diff --git a/.gitignore b/.gitignore
index 7845072..7fd62ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@
 !Beu/GameModeLoader.php
 !Beu/GuestlistManager.php
 !Beu/MoreModesTools.php
+!Beu/OpenplanetDetector.php
 !Beu/ReloadDevTool.php
 !Beu/SimpleChatColorer.php
 !Beu/SimpleSkinsRemover.php
diff --git a/Beu/OpenplanetDetector.php b/Beu/OpenplanetDetector.php
new file mode 100644
index 0000000..e08804f
--- /dev/null
+++ b/Beu/OpenplanetDetector.php
@@ -0,0 +1,211 @@
+<?php
+namespace Beu;
+
+use Exception;
+use ManiaControl\ManiaControl;
+use ManiaControl\Plugins\Plugin;
+use ManiaControl\Logger;
+use ManiaControl\Callbacks\CallbackListener;
+use ManiaControl\Manialinks\ManialinkPageAnswerListener;
+use ManiaControl\Players\Player;
+use ManiaControl\Players\PlayerManager;
+use Maniaplanet\DedicatedServer\InvalidArgumentException;
+
+/**
+ * OpenplanetDetector
+ *
+ * @author	Beu
+ * @license   http://www.gnu.org/licenses/ GNU General Public License, Version 3
+ */
+class OpenplanetDetector implements ManialinkPageAnswerListener, CallbackListener, Plugin {
+	/*
+	* Constants
+	*/
+	const PLUGIN_ID			= 203;
+	const PLUGIN_VERSION	= 1.0;
+	const PLUGIN_NAME		= 'Openplanet Detector';
+	const PLUGIN_AUTHOR		= 'Beu';
+
+    const SETTING_SIGNATURE_BLACKLIST   = 'Openplanet Signature blacklist';
+    const SETTING_SIGNATURE_WHITELIST   = 'Openplanet Signature whitelist';
+    const SETTING_ACTION                = 'Action for player';
+
+    const ACTION_KICK                   = 'kick';
+    const ACTION_FORCE_AS_SPEC          = 'force as spec';
+
+	/*
+	 * Private properties
+	 */
+	/** @var ManiaControl $maniaControl */
+	private $maniaControl	= null;
+
+    private $manialink = null;
+
+	/**
+	 * @see \ManiaControl\Plugins\Plugin::prepare()
+	 */
+	public static function prepare(ManiaControl $maniaControl) {
+	}
+
+	/**
+	 * @see \ManiaControl\Plugins\Plugin::getId()
+	 */
+	public static function getId() {
+		return self::PLUGIN_ID;
+	}
+
+	/**
+	 * @see \ManiaControl\Plugins\Plugin::getName()
+	 */
+	public static function getName() {
+		return self::PLUGIN_NAME;
+	}
+
+	/**
+	 * @see \ManiaControl\Plugins\Plugin::getVersion()
+	 */
+	public static function getVersion() {
+		return self::PLUGIN_VERSION;
+	}
+
+	/**
+	 * @see \ManiaControl\Plugins\Plugin::getAuthor()
+	 */
+	public static function getAuthor() {
+		return self::PLUGIN_AUTHOR;
+	}
+
+	/**
+	 * @see \ManiaControl\Plugins\Plugin::getDescription()
+	 */
+	public static function getDescription() {
+		return "Detect Openplanet and allow to force as spec and kick players";
+	}
+
+	/**
+	 * @see \ManiaControl\Plugins\Plugin::load()
+	 */
+	public function load(ManiaControl $maniaControl) {
+		$this->maniaControl = $maniaControl;
+        $this->manialink = $this->getManialink();
+
+        $this->maniaControl->getSettingManager()->initSetting($this, self::SETTING_SIGNATURE_BLACKLIST, "DEVMODE", "Comma separated signature banned (Only used is whitelist is empty)");
+        $this->maniaControl->getSettingManager()->initSetting($this, self::SETTING_SIGNATURE_WHITELIST, "", "Comma separated signature allowed.");
+        $this->maniaControl->getSettingManager()->initSetting($this, self::SETTING_ACTION, [self::ACTION_FORCE_AS_SPEC, self::ACTION_KICK], "");
+
+        $this->maniaControl->getCallbackManager()->registerCallbackListener(PlayerManager::CB_PLAYERCONNECT, $this, 'handlePlayerConnect');
+        $this->maniaControl->getManialinkManager()->registerManialinkPageAnswerRegexListener('/^Maniacontrol.OpenplanetDetector:/', $this, 'handleOpenplanetSignature');
+
+        $this->maniaControl->getManialinkManager()->sendManialink($this->manialink);
+	}
+
+    /**
+     * handleOpenplanetSignature
+     * 
+     * @param array $callback 
+     * @param Player $player 
+     * @return void 
+     */
+    public function handleOpenplanetSignature(array $callback, Player $player) {
+        $whitelist = array_filter(explode(',', $this->maniaControl->getSettingManager()->getSettingValue($this, self::SETTING_SIGNATURE_WHITELIST)));
+        $signature = explode(':', $callback[1][2])[1];
+        if ($signature === "") $signature = "REGULAR";
+
+        if (count($whitelist) > 0) {
+            if (!in_array($signature, $whitelist)) {
+                $this->triggerAction($player, $signature);
+            }
+        } else {
+            $blacklist = array_filter(explode(',', $this->maniaControl->getSettingManager()->getSettingValue($this, self::SETTING_SIGNATURE_BLACKLIST)));
+            
+            if (in_array($signature, $blacklist)) {
+                $this->triggerAction($player, $signature);
+            }
+        }
+    }
+
+    /**
+     * triggerAction
+     * 
+     * @param Player $player 
+     * @param string $signature 
+     * @return void 
+     * @throws InvalidArgumentException 
+     */
+    private function triggerAction(Player $player, string $signature) {
+        $this->maniaControl->getChat()->sendInformationToAdmins("Player ". $player->nickname ." has the wrong Openplanet Signature: " . $signature);
+        Logger::log("Player ". $player->nickname ." has the wrong Openplanet Signature: " . $signature);
+
+        switch ($this->maniaControl->getSettingManager()->getSettingValue($this, self::SETTING_ACTION)) {
+            case self::ACTION_FORCE_AS_SPEC:
+                $this->maniaControl->getClient()->forceSpectator($player->login, 1);
+                $this->maniaControl->getChat()->sendInformation("Your Openplanet signature is not allowed. Change it and try to re-join the server", $player->login);
+                break;
+            case self::ACTION_KICK:
+                $this->maniaControl->getClient()->kick($player->login, "Your Openplanet signature is not allowed. Change it and try to re-join the server");
+                break;
+        }
+    }
+
+    /**
+	 * Handle when a player connects
+	 * 
+	 * @param Player $player
+	 */
+	public function handlePlayerConnect(Player $player) {
+        $this->maniaControl->getManialinkManager()->sendManialink($this->manialink, $player->login);
+	}
+
+	/**
+	 * Unload the plugin and its Resources
+	 */
+	public function unload() {}
+
+    /**
+     * getManialink
+     * 
+     * @return string 
+     */
+    private function getManialink() {
+        return <<<'EOD'
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<manialink version="3" id="Maniacontrol.OpenplanetDetector" name="Maniacontrol.OpenplanetDetector">
+<script><!--
+#Include "TextLib" as TL
+
+Boolean GetOpenplanet() {
+    return (TL::RegexFind("^Openplanet ", System.ExtraTool_Info, "").count > 0);
+}
+Text GetOpenplanetSignature() {
+    if (GetOpenplanet()) {
+        declare Text[] SignatureMode = TL::RegexMatch(" \\[([A-Z]*)\\]$", System.ExtraTool_Info, "");
+        if (SignatureMode.count >= 2) {
+            return SignatureMode[1];
+        }
+    } 
+
+    return "";
+}
+
+main () {
+    log("Init Maniacontrol.OpenplanetDetector");
+    wait(InputPlayer != Null);
+
+    declare Text Last_ExtraTool_Info;
+
+    while (True) {
+        yield;
+        if (Last_ExtraTool_Info != System.ExtraTool_Info) {
+            Last_ExtraTool_Info = System.ExtraTool_Info;
+
+            if (GetOpenplanet()) {
+                TriggerPageAction("Maniacontrol.OpenplanetDetector:" ^ GetOpenplanetSignature());
+            }
+        }
+    }
+}
+--></script>
+</manialink>
+EOD;
+    }
+}