diff --git a/mods/weapons.js b/mods/weapons.js
new file mode 100644
index 00000000..dfb8ed94
--- /dev/null
+++ b/mods/weapons.js
@@ -0,0 +1,88 @@
+elements.tsar_bomba = {
+    color: "#524C41",
+    behavior: [
+        "XX|EX:150>plasma|XX",
+        "XX|XX|XX",
+        "M2|M1 AND EX:150>plasma|M2",
+    ],
+    category: "weapons",
+    state: "solid",
+    density: 1300,
+    excludeRandom: true,
+    cooldown: defaultCooldown
+},
+elements.little_boy = {
+    color: "#F5F5DC",
+    behavior: [
+        "XX|EX:20>plasma|XX",
+        "XX|XX|XX",
+        "M2|M1 AND EX:70>plasma,plasma,plasma,plasma,radiation,fallout|M2",
+    ],
+    category: "weapons",
+    state: "solid",
+    density: 500,
+    excludeRandom: true,
+    cooldown: defaultCooldown
+},
+elements.fat_man = {
+    color: ["#ffff00","#000000"],
+    behavior: [
+        "XX|EX:28>plasma|XX",
+        "XX|XX|XX",
+        "M2|M1 AND EX:98>plasma,plasma,plasma,plasma,radiation,fallout|M2",
+    ],
+    category: "weapons",
+    state: "solid",
+    density: 1000,
+    excludeRandom: true,
+    cooldown: defaultCooldown
+},
+    elements.self_propelled_bomb = {
+    color: "#71797E",
+    tick: function(pixel) {
+        if ((pixel.temp > 1000 || pixel.charge) && !pixel.burning) {
+            pixel.burning = true;
+            pixel.burnStart = pixelTicks;
+        }
+        if (pixel.burning) {
+            if (!tryMove(pixel, pixel.x, pixel.y-1)) {
+                // tryMove again to the top left or top right
+                tryMove(pixel, pixel.x+(Math.random() < 0.5 ? -1 : 1), pixel.y-1);
+            }
+            if (pixelTicks-pixel.burnStart > 50 && Math.random() < 0.1) {
+                explodeAt(pixel.x, pixel.y, 10, "bomb");
+            }
+        }
+        else {
+            if (!tryMove(pixel, pixel.x, pixel.y+1)) {
+                // tryMove again to the bottom left or bottom right
+                tryMove(pixel, pixel.x+(Math.random() < 0.5 ? -1 : 1), pixel.y+1);
+            }
+        }
+        doDefaults(pixel);
+    },
+    burn: 90,
+    burnTime: 100,
+    density: 2000,
+    conduct: 1,
+    state: "solid",
+    category: "weapons"
+},
+elements.left_missile = {
+        color: "#4c4e42",
+    behavior: [
+        "XX|EX:10|XX",
+        "CR:left_missile AND EX:10|CH:fire|EX:10",
+        "M2|M1 AND EX:10|M2",
+    ],
+    category:"weapons",
+},
+elements.right_missile = {
+        color: "#4c4e42",
+    behavior: [
+        "XX|EX:10|XX",
+       "EX:10|CH:fire|EX:10 AND CR:right_missile",
+        "M2|M1 AND EX:10|M2",
+    ],
+    category:"weapons",
+};
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