diff --git a/docs/api.html b/docs/api.html
index 4522dc8..37fcde2 100644
--- a/docs/api.html
+++ b/docs/api.html
@@ -33,6 +33,7 @@
 <h2>Modules</h2>
 <ul class="nowrap">
   <li><a href="modules/common.lua.html">common.lua</a></li>
+  <li><a href="modules/features.lua.html">features.lua</a></li>
   <li><a href="modules/register.lua.html">register.lua</a></li>
   <li><a href="modules/settings.lua.html">settings.lua</a></li>
 </ul>
@@ -51,6 +52,10 @@
 
 </td>
 	</tr>
+	<tr>
+		<td class="name"  ><a href="modules/features.lua.html">features.lua</a></td>
+		<td class="summary">Flags for features in current version.</td>
+	</tr>
 	<tr>
 		<td class="name"  ><a href="modules/register.lua.html">register.lua</a></td>
 		<td class="summary">MOB Registration</td>
@@ -65,7 +70,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2021-05-24 00:02:25 </i>
+<i style="float:right;">Last updated 2021-05-24 18:20:07 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/config.ld b/docs/config.ld
index a7ffde3..6cf126e 100644
--- a/docs/config.ld
+++ b/docs/config.ld
@@ -8,6 +8,7 @@ boilerplate = true
 file = {"register.lua", "common.lua"}
 
 new_type("setting", "Settings")
+new_type("feature", "Features")
 
 custom_tags = {
 	{
diff --git a/docs/modules/common.lua.html b/docs/modules/common.lua.html
index 63907ca..1b30271 100644
--- a/docs/modules/common.lua.html
+++ b/docs/modules/common.lua.html
@@ -40,6 +40,7 @@
 <h2>Modules</h2>
 <ul class="nowrap">
   <li><strong>common.lua</strong></li>
+  <li><a href="../modules/features.lua.html">features.lua</a></li>
   <li><a href="../modules/register.lua.html">register.lua</a></li>
   <li><a href="../modules/settings.lua.html">settings.lua</a></li>
 </ul>
@@ -243,7 +244,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2021-05-24 00:02:25 </i>
+<i style="float:right;">Last updated 2021-05-24 18:20:07 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/features.lua.html b/docs/modules/features.lua.html
new file mode 100644
index 0000000..8bda36f
--- /dev/null
+++ b/docs/modules/features.lua.html
@@ -0,0 +1,101 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+<head>
+    <title>Creatures Revived</title>
+    <link rel="stylesheet" href="../ldoc.css" type="text/css" />
+</head>
+<body>
+
+<div id="container">
+
+<div id="product">
+	<div id="product_logo"></div>
+	<div id="product_name"><big><b></b></big></div>
+	<div id="product_description"></div>
+</div> <!-- id="product" -->
+
+
+<div id="main">
+
+
+<!-- Menu -->
+
+<div id="navigation">
+<br/>
+<h1>cmer</h1>
+
+
+<ul>
+  <li><a href="../api.html">Index</a></li>
+</ul>
+
+<h2>Contents</h2>
+<ul>
+<li><a href="#Features">Features</a></li>
+</ul>
+
+
+<h2>Modules</h2>
+<ul class="nowrap">
+  <li><a href="../modules/common.lua.html">common.lua</a></li>
+  <li><strong>features.lua</strong></li>
+  <li><a href="../modules/register.lua.html">register.lua</a></li>
+  <li><a href="../modules/settings.lua.html">settings.lua</a></li>
+</ul>
+
+</div>
+
+<div id="content">
+
+<h1>Module <code>features.lua</code></h1>
+<p>Flags for features in current version.</p>
+<p>
+
+</p>
+
+
+<h2><a href="#Features">Features</a></h2>
+<table class="function_list">
+	<tr>
+	<td class="name" ><a href="#cmer.feature_nametags">cmer.feature_nametags</a></td>
+	<td class="summary">Showing nametags above mobs.</td>
+	</tr>
+</table>
+
+<br/>
+<br/>
+
+
+    <h2 class="section-header "><a name="Features"></a>Features</h2>
+
+    <dl class="function">
+    <dt>
+    <a name = "cmer.feature_nametags"></a>
+    <strong>cmer.feature_nametags</strong>
+    </dt>
+    <dd>
+    Showing nametags above mobs.
+
+    </ul>
+    </ul>
+
+
+
+
+
+
+</dd>
+</dl>
+
+
+</div> <!-- id="content" -->
+</div> <!-- id="main" -->
+<div id="about">
+<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
+<i style="float:right;">Last updated 2021-05-24 18:20:07 </i>
+</div> <!-- id="about" -->
+</div> <!-- id="container" -->
+</body>
+</html>
diff --git a/docs/modules/register.lua.html b/docs/modules/register.lua.html
index 5797eea..e135e4f 100644
--- a/docs/modules/register.lua.html
+++ b/docs/modules/register.lua.html
@@ -43,6 +43,7 @@
 <h2>Modules</h2>
 <ul class="nowrap">
   <li><a href="../modules/common.lua.html">common.lua</a></li>
+  <li><a href="../modules/features.lua.html">features.lua</a></li>
   <li><strong>register.lua</strong></li>
   <li><a href="../modules/settings.lua.html">settings.lua</a></li>
 </ul>
@@ -207,9 +208,15 @@
             <span class="types"><a class="type" href="https://www.lua.org/manual/5.3/manual.html#6.4">string</a></span>
          E.g. "creatures:sheep".
         </li>
+        <li><span class="parameter">nametag</span>
+            <span class="types"><a class="type" href="https://www.lua.org/manual/5.3/manual.html#6.4">string</a></span>
+         String to be displayed in entity's nametag.
+         (<em>optional</em>)
+        </li>
         <li><span class="parameter">ownable</span>
             <span class="types"><span class="type">bool</span></span>
          Flag for defining if entity is ownable by players (default: <em>false</em>).
+         (<em>optional</em>)
         </li>
         <li><span class="parameter">stats</span>
             <span class="types"><a class="type" href="../modules/register.lua.html#StatsDef">StatsDef</a></span>
@@ -1112,7 +1119,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2021-05-24 00:02:25 </i>
+<i style="float:right;">Last updated 2021-05-24 18:20:07 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/settings.lua.html b/docs/modules/settings.lua.html
index 7010e25..29c907a 100644
--- a/docs/modules/settings.lua.html
+++ b/docs/modules/settings.lua.html
@@ -40,6 +40,7 @@
 <h2>Modules</h2>
 <ul class="nowrap">
   <li><a href="../modules/common.lua.html">common.lua</a></li>
+  <li><a href="../modules/features.lua.html">features.lua</a></li>
   <li><a href="../modules/register.lua.html">register.lua</a></li>
   <li><strong>settings.lua</strong></li>
 </ul>
@@ -73,6 +74,10 @@
 	<td class="name" ><a href="#creative_mode">creative_mode</a></td>
 	<td class="summary">Enables creative mode.</td>
 	</tr>
+	<tr>
+	<td class="name" ><a href="#enable_mob_nametags">enable_mob_nametags</a></td>
+	<td class="summary">Displays nametags above mobs.</td>
+	</tr>
 </table>
 
 <br/>
@@ -173,6 +178,28 @@
 
 
 
+</dd>
+    <dt>
+    <a name = "enable_mob_nametags"></a>
+    <strong>enable_mob_nametags</strong>
+    </dt>
+    <dd>
+    Displays nametags above mobs.
+
+    <h3>Type:</h3>
+    <ul>
+         bool
+    </ul>
+    <h3>Default value:</h3>
+    <ul>
+         false
+    </ul>
+
+
+
+
+
+
 </dd>
 </dl>
 
@@ -181,7 +208,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2021-05-24 00:02:25 </i>
+<i style="float:right;">Last updated 2021-05-24 18:20:07 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/features.lua b/features.lua
new file mode 100644
index 0000000..220cc28
--- /dev/null
+++ b/features.lua
@@ -0,0 +1,13 @@
+--
+--
+
+--- Flags for features in current version.
+--
+--  @module features.lua
+
+
+--- Showing nametags above mobs.
+--
+--  @feature cmer.feature_nametags
+cmer.feature_nametags = true
+cmer.feature_nametag = cmer.feature_nametags
diff --git a/init.lua b/init.lua
index 726ae66..b623b04 100644
--- a/init.lua
+++ b/init.lua
@@ -20,9 +20,7 @@
 --
 
 
-cmer = {
-	feature_nametags = true,
-}
+cmer = {}
 
 if not core.global_exists("creatures") then
 	-- backward compat
@@ -48,6 +46,7 @@ end
 
 
 local scripts = {
+	"features",
 	"settings",
 	"common",
 	"functions",
