But can it run DOOM? (yes)

code.js

@@ -2,6 +2,28 @@
 function newWindow(element) {
     $(element).show();
     $(element).selectWindow();
+
+    if (element == '#doom') {
+    	loadDoom();
+    }
+}
+
+
+// Load DOOM, because we can
+function loadDoom() {
+	$.getScript('https://js-dos.com/6.22/current/js-dos.js', function() {
+		Dos(document.getElementById("doomcanvas"), {
+	        wdosboxUrl: "https://js-dos.com/6.22/current/wdosbox.js",
+	        cycles: 1000,
+	        autolock: false,
+	    }).ready(function (fs, main) {
+	      fs.extract("https://js-dos.com/cdn/upload/DOOM-@evilution.zip").then(function () {
+	        main(["-c", "cd DOOM", "-c", "DOOM.EXE"]).then(function (ci) {
+	            window.ci = ci;
+	        });
+	      });
+	    });
+	});
 }
 
 $( function() {

index.html

@@ -90,7 +90,7 @@
         <div class="windowtitle">DOOM</div>
       </div>
       <div class="windowinner">
-        <img src="misc/doom.png"/>
+        <canvas id="doomcanvas"></canvas>
       </div>
     </div>
   </body>

style.css

@@ -143,4 +143,11 @@ textarea.fullwindowdosprompt {
 .icon p.highlight {
     background-color: darkblue;
     color: white;
+}
+
+/* DOOM */
+#doomcanvas {
+    background-color: black;
+    width: 640px;
+    height: 480px;
 }