diff --git a/src/PocketMine/Player.php b/src/PocketMine/Player.php
index 0790c846b..ad96aac7f 100644
--- a/src/PocketMine/Player.php
+++ b/src/PocketMine/Player.php
@@ -22,7 +22,7 @@
 namespace PocketMine;
 
 use PocketMine\Command\CommandSender;
-use PocketMine\Entity\RealHuman;
+use PocketMine\Entity\Human;
 use PocketMine\Event;
 use PocketMine\Item\Item;
 use PocketMine\Level\Level;
@@ -84,7 +84,7 @@ use PocketMine\Utils\Utils;
  * Class Player
  * @package PocketMine
  */
-class Player extends RealHuman implements CommandSender{
+class Player extends Human implements CommandSender{
 	const BROADCAST_CHANNEL_ADMINISTRATIVE = "pocketmine.broadcast.admin";
 	const BROADCAST_CHANNEL_USERS = "pocketmine.broadcast.user";
 
@@ -132,6 +132,8 @@ class Player extends RealHuman implements CommandSender{
 	protected $startAction = false;
 	protected $sleeping = false;
 	protected $chunksOrder = array();
+	/** @var Player[] */
+	protected $hiddenPlayers = array();
 	private $recoveryQueue = array();
 	private $receiveQueue = array();
 	private $resendQueue = array();
@@ -166,6 +168,30 @@ class Player extends RealHuman implements CommandSender{
 
 	private $perm = null;
 
+
+	protected function initEntity(){
+		$this->level->players[$this->CID] = $this;
+		parent::initEntity();
+	}
+
+	/**
+	 * @param Player $player
+	 */
+	public function spawnTo(Player $player){
+		if($this->spawned === true and $player->getLevel() === $this->getLevel() and $player->canSee($this)){
+			parent::spawnTo($player);
+		}
+	}
+
+	/**
+	 * @param Player $player
+	 */
+	public function despawnFrom(Player $player){
+		if($this->spawned === true){
+			parent::despawnFrom($player);
+		}
+	}
+
 	/**
 	 * @return Server
 	 */
@@ -173,6 +199,44 @@ class Player extends RealHuman implements CommandSender{
 		return $this->server;
 	}
 
+	/**
+	 * @param Player $player
+	 *
+	 * @return bool
+	 */
+	public function canSee(Player $player){
+		return !isset($this->hiddenPlayers[$player->getName()]);
+	}
+
+	/**
+	 * @param Player $player
+	 */
+	public function hidePlayer(Player $player){
+		if($player === $this){
+			return;
+		}
+		$this->hiddenPlayers[$player->getName()] = $player;
+		$player->despawnFrom($this);
+	}
+
+	/**
+	 * @param Player $player
+	 */
+	public function showPlayer(Player $player){
+		if($player === $this){
+			return;
+		}
+		unset($this->hiddenPlayers[$player->getName()]);
+		$player->spawnTo($this);
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function isOnline(){
+		return $this->connected === true and $this->loggedIn === true;
+	}
+
 	/**
 	 * @return bool
 	 */
@@ -1542,7 +1606,7 @@ class Player extends RealHuman implements CommandSender{
 				if($target instanceof Entity and $this->gamemode !== VIEW and $this->blocked === false and ($target instanceof Entity) and $this->entity->distance($target) <= 8){
 					$data["targetentity"] = $target;
 					$data["entity"] = $this->entity;
-				if($target instanceof RealHuman and ($this->server->api->getProperty("pvp") == false or $this->server->difficulty <= 0 or ($target->player->gamemode & 0x01) === 0x01)){
+				if($target instanceof Player and ($this->server->api->getProperty("pvp") == false or $this->server->difficulty <= 0 or ($target->player->gamemode & 0x01) === 0x01)){
 					break;
 				}elseif($this->server->handle("player.interact", $data) !== false){
 						$slot = $this->getSlot($this->slot);
@@ -2086,6 +2150,7 @@ class Player extends RealHuman implements CommandSender{
 			$this->chunkCount = array();
 			$this->craftingItems = array();
 			$this->received = array();
+			unset($this->level->players[$this->CID]);
 			parent::close();
 			$this->buffer = null;
 			unset($this->buffer);
diff --git a/src/PocketMine/command/SimpleCommandMap.php b/src/PocketMine/command/SimpleCommandMap.php
index d222c4f8d..f56edac4e 100644
--- a/src/PocketMine/command/SimpleCommandMap.php
+++ b/src/PocketMine/command/SimpleCommandMap.php
@@ -26,6 +26,7 @@ use PocketMine\Command\Defaults\BanIpCommand;
 use PocketMine\Command\Defaults\BanListCommand;
 use PocketMine\Command\Defaults\DefaultGamemodeCommand;
 use PocketMine\Command\Defaults\HelpCommand;
+use PocketMine\Command\Defaults\ListCommand;
 use PocketMine\Command\Defaults\MeCommand;
 use PocketMine\Command\Defaults\PardonCommand;
 use PocketMine\Command\Defaults\PardonIpCommand;
@@ -68,6 +69,7 @@ class SimpleCommandMap implements CommandMap{
 		$this->register("pocketmine", new PardonIpCommand("pardon-ip"));
 		$this->register("pocketmine", new SayCommand("say"));
 		$this->register("pocketmine", new MeCommand("me"));
+		$this->register("pocketmine", new ListCommand("list"));
 	}
 
 
diff --git a/src/PocketMine/command/defaults/ListCommand.php b/src/PocketMine/command/defaults/ListCommand.php
new file mode 100644
index 000000000..b0f07b281
--- /dev/null
+++ b/src/PocketMine/command/defaults/ListCommand.php
@@ -0,0 +1,58 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+namespace PocketMine\Command\Defaults;
+
+use PocketMine\Command\Command;
+use PocketMine\Command\CommandSender;
+use PocketMine\Player;
+use PocketMine\Server;
+use PocketMine\Utils\TextFormat;
+
+class ListCommand extends VanillaCommand{
+
+	public function __construct($name){
+		parent::__construct(
+			$name,
+			"Lists all online players",
+			"/list"
+		);
+		$this->setPermission("pocketmine.command.list");
+	}
+
+	public function execute(CommandSender $sender, $currentAlias, array $args){
+		if(!$this->testPermission($sender)){
+			return true;
+		}
+
+		$online = "";
+
+		foreach(Player::getAll() as $player){
+			if($player->isOnline() and (!($sender instanceof Player) or $sender->canSee($player))){
+				$online .= $player->getDisplayName() . ", ";
+			}
+		}
+
+		$sender->sendMessage("There are ".count(Player::getAll())."/".Server::getInstance()->getMaxPlayers()." players online:\n" . substr($online, 0, -2));
+
+		return true;
+	}
+}
\ No newline at end of file
diff --git a/src/PocketMine/entity/RealHuman.php b/src/PocketMine/entity/RealHuman.php
deleted file mode 100644
index 5959f7ef6..000000000
--- a/src/PocketMine/entity/RealHuman.php
+++ /dev/null
@@ -1,49 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____  
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- * 
- *
-*/
-
-namespace PocketMine\Entity;
-
-use PocketMine\Player;
-
-abstract class RealHuman extends Human{
-
-	protected function initEntity(){
-		$this->level->players[$this->CID] = $this;
-		parent::initEntity();
-	}
-
-	public function close(){
-		unset($this->level->players[$this->CID]);
-		parent::close();
-	}
-
-	public function spawnTo(Player $player){
-		if($this->spawned === true){
-			parent::spawnTo($player);
-		}
-	}
-
-	public function despawnFrom(Player $player){
-		if($this->spawned === true){
-			parent::despawnFrom($player);
-		}
-	}
-}
\ No newline at end of file