diff --git a/mods/cold_gas.js b/mods/cold_gas.js
new file mode 100644
index 00000000..e4253c73
--- /dev/null
+++ b/mods/cold_gas.js
@@ -0,0 +1,22 @@
+// use american spelling
+elements.cold_gas = {
+    color: "#80a3e0",
+    behavior: behaviors.GAS,
+    category: "cold",
+    state: "gas",
+    temp: -273,
+    tempHigh:-200,
+    stateHigh:"cold_liquid"
+}
+elements.cold_liquid = {
+    color: "#80a3e0",
+    behavior: behaviors.LIQUID,
+    category: "cold",
+    state: "liquid",
+    temp: -200,
+    tempLow: -150,
+    stateLow: "cold_gas",
+    tick: function(pixel){
+        changePixel(pixel,"cold_gas")
+    }
+}
\ No newline at end of file