diff --git a/mods/nettysaddon.js b/mods/nettysaddon.js
new file mode 100644
index 00000000..2462c8f7
--- /dev/null
+++ b/mods/nettysaddon.js
@@ -0,0 +1,48 @@
+elements.ultra_uranium = {
+	color: ["#50C878" , "#4F7942"],
+	behavior: [
+     "XX|XX|XX",
+     "XX|DL%5|XX",
+     "M2%25|M1%25|M2%25",
+],
+	category: "weapons",
+	state: "solid",
+        temp: 9999999999999999,
+        hardness: 1,
+};
+elements.mega_beam = {
+    color: ["#DFFF00" , "#00FFFF"],
+    tick: function(pixel) {
+        var x = pixel.x;
+        for (var y = pixel.y; y < height; y++) {
+            if (outOfBounds(x, y)) {
+                break;
+            }
+            if (isEmpty(x, y)) {
+                if (Math.random() > 0.05) { continue }
+                createPixel("flash", x, y);
+                pixelMap[x][y].color = "#DFFF00";
+                pixelMap[x][y].temp = 9800;
+            }
+            else {
+                if (elements[pixelMap[x][y].element].isGas) { continue }
+                if (elements[pixelMap[x][y].element].id === elements.mega_beam.id) { break }
+                pixelMap[x][y].temp += 9800;
+                pixelTempCheck(pixelMap[x][y]);
+                break;
+            }
+        }
+        deletePixel(pixel.x-1, pixel.y-1);
+        deletePixel(pixel.x+1, pixel.y+1);
+        if ( pixelTicks - pixel.start > 1) {
+            deletePixel(pixel.x, pixel.y)
+        }
+        doHeat(pixel);
+    },
+    temp: 9800,
+    category: "weapons",
+    state: "gas",
+    density: 1,
+    excludeRandom: true,
+    noMix: true
+}
\ No newline at end of file