry>
+    <entry name="CustomGameServer" type="String">
+      <default></default>
+    </entry>
+    <entry name="CustomGameServerPort" type="int">
+      <default>7000</default>
+    </entry>
   </group>
 </kcfg>
diff --git a/launcher/include/launchercore.h b/launcher/include/launchercore.h
index 1d84aa8..fe5c759 100755
--- a/launcher/include/launchercore.h
+++ b/launcher/include/launchercore.h
@@ -49,7 +49,8 @@ struct LoginAuth {
     int maxExpansion = 1;
 
     // if empty, don't set on the client
-    QString lobbyhost, frontierHost;
+    QString lobbyHost, frontierHost;
+    int lobbyHostPort;
 };
 
 class LauncherCore : public QObject
diff --git a/launcher/include/launchersettings.h b/launcher/include/launchersettings.h
index a0cb2b8..c009689 100644
--- a/launcher/include/launchersettings.h
+++ b/launcher/include/launchersettings.h
@@ -26,6 +26,8 @@ class LauncherSettings : public QObject
     Q_PROPERTY(bool argumentsEncrypted READ argumentsEncrypted WRITE setArgumentsEncrypted NOTIFY encryptedArgumentsChanged)
     Q_PROPERTY(bool enableRenderDocCapture READ enableRenderDocCapture WRITE setEnableRenderDocCapture NOTIFY enableRenderDocCaptureChanged)
     Q_PROPERTY(bool enableSync READ enableSync WRITE setEnableSync NOTIFY enableSyncChanged)
+    Q_PROPERTY(QString customGameServer READ customGameServer WRITE setCustomGameServer NOTIFY customGameServerChanged)
+    Q_PROPERTY(int customGameServerPort READ customGameServerPort WRITE setCustomGameServerPort NOTIFY customGameServerPortChanged)
 
 public:
     explicit LauncherSettings(QObject *parent = nullptr);
@@ -74,6 +76,12 @@ public:
     [[nodiscard]] bool enableSync() const;
     void setEnableSync(bool enabled);
 
+    [[nodiscard]] QString customGameServer() const;
+    void setCustomGameServer(const QString &value);
+
+    [[nodiscard]] int customGameServerPort() const;
+    void setCustomGameServerPort(int port);
+
     Config *config();
 
 Q_SIGNALS:
@@ -89,6 +97,8 @@ Q_SIGNALS:
     void encryptedArgumentsChanged();
     void enableRenderDocCaptureChanged();
     void enableSyncChanged();
+    void customGameServerChanged();
+    void customGameServerPortChanged();
 
 private:
     Config *m_config = nullptr;
diff --git a/launcher/src/gamerunner.cpp b/launcher/src/gamerunner.cpp
index 6c34617..998fe37 100644
--- a/launcher/src/gamerunner.cpp
+++ b/launcher/src/gamerunner.cpp
@@ -228,11 +228,11 @@ QString GameRunner::getGameArgs(const Profile &profile, const std::optional<Logi
         Utility::createPathIfNeeded(profile.winePrefixPath());
 
     if (auth) {
-        if (!auth->lobbyhost.isEmpty()) {
+        if (!auth->lobbyHost.isEmpty()) {
             gameArgs.push_back({QStringLiteral("DEV.GMServerHost"), auth->frontierHost});
             for (int i = 1; i < 9; i++) {
-                gameArgs.push_back({QStringLiteral("DEV.LobbyHost0%1").arg(QString::number(i)), auth->lobbyhost});
-                gameArgs.push_back({QStringLiteral("DEV.LobbyPort0%1").arg(QString::number(i)), QString::number(54994)});
+                gameArgs.push_back({QStringLiteral("DEV.LobbyHost0%1").arg(QString::number(i)), auth->lobbyHost});
+                gameArgs.push_back({QStringLiteral("DEV.LobbyPort0%1").arg(QString::number(i)), QString::number(auth->lobbyHostPort)});
             }
         }
 
diff --git a/launcher/src/launchersettings.cpp b/launcher/src/launchersettings.cpp
index b9c2807..d6e82d2 100644
--- a/launcher/src/launchersettings.cpp
+++ b/launcher/src/launchersettings.cpp
@@ -214,6 +214,34 @@ void LauncherSettings::setEnableSync(const bool enabled)
     }
 }
 
+QString LauncherSettings::customGameServer() const
+{
+    return m_config->customGameServer();
+}
+
+void LauncherSettings::setCustomGameServer(const QString &value)
+{
+    if (m_config->customGameServer() != value) {
+        m_config->setCustomGameServer(value);
+        m_config->save();
+        Q_EMIT customGameServerChanged();
+    }
+}
+
+int LauncherSettings::customGameServerPort() const
+{
+    return m_config->customGameServerPort();
+}
+
+void LauncherSettings::setCustomGameServerPort(const int port)
+{
+    if (m_config->customGameServerPort() != port) {
+        m_config->setCustomGameServerPort(port);
+        m_config->save();
+        Q_EMIT customGameServerPortChanged();
+    }
+}
+
 Config *LauncherSettings::config()
 {
     return m_config;
diff --git a/launcher/src/sapphirelogin.cpp b/launcher/src/sapphirelogin.cpp
index 1b39c6c..de0a524 100644
--- a/launcher/src/sapphirelogin.cpp
+++ b/launcher/src/sapphirelogin.cpp
@@ -40,8 +40,9 @@ QCoro::Task<std::optional<LoginAuth>> SapphireLogin::login(const QString &lobbyU
     if (!document.isEmpty()) {
         LoginAuth auth;
         auth.SID = document["sId"_L1].toString();
-        auth.lobbyhost = document["lobbyHost"_L1].toString();
+        auth.lobbyHost = document["lobbyHost"_L1].toString();
         auth.frontierHost = document["frontierHost"_L1].toString();
+        auth.lobbyHostPort = 54994; // TODO: where did this come from?
         auth.region = 3;
 
         co_return auth;
@@ -67,10 +68,10 @@ void SapphireLogin::registerAccount(const QString &lobbyUrl, const LoginInformat
 
         LoginAuth auth;
         auth.SID = document["sId"_L1].toString();
-        auth.lobbyhost = document["lobbyHost"_L1].toString();
+        auth.lobbyHost = document["lobbyHost"_L1].toString();
         auth.frontierHost = document["frontierHost"_L1].toString();
         auth.region = 3;
 
         // m_launcher.launchGame(*info.profile, auth);
     });
-}
\ No newline at end of file
+}
diff --git a/launcher/src/squareenixlogin.cpp b/launcher/src/squareenixlogin.cpp
index 1507651..36b4acb 100644
--- a/launcher/src/squareenixlogin.cpp
+++ b/launcher/src/squareenixlogin.cpp
@@ -71,6 +71,13 @@ QCoro::Task<std::optional<LoginAuth>> SquareEnixLogin::login(LoginInformation *i
         co_return std::nullopt;
     }
 
+    // Inject custom game server if set
+    if (!m_launcher.settings()->customGameServer().isEmpty()) {
+        m_auth.frontierHost = m_launcher.settings()->customGameServer();
+        m_auth.lobbyHost = m_launcher.settings()->customGameServer();
+        m_auth.lobbyHostPort = m_launcher.settings()->customGameServerPort();
+    }
+
     co_return m_auth;
 }
 
diff --git a/launcher/ui/Settings/DeveloperSettings.qml b/launcher/ui/Settings/DeveloperSettings.qml
index 18488f2..15cd666 100644
--- a/launcher/ui/Settings/DeveloperSettings.qml
+++ b/launcher/ui/Settings/DeveloperSettings.qml
@@ -180,5 +180,33 @@ FormCard.FormCardPage {
             text: LauncherCore.settings.mainServer
             onTextChanged: LauncherCore.settings.mainServer = text
         }
+
+        FormCard.FormDelegateSeparator {
+            above: mainServerDelegate
+            below: gameServerDelegate
+        }
+
+        FormCard.FormTextFieldDelegate {
+            id: gameServerDelegate
+
+            label: i18n("Game Server (leave blank for default)")
+            text: LauncherCore.settings.customGameServer
+            onTextChanged: LauncherCore.settings.customGameServer = text
+        }
+
+        FormCard.FormDelegateSeparator {
+            above: gameServerDelegate
+            below: gameServerPortDelegate
+        }
+
+        FormCard.FormSpinBoxDelegate {
+            id: gameServerPortDelegate
+
+            label: i18n("Game Server Port")
+            value: LauncherCore.settings.customGameServerPort
+            onValueChanged: LauncherCore.settings.customGameServerPort = value
+            from: 1
+            to: 999999
+        }
     }
-}
\ No newline at end of file
+}