diff --git a/OpenRa.FileFormats/Exts.cs b/OpenRa.FileFormats/Exts.cs
new file mode 100644
index 0000000000..a2781f0318
--- /dev/null
+++ b/OpenRa.FileFormats/Exts.cs
@@ -0,0 +1,11 @@
+
+namespace OpenRa.FileFormats
+{
+	public static class Exts
+	{
+		public static string F(this string fmt, params object[] args)
+		{
+			return string.Format(fmt, args);
+		}
+	}
+}
diff --git a/OpenRa.Game/GameRules/FieldLoader.cs b/OpenRa.FileFormats/FieldLoader.cs
old mode 100755
new mode 100644
similarity index 91%
rename from OpenRa.Game/GameRules/FieldLoader.cs
rename to OpenRa.FileFormats/FieldLoader.cs
index 919edd5d39..ccd4efd2ef
--- a/OpenRa.Game/GameRules/FieldLoader.cs
+++ b/OpenRa.FileFormats/FieldLoader.cs
@@ -1,11 +1,9 @@
 using System;
 using System.Linq;
-using OpenRa.FileFormats;
-using System.Collections.Generic;
 
-namespace OpenRa.Game.GameRules
+namespace OpenRa.FileFormats
 {
-	static class FieldLoader
+	public static class FieldLoader
 	{
 		public static void Load(object self, IniSection ini)
 		{
diff --git a/OpenRa.FileFormats/OpenRa.FileFormats.csproj b/OpenRa.FileFormats/OpenRa.FileFormats.csproj
index 5c8fd2cd1b..7e9d06b0c7 100644
--- a/OpenRa.FileFormats/OpenRa.FileFormats.csproj
+++ b/OpenRa.FileFormats/OpenRa.FileFormats.csproj
@@ -48,6 +48,8 @@
     <Compile Include="Blowfish.cs" />
     <Compile Include="BlowfishKeyProvider.cs" />
     <Compile Include="Dune2ShpReader.cs" />
+    <Compile Include="Exts.cs" />
+    <Compile Include="FieldLoader.cs" />
     <Compile Include="FileSystem.cs" />
     <Compile Include="Folder.cs" />
     <Compile Include="Format2.cs" />
diff --git a/OpenRa.Game/Chrome.cs b/OpenRa.Game/Chrome.cs
index 596fcd6011..a5eca45aed 100644
--- a/OpenRa.Game/Chrome.cs
+++ b/OpenRa.Game/Chrome.cs
@@ -3,7 +3,7 @@ using System.Collections.Generic;
 using System.Drawing;
 using System.Linq;
 using IjwFramework.Types;
-using OpenRa.Game.GameRules;
+using OpenRa.FileFormats;
 using OpenRa.Game.Graphics;
 using OpenRa.Game.Orders;
 using OpenRa.Game.Support;
diff --git a/OpenRa.Game/Effects/Corpse.cs b/OpenRa.Game/Effects/Corpse.cs
index 2e89a40d7b..cfa253ccdf 100755
--- a/OpenRa.Game/Effects/Corpse.cs
+++ b/OpenRa.Game/Effects/Corpse.cs
@@ -1,7 +1,5 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
+using System.Collections.Generic;
+using OpenRa.FileFormats;
 using OpenRa.Game.Graphics;
 using OpenRa.Game.Traits;
 
diff --git a/OpenRa.Game/Exts.cs b/OpenRa.Game/Exts.cs
index 25c746a325..179fd8e5a5 100644
--- a/OpenRa.Game/Exts.cs
+++ b/OpenRa.Game/Exts.cs
@@ -1,6 +1,4 @@
-
-using System.Windows.Forms;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Linq;
 using OpenRa.Game.GameRules;
 using OpenRa.Game.Traits;
@@ -9,11 +7,6 @@ namespace OpenRa.Game
 {
 	static class Exts
 	{
-		public static string F(this string fmt, params object[] args)
-		{
-			return string.Format(fmt, args);
-		}
-
 		public static bool HasModifier(this Modifiers k, Modifiers mod)
 		{
 			return (k & mod) == mod;
diff --git a/OpenRa.Game/GameRules/Rules.cs b/OpenRa.Game/GameRules/Rules.cs
index 8822a908bc..d3f741d546 100755
--- a/OpenRa.Game/GameRules/Rules.cs
+++ b/OpenRa.Game/GameRules/Rules.cs
@@ -4,7 +4,6 @@ using System.Linq;
 using IjwFramework.Types;
 using OpenRa.FileFormats;
 using OpenRa.Game.GameRules;
-using OpenRa.Game.Traits;
 
 namespace OpenRa.Game
 {
diff --git a/OpenRa.Game/OpenRa.Game.csproj b/OpenRa.Game/OpenRa.Game.csproj
index 4bf279b6a5..08c2bf2686 100644
--- a/OpenRa.Game/OpenRa.Game.csproj
+++ b/OpenRa.Game/OpenRa.Game.csproj
@@ -153,7 +153,6 @@
     <Compile Include="Controller.cs" />
     <Compile Include="Cursor.cs" />
     <Compile Include="Effects\Explosion.cs" />
-    <Compile Include="GameRules\FieldLoader.cs" />
     <Compile Include="GameRules\Footprint.cs" />
     <Compile Include="GameRules\InfoLoader.cs" />
     <Compile Include="GameRules\ProjectileInfo.cs" />
diff --git a/OpenRa.Game/Orders/UnitOrders.cs b/OpenRa.Game/Orders/UnitOrders.cs
index 8426610329..791aa50d5c 100644
--- a/OpenRa.Game/Orders/UnitOrders.cs
+++ b/OpenRa.Game/Orders/UnitOrders.cs
@@ -1,4 +1,5 @@
 using System.Drawing;
+using OpenRa.FileFormats;
 using OpenRa.Game.GameRules;
 using OpenRa.Game.Graphics;
 using OpenRa.Game.Traits;
diff --git a/OpenRa.Game/Sync.cs b/OpenRa.Game/Sync.cs
index 607dc5a509..d7d4020888 100755
--- a/OpenRa.Game/Sync.cs
+++ b/OpenRa.Game/Sync.cs
@@ -1,10 +1,9 @@
 using System;
-using System.Collections.Generic;
 using System.Linq;
-using System.Text;
 using System.Reflection;
 using System.Reflection.Emit;
 using IjwFramework.Collections;
+using OpenRa.FileFormats;
 
 namespace OpenRa.Game
 {