diff --git a/ad.html b/ad.html
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+<!DOCTYPE html>
+<html>
+
+<head>
+    <meta charset="utf-8">
+    <title>Sandboxels</title>
+    <meta name="description" content="A falling sand simulation game, with heat transfer, electricity, density, fire, explosions, and more.">
+    <meta name="keywords" content="falling sand, elements, pixel art, simulator, powder">
+    <meta name="author" content="R74n">
+    <meta name="copyright" content="R74n">
+    <link href="https://fonts.googleapis.com/css?family=Press+Start+2P" rel="stylesheet">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta name="robots" content="noindex">
+    
+    <!--Favicons-->
+    <link rel="apple-touch-icon" sizes="180x180" href="icons/apple-touch-icon.png?v=2">
+    <link rel="icon" type="image/png" sizes="32x32" href="icons/favicon-32x32.png?v=2">
+    <link rel="icon" type="image/png" sizes="16x16" href="icons/favicon-16x16.png?v=2">
+    <link rel="manifest" href="manifest.json">
+    <link rel="mask-icon" href="icons/safari-pinned-tab.svg?v=2" color="#2167ff">
+    <link rel="shortcut icon" href="icons/favicon.ico?v=2">
+    <meta name="msapplication-TileColor" content="#e6d577">
+    <meta name="theme-color" content="#000000">
+
+    <!--OpenGraph-->
+    <meta property="og:locale" content="en_US">
+    <meta property="og:type" content="website">
+    <meta property="og:title" content="404 - Sandboxels">
+    <meta property="og:description" content="A falling sand simulation game, with heat transfer, electricity, density, fire, explosions, and more.">
+    <meta property="og:url" content="https://sandboxels.r74n.com">
+    <meta property="og:site_name" content="Sandboxels">
+    <meta property="og:image" content="https://sandboxels.r74n.com/icons/wallpaper.png">
+    <meta property="og:image:width" content="1980">
+    <meta property="og:image:height" content="971">
+    <meta property="og:image:type" content="image/png">
+    <meta property="og:image:alt" content="A rainforest made in Sandboxels">
+
+    <!--Twitter-->
+    <meta name="twitter:card" content="summary_large_image">
+    <meta name="twitter:description" content="A falling sand simulation game, with heat transfer, electricity, density, fire, explosions, and more.">
+    <meta name="twitter:title" content="404 - Sandboxels">
+    <meta name="twitter:site:id" content="1436857621827530753">
+    <meta name="twitter:image" content="https://sandboxels.r74n.com/icons/card.png">
+    <meta name="twitter:image:alt" content="A rainforest made in Sandboxels">
+    <meta name="twitter:creator:id" content="1436857621827530753">
+
+    <script src="https://R74n.com/load.js"></script>
+
+    <style>
+        html, body {
+            width:  100%;
+            height: 100%;
+            margin: 0;
+        }
+        body {
+            font-family: 'Press Start 2P';
+            background-color: #000000;
+            color: #ffffff;
+            padding-top: 50px;
+        }
+        .pagetitle {
+            font-size: 2em;
+            padding-left: 0.25em;
+        }
+        a {color: rgb(255, 0, 255);text-decoration: none;}
+        a:hover {color: rgb(255, 121, 255);}
+        a:active, a:hover:active {color: rgb(255, 179, 255);}
+        /* align the image to the center of the page */
+        .img404 {
+            display: block;
+            margin-left: auto;
+            margin-right: auto;
+            width: 50%;
+        }
+        p {
+            text-align: center;
+            font-size: 1.5em;
+        }
+    </style>
+</head>
+<body>
+    <img src="https://sandboxels.r74n.com/icons/wallpaper.png" alt="A rainforest made in Sandboxels" class="img404">
+    <p><a href="https://sandboxels.r74n.com">Click Here to Play <em>Sandboxels</em></a></p>
+    <p>Sandboxels is an in-browser falling sand simulation game, with mechanics such as heat simulation, electricity, density, chemical reactions, fire, and over 200 unique elements to play with.</p>
+</body>
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