diff --git a/mods/test.js b/mods/test.js
new file mode 100644
index 00000000..557c1b18
--- /dev/null
+++ b/mods/test.js
@@ -0,0 +1,8 @@
+elements.mustard = {
+    color: "#ffff00",
+    behavior: behaviors.LIQUID,
+    category: "liquids",
+    viscosity: 60000,
+    state: "liquid",
+    density: 720,
+}
\ No newline at end of file