diff --git a/OpenRA.Game/GameRules/RulesetCache.cs b/OpenRA.Game/GameRules/RulesetCache.cs
index 93ea54c438..d15aed6600 100644
--- a/OpenRA.Game/GameRules/RulesetCache.cs
+++ b/OpenRA.Game/GameRules/RulesetCache.cs
@@ -112,7 +112,7 @@ namespace OpenRA
 				return t;
 			};
 
-			var tree = MiniYaml.Merge(files.Select(MiniYaml.FromFile).Append(nodes))
+			var tree = MiniYaml.Merge(files.Select(s => MiniYaml.FromStream(modData.ModFiles.Open(s))).Append(nodes))
 				.ToDictionaryWithConflictLog(n => n.Key, n => n.Value, "LoadYamlRules", null, null);
 			RaiseProgress();
 
diff --git a/OpenRA.Game/Graphics/ChromeProvider.cs b/OpenRA.Game/Graphics/ChromeProvider.cs
index c26d7cb968..5b6c3be2cf 100644
--- a/OpenRA.Game/Graphics/ChromeProvider.cs
+++ b/OpenRA.Game/Graphics/ChromeProvider.cs
@@ -25,7 +25,7 @@ namespace OpenRA.Graphics
 		static Dictionary<string, Sheet> cachedSheets;
 		static Dictionary<string, Dictionary<string, Sprite>> cachedSprites;
 
-		public static void Initialize(IEnumerable<string> chromeFiles)
+		public static void Initialize(ModData modData)
 		{
 			Deinitialize();
 
@@ -33,7 +33,9 @@ namespace OpenRA.Graphics
 			cachedSheets = new Dictionary<string, Sheet>();
 			cachedSprites = new Dictionary<string, Dictionary<string, Sprite>>();
 
-			var chrome = MiniYaml.Merge(chromeFiles.Select(MiniYaml.FromFile));
+			var chrome = MiniYaml.Merge(modData.Manifest.Chrome
+				.Select(s => MiniYaml.FromStream(modData.ModFiles.Open(s))));
+
 			foreach (var c in chrome)
 				LoadCollection(c.Key, c.Value);
 		}
diff --git a/OpenRA.Game/Graphics/CursorProvider.cs b/OpenRA.Game/Graphics/CursorProvider.cs
index ed4b6d8f94..1d69d65f1c 100644
--- a/OpenRA.Game/Graphics/CursorProvider.cs
+++ b/OpenRA.Game/Graphics/CursorProvider.cs
@@ -21,11 +21,12 @@ namespace OpenRA.Graphics
 
 		public CursorProvider(ModData modData)
 		{
-			var sequences = new MiniYaml(null, MiniYaml.Merge(modData.Manifest.Cursors.Select(MiniYaml.FromFile)));
+			var sequenceYaml = MiniYaml.Merge(modData.Manifest.Cursors.Select(
+				s => MiniYaml.FromStream(modData.ModFiles.Open(s))));
 
 			var shadowIndex = new int[] { };
 
-			var nodesDict = sequences.ToDictionary();
+			var nodesDict = new MiniYaml(null, sequenceYaml).ToDictionary();
 			if (nodesDict.ContainsKey("ShadowIndex"))
 			{
 				Array.Resize(ref shadowIndex, shadowIndex.Length + 1);
diff --git a/OpenRA.Game/Graphics/SequenceProvider.cs b/OpenRA.Game/Graphics/SequenceProvider.cs
index 5125fc12da..ce8ebd460e 100644
--- a/OpenRA.Game/Graphics/SequenceProvider.cs
+++ b/OpenRA.Game/Graphics/SequenceProvider.cs
@@ -123,7 +123,10 @@ namespace OpenRA.Graphics
 
 		Sequences Load(List<MiniYamlNode> sequenceNodes)
 		{
-			var nodes = MiniYaml.Merge(modData.Manifest.Sequences.Select(MiniYaml.FromFile).Append(sequenceNodes));
+			var nodes = MiniYaml.Merge(modData.Manifest.Sequences
+				.Select(s => MiniYaml.FromStream(modData.ModFiles.Open(s)))
+				.Append(sequenceNodes));
+
 			var items = new Dictionary<string, UnitSequences>();
 			foreach (var n in nodes)
 			{
diff --git a/OpenRA.Game/Graphics/VoxelProvider.cs b/OpenRA.Game/Graphics/VoxelProvider.cs
index 3a3b068776..87e8131c55 100644
--- a/OpenRA.Game/Graphics/VoxelProvider.cs
+++ b/OpenRA.Game/Graphics/VoxelProvider.cs
@@ -19,11 +19,13 @@ namespace OpenRA.Graphics
 	{
 		static Dictionary<string, Dictionary<string, Voxel>> units;
 
-		public static void Initialize(string[] voxelFiles, List<MiniYamlNode> voxelNodes)
+		public static void Initialize(ModData modData, string[] voxelFiles, List<MiniYamlNode> voxelNodes)
 		{
 			units = new Dictionary<string, Dictionary<string, Voxel>>();
 
-			var sequences = MiniYaml.Merge(voxelFiles.Select(MiniYaml.FromFile));
+			var sequences = MiniYaml.Merge(voxelFiles.Select(
+				s => MiniYaml.FromStream(modData.ModFiles.Open(s))));
+
 			foreach (var s in sequences)
 				LoadVoxelsForUnit(s.Key, s.Value);
 
diff --git a/OpenRA.Game/Map/TileSet.cs b/OpenRA.Game/Map/TileSet.cs
index 4d0a47bd90..67e0ca3927 100644
--- a/OpenRA.Game/Map/TileSet.cs
+++ b/OpenRA.Game/Map/TileSet.cs
@@ -193,7 +193,7 @@ namespace OpenRA
 
 		public TileSet(ModData modData, string filepath)
 		{
-			var yaml = MiniYaml.DictFromFile(filepath);
+			var yaml = MiniYaml.DictFromStream(modData.ModFiles.Open(filepath));
 
 			// General info
 			FieldLoader.Load(this, yaml["General"]);
diff --git a/OpenRA.Game/ModData.cs b/OpenRA.Game/ModData.cs
index 8e36fb8717..e6ad5fd73f 100644
--- a/OpenRA.Game/ModData.cs
+++ b/OpenRA.Game/ModData.cs
@@ -92,8 +92,8 @@ namespace OpenRA
 		{
 			// all this manipulation of static crap here is nasty and breaks
 			// horribly when you use ModData in unexpected ways.
-			ChromeMetrics.Initialize(Manifest.ChromeMetrics);
-			ChromeProvider.Initialize(Manifest.Chrome);
+			ChromeMetrics.Initialize(this);
+			ChromeProvider.Initialize(this);
 
 			if (VoxelLoader != null)
 				VoxelLoader.Dispose();
@@ -130,7 +130,9 @@ namespace OpenRA
 				return;
 			}
 
-			var yaml = MiniYaml.Merge(Manifest.Translations.Select(MiniYaml.FromFile).Append(map.TranslationDefinitions));
+			var yaml = MiniYaml.Merge(Manifest.Translations
+				.Select(t => MiniYaml.FromStream(ModFiles.Open(t)))
+				.Append(map.TranslationDefinitions));
 			Languages = yaml.Select(t => t.Key).ToArray();
 
 			foreach (var y in yaml)
@@ -185,7 +187,7 @@ namespace OpenRA
 				foreach (var entry in map.Rules.Music)
 					entry.Value.Load();
 
-			VoxelProvider.Initialize(Manifest.VoxelSequences, map.VoxelSequenceDefinitions);
+			VoxelProvider.Initialize(this, Manifest.VoxelSequences, map.VoxelSequenceDefinitions);
 			VoxelLoader.Finish();
 
 			return map;
diff --git a/OpenRA.Game/Widgets/ChromeMetrics.cs b/OpenRA.Game/Widgets/ChromeMetrics.cs
index 34e3e5ad38..acfb8da59d 100644
--- a/OpenRA.Game/Widgets/ChromeMetrics.cs
+++ b/OpenRA.Game/Widgets/ChromeMetrics.cs
@@ -17,11 +17,11 @@ namespace OpenRA.Widgets
 	{
 		static Dictionary<string, string> data = new Dictionary<string, string>();
 
-		public static void Initialize(IEnumerable<string> yaml)
+		public static void Initialize(ModData modData)
 		{
 			data = new Dictionary<string, string>();
-
-			var metrics = MiniYaml.Merge(yaml.Select(MiniYaml.FromFile));
+			var metrics = MiniYaml.Merge(modData.Manifest.ChromeMetrics.Select(
+				y => MiniYaml.FromStream(modData.ModFiles.Open(y))));
 			foreach (var m in metrics)
 				foreach (var n in m.Value.Nodes)
 					data[n.Key] = n.Value.Value;
diff --git a/OpenRA.Game/Widgets/RootWidget.cs b/OpenRA.Game/Widgets/RootWidget.cs
index c6cabcbd68..47860c5455 100644
--- a/OpenRA.Game/Widgets/RootWidget.cs
+++ b/OpenRA.Game/Widgets/RootWidget.cs
@@ -27,7 +27,7 @@ namespace OpenRA.Widgets
 
 				if (hk == Game.Settings.Keys.DevReloadChromeKey)
 				{
-					ChromeProvider.Initialize(Game.ModData.Manifest.Chrome);
+					ChromeProvider.Initialize(Game.ModData);
 					return true;
 				}
 
diff --git a/OpenRA.Game/Widgets/WidgetLoader.cs b/OpenRA.Game/Widgets/WidgetLoader.cs
index 6c79da7ed9..6a9e7db967 100644
--- a/OpenRA.Game/Widgets/WidgetLoader.cs
+++ b/OpenRA.Game/Widgets/WidgetLoader.cs
@@ -24,7 +24,7 @@ namespace OpenRA
 		{
 			this.modData = modData;
 
-			foreach (var file in modData.Manifest.ChromeLayout.Select(a => MiniYaml.FromFile(a)))
+			foreach (var file in modData.Manifest.ChromeLayout.Select(a => MiniYaml.FromStream(modData.ModFiles.Open(a))))
 				foreach (var w in file)
 				{
 					var key = w.Key.Substring(w.Key.IndexOf('@') + 1);
diff --git a/OpenRA.Mods.Common/Widgets/Logic/MissionBrowserLogic.cs b/OpenRA.Mods.Common/Widgets/Logic/MissionBrowserLogic.cs
index 2cb94c94ef..b87ce9c3d7 100644
--- a/OpenRA.Mods.Common/Widgets/Logic/MissionBrowserLogic.cs
+++ b/OpenRA.Mods.Common/Widgets/Logic/MissionBrowserLogic.cs
@@ -95,7 +95,9 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 			// Add a group for each campaign
 			if (modData.Manifest.Missions.Any())
 			{
-				var yaml = MiniYaml.Merge(modData.Manifest.Missions.Select(MiniYaml.FromFile));
+				var yaml = MiniYaml.Merge(modData.Manifest.Missions.Select(
+					m => MiniYaml.FromStream(modData.ModFiles.Open(m))));
+
 				foreach (var kv in yaml)
 				{
 					var missionMapPaths = kv.Value.Nodes.Select(n => Path.GetFullPath(n.Key)).ToList();