diff --git a/mods/testmod.js b/mods/testmod.js
new file mode 100644
index 00000000..7689a183
--- /dev/null
+++ b/mods/testmod.js
@@ -0,0 +1,7 @@
+elements.HelloWorld = {
+    color: "#100D5E",
+    behavior: behaviors.WALL,
+    category: "land",
+    state:  "solid"
+    density: 720,
+};