&lt;!DOCTYPE html&gt;
&lt;html lang="en"&gt;
&lt;head&gt;
    &lt;meta charset="UTF-8"&gt;
    &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;
    &lt;title&gt;Play Road Rash in Browser&lt;/title&gt;
    &lt;style&gt;
        body { margin: 0; padding: 0; display: flex; justify-content: center; align-items: center; height: 100vh; background-color: #000; }
        iframe { border: none; width: 100%; height: 100%; max-width: 800px; max-height: 600px; }
    &lt;/style&gt;
&lt;/head&gt;
&lt;body&gt;
    &lt;iframe src="https://dos.zone/road-rash" allowfullscreen&gt;&lt;/iframe&gt;
&lt;/body&gt;
&lt;/html&gt;