diff --git a/index.html b/index.html
index 12eda3d..ccaf0ab 100644
--- a/index.html
+++ b/index.html
@@ -65,6 +65,15 @@
       </div>
     </div>
 
+    <br/>
+    <br/>
+    <br/>
+    <br/>
+
+    <p>TypeScript Asteroids by Ben Creech (<a href="https://github.com/bpcreech/typescript-asteroids">source</a>)</p>
+      
+    <p>based Doug McInnes's original <a href="http://dougmcinnes.com/2010/05/12/html-5-asteroids/">JavaScript-based HTML5 Asteroids</a> (<a href="https://github.com/dmcinnes/HTML5-Asteroids">source</a>).</p>
+
     <script type="module" src="/src/main.ts"></script>
   </body>
 </html>