diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 5f4d7c71f..5a3848bc3 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -2194,7 +2194,7 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 						}else{
 							$this->server->getPluginManager()->callEvent($ev = new PlayerChatEvent($this, $ev->getMessage()));
 							if(!$ev->isCancelled()){
-								$this->server->broadcastMessage(sprintf($ev->getFormat(), $ev->getPlayer()->getDisplayName(), $ev->getMessage()), $ev->getRecipients());
+								$this->server->broadcastMessage($this->getServer()->getLanguage()->translateString($ev->getFormat(), [$ev->getPlayer()->getDisplayName(), $ev->getMessage()]), $ev->getRecipients());
 							}
 						}
 					}
diff --git a/src/pocketmine/Server.php b/src/pocketmine/Server.php
index f158e9cc1..8cc1cd999 100644
--- a/src/pocketmine/Server.php
+++ b/src/pocketmine/Server.php
@@ -407,26 +407,22 @@ class Server{
 			case (string) Player::SURVIVAL:
 			case "survival":
 			case "s":
-			case strtolower(Server::getInstance()->getLanguage()->get("gameMode.survival")):
 				return Player::SURVIVAL;
 
 			case (string) Player::CREATIVE:
 			case "creative":
 			case "c":
-			case strtolower(Server::getInstance()->getLanguage()->get("gameMode.creative")):
 				return Player::CREATIVE;
 
 			case (string) Player::ADVENTURE:
 			case "adventure":
 			case "a":
-			case strtolower(Server::getInstance()->getLanguage()->get("gameMode.adventure")):
 				return Player::ADVENTURE;
 
 			case (string) Player::SPECTATOR:
 			case "spectator":
 			case "view":
 			case "v":
-			case strtolower(Server::getInstance()->getLanguage()->get("gameMode.spectator")):
 				return Player::SPECTATOR;
 		}
 		return -1;
diff --git a/src/pocketmine/command/Command.php b/src/pocketmine/command/Command.php
index ebf5177fa..fab4c0da3 100644
--- a/src/pocketmine/command/Command.php
+++ b/src/pocketmine/command/Command.php
@@ -289,23 +289,21 @@ abstract class Command{
 	public static function broadcastCommandMessage(CommandSender $source, $message, $sendToSource = true){
 		if($message instanceof TextContainer){
 			$m = clone $message;
-			$result = $source->getName() . ": " . $m->getText();
+			$result = "[".$source->getName().": ".$m->getText()."]";
 
 			$users = Server::getInstance()->getPluginManager()->getPermissionSubscriptions(Server::BROADCAST_CHANNEL_ADMINISTRATIVE);
-			$colored = TextFormat::GRAY . TextFormat::ITALIC . "[$result" . TextFormat::GRAY . TextFormat::ITALIC . "]";
+			$colored = TextFormat::GRAY . TextFormat::ITALIC . $result;
 
 			$m->setText($result);
 			$result = clone $m;
 			$m->setText($colored);
 			$colored = clone $m;
 		}else{
-			$result = $source->getName() . ": " . $message;
-
-			//Command minecarts or command blocks are not implemented
-
 			$users = Server::getInstance()->getPluginManager()->getPermissionSubscriptions(Server::BROADCAST_CHANNEL_ADMINISTRATIVE);
-			$colored = TextFormat::GRAY . TextFormat::ITALIC . "[$result" . TextFormat::GRAY . TextFormat::ITALIC . "]";
+			$result = new TranslationContainer("chat.type.admin", [$source->getName(), $message]);
+			$colored = new TranslationContainer(TextFormat::GRAY . TextFormat::ITALIC . "%chat.type.admin", [$source->getName(), $message]);
 		}
+
 		if($sendToSource === true and !($source instanceof ConsoleCommandSender)){
 			$source->sendMessage($message);
 		}
diff --git a/src/pocketmine/command/defaults/MeCommand.php b/src/pocketmine/command/defaults/MeCommand.php
index d5a9ed5b0..d9e870ceb 100644
--- a/src/pocketmine/command/defaults/MeCommand.php
+++ b/src/pocketmine/command/defaults/MeCommand.php
@@ -48,14 +48,7 @@ class MeCommand extends VanillaCommand{
 			return false;
 		}
 
-		$message = "* ";
-		if($sender instanceof Player){
-			$message .= $sender->getDisplayName();
-		}else{
-			$message .= $sender->getName();
-		}
-
-		$sender->getServer()->broadcastMessage($message . " " . implode(" ", $args));
+		$sender->getServer()->broadcastMessage(new TranslationContainer("chat.type.emote", [$sender instanceof Player ? $sender->getDisplayName() : $sender->getName(), TextFormat::WHITE . implode(" ", $args)]));
 
 		return true;
 	}
diff --git a/src/pocketmine/command/defaults/SayCommand.php b/src/pocketmine/command/defaults/SayCommand.php
index 0f4be7cfc..4b56e2dce 100644
--- a/src/pocketmine/command/defaults/SayCommand.php
+++ b/src/pocketmine/command/defaults/SayCommand.php
@@ -49,17 +49,7 @@ class SayCommand extends VanillaCommand{
 			return false;
 		}
 
-		$message = TextFormat::LIGHT_PURPLE . "[";
-		if($sender instanceof ConsoleCommandSender){
-			$message .= "Server";
-		}elseif($sender instanceof Player){
-			$message .= $sender->getDisplayName();
-		}else{
-			$message .= $sender->getName();
-		}
-		$message .= TextFormat::LIGHT_PURPLE . "] " . implode(" ", $args);
-		$sender->getServer()->broadcastMessage($message);
-
+		$sender->getServer()->broadcastMessage(new TranslationContainer(TextFormat::LIGHT_PURPLE . "%chat.type.announcement", [$sender instanceof Player ? $sender->getDisplayName() : ($sender instanceof ConsoleCommandSender ? "Server" : $sender->getName()), TextFormat::LIGHT_PURPLE . implode(" ", $args)]));
 		return true;
 	}
 }
\ No newline at end of file
diff --git a/src/pocketmine/event/player/PlayerChatEvent.php b/src/pocketmine/event/player/PlayerChatEvent.php
index 95650070b..875267525 100644
--- a/src/pocketmine/event/player/PlayerChatEvent.php
+++ b/src/pocketmine/event/player/PlayerChatEvent.php
@@ -42,10 +42,19 @@ class PlayerChatEvent extends PlayerEvent implements Cancellable{
 	 */
 	protected $recipients = [];
 
-	public function __construct(Player $player, $message, $format = "<%s> %s", array $recipients = null){
+	public function __construct(Player $player, $message, $format = "chat.type.text", array $recipients = null){
 		$this->player = $player;
 		$this->message = $message;
+
+		//TODO: @deprecated (backwards-compativility)
+		$i = 0;
+		while(($pos = strpos($format, "%s")) !== false){
+			$format = substr($format, 0, $pos) . "{%$i}" . substr($format, $pos + 2);
+			++$i;
+		}
+
 		$this->format = $format;
+
 		if($recipients === null){
 			$this->recipients = Server::getInstance()->getPluginManager()->getPermissionSubscriptions(Server::BROADCAST_CHANNEL_USERS);
 		}else{
diff --git a/src/pocketmine/lang/BaseLang.php b/src/pocketmine/lang/BaseLang.php
index 399b4b0e3..ab1a8d992 100644
--- a/src/pocketmine/lang/BaseLang.php
+++ b/src/pocketmine/lang/BaseLang.php
@@ -78,6 +78,23 @@ class BaseLang{
 		}
 	}
 
+	/**
+	 * @param string   $str
+	 * @param string[] $params
+	 *
+	 * @return string
+	 */
+	public function translateString($str, array $params = []){
+		$baseText = $this->get($str);
+		$baseText = $this->parseTranslation( $baseText !== null ? $baseText : $str);
+
+		foreach($params as $i => $p){
+			$baseText = str_replace("{%$i}", $this->parseTranslation($p), $baseText);
+		}
+
+		return $baseText;
+	}
+
 	public function translate(TextContainer $c){
 		if($c instanceof TranslationContainer){
 			$baseText = $this->get($c->getText());
diff --git a/src/pocketmine/lang/base/en.ini b/src/pocketmine/lang/base/en.ini
index 21ab7330c..3bec0c5ac 100644
--- a/src/pocketmine/lang/base/en.ini
+++ b/src/pocketmine/lang/base/en.ini
@@ -8,6 +8,13 @@ language.name=English
 multiplayer.player.joined={%0} joined the game
 multiplayer.player.leave={%0} left the game
 
+chat.type.text=<{%0}> {%1}
+chat.type.emote=* {%0} {%1}
+chat.type.announcement=[{%0}] {%1}
+chat.type.admin=[{%0}: {%1}]
+chat.type.achievement={%0} has just earned the achievement {%1}
+
+
 death.fell.accident.generic={%0} fell from a high place
 death.attack.inFire={%0} went up in flames
 death.attack.onFire={%0} burned to death