diff --git a/cscz/ClassGenerator.cs b/cscz/ClassGenerator.cs
index 8faa3f5..6a30dff 100644
--- a/cscz/ClassGenerator.cs
+++ b/cscz/ClassGenerator.cs
@@ -24,7 +24,12 @@ namespace cscz
 			{ "cc", "System.Collections.Concurrent" },
 			{ "r", "System.Text.RegularExpressions" },
 			{ "n", "System.Net" },
-			{ "s", "System.Net.Sockets" }
+			{ "s", "System.Net.Sockets" },
+			{ "x", "Microsoft.Xna.Framework" },
+			{ "xg", "Microsoft.Xna.Framework.Graphics" },
+			{ "xs", "Microsoft.Xna.Framework.Storage" },
+			{ "xi", "Microsoft.Xna.Framework.Input" },
+			{ "oo", "OpenTK.Graphics.OpenGL" },
 		};
 
 		/// <summary>