Index: binaries/data/mods/public/globalscripts/DamageTypes.js
===================================================================
--- binaries/data/mods/public/globalscripts/DamageTypes.js
+++ binaries/data/mods/public/globalscripts/DamageTypes.js
@@ -1,22 +1,61 @@
+/**
+ * This class provides a cache to all damage type names and properties defined by the JSON files.
+ */
 function DamageTypes()
 {
-	// TODO: load these from files
+	this.damageTypeData = [];
+	this.damageTypeDataObj = {};
+	this.damageTypeCodes = [];
+	this.damageTypeNames = {};
 
-	this.names = {
-		"Hack": markForTranslationWithContext("damage type", "Hack"),
-		"Pierce": markForTranslationWithContext("damage type", "Pierce"),
-		"Crush": markForTranslationWithContext("damage type", "Crush"),
-	};
+	for (let filename of Engine.ListDirectoryFiles("simulation/data/damagetypes/", "*.json", false))
+	{
+		let data = Engine.ReadJSONFile(filename);
+		if (!data)
+			continue;
 
-	deepfreeze(this.names);
+		if (data.code != data.code.toLowerCase())
+			warn("Damage type codes should use lower case: " + data.code);
+
+		this.damageTypeData.push(data);
+		this.damageTypeDataObj[data.code] = data;
+		this.damageTypeCodes.push(data.code);
+		this.damageTypeNames[data.code] = markForTranslationWithContext("damage type", data.name);
+		for (let subtype in data.subtypes)
+			this.damageTypeNames[subtype] = data.subtypes[subtype];
+	}
+
+	// Sort arrays by specified order
+	let typeSort = (a, b) =>
+		a.order < b.order ? -1 :
+		a.order > b.order ? +1 : 0;
+
+	this.damageTypeData.sort(typeSort);
+	this.damageTypeCodes.sort((a, b) => typeSort(
+		this.damageTypeData.find(damageType => damageType.code == a),
+		this.damageTypeData.find(damageType => damageType.code == b)
+	));
+
+	deepfreeze(this.damageTypeData);
+	deepfreeze(this.damageTypeDataObj);
+	deepfreeze(this.damageTypeCodes);
+	deepfreeze(this.damageTypeNames);
 }
 
+/**
+ * Returns an object mapping resource codes to translatable resource names. Includes subtypes.
+ * @return {object}	- data of the form { "hack": "Hack", "melee": "Melee", "ranged": "Ranged", "pierce": "Pierce", ... }
+ */
 DamageTypes.prototype.GetNames = function()
 {
-	return this.names;
+	return this.damageTypeNames;
 };
 
+/**
+ * Returns an array containing all damage type codes ordered as defined in the resource files.
+ * @return {string[]}	- data of the form [ "hack", "pierce", ... ]
+ */
 DamageTypes.prototype.GetTypes = function()
 {
-	return Object.keys(this.names);
+	return this.damageTypeCodes;
 };
Index: binaries/data/mods/public/simulation/data/damagetypes/crush.json
===================================================================
--- /dev/null
+++ binaries/data/mods/public/simulation/data/damagetypes/crush.json
@@ -0,0 +1,10 @@
+{
+	"code": "Crush",
+	"name": "Crush",
+	"description": "...",
+	"order": 3,
+	"subtypes": {
+		"melee": "Melee",
+		"ranged": "ranged"
+	}
+}
Index: binaries/data/mods/public/simulation/data/damagetypes/hack.json
===================================================================
--- /dev/null
+++ binaries/data/mods/public/simulation/data/damagetypes/hack.json
@@ -0,0 +1,9 @@
+{
+	"code": "Hack",
+	"name": "Hack",
+	"description": "...",
+	"order": 1,
+	"subtypes": {
+		"melee": "Melee"
+	}
+}
Index: binaries/data/mods/public/simulation/data/damagetypes/pierce.json
===================================================================
--- /dev/null
+++ binaries/data/mods/public/simulation/data/damagetypes/pierce.json
@@ -0,0 +1,10 @@
+{
+	"code": "Pierce",
+	"name": "Pierce",
+	"description": "...",
+	"order": 2,
+	"subtypes": {
+		"melee": "Melee",
+		"ranged": "ranged"
+	}
+}