diff --git a/GARbro.sln b/GARbro.sln
index fec1f4ff..1bdbb6a9 100644
--- a/GARbro.sln
+++ b/GARbro.sln
@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2013
-VisualStudioVersion = 12.0.40629.0
+VisualStudioVersion = 12.0.21005.1
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GARbro.Console", "Console\GARbro.Console.csproj", "{B966F292-431A-4D8A-A1D3-1EB45048A1D2}"
 	ProjectSection(ProjectDependencies) = postProject
@@ -32,6 +32,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Experimental", "Experimenta
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Legacy", "Legacy\Legacy.csproj", "{C79E82A8-8D32-485D-8442-2D4F71FBB5D5}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Net20", "Net20\Net20.csproj", "{73B6C693-9846-4D33-8300-A80239FCFFF9}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -75,6 +77,13 @@ Global
 		{C79E82A8-8D32-485D-8442-2D4F71FBB5D5}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{C79E82A8-8D32-485D-8442-2D4F71FBB5D5}.Prerelease|Any CPU.ActiveCfg = Prerelease|Any CPU
 		{C79E82A8-8D32-485D-8442-2D4F71FBB5D5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C79E82A8-8D32-485D-8442-2D4F71FBB5D5}.Release|Any CPU.Build.0 = Release|Any CPU
+		{73B6C693-9846-4D33-8300-A80239FCFFF9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{73B6C693-9846-4D33-8300-A80239FCFFF9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{73B6C693-9846-4D33-8300-A80239FCFFF9}.Prerelease|Any CPU.ActiveCfg = Prerelease|Any CPU
+		{73B6C693-9846-4D33-8300-A80239FCFFF9}.Prerelease|Any CPU.Build.0 = Prerelease|Any CPU
+		{73B6C693-9846-4D33-8300-A80239FCFFF9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{73B6C693-9846-4D33-8300-A80239FCFFF9}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Net20/Gx4Lib/PackageFile.cs b/Net20/Gx4Lib/PackageFile.cs
new file mode 100644
index 00000000..7ef443f1
--- /dev/null
+++ b/Net20/Gx4Lib/PackageFile.cs
@@ -0,0 +1,77 @@
+//! \file       PackageFile.cs
+//! \date       2018 Aug 30
+//! \brief      Unity GX4Lib deserializer.
+//
+// Copyright (C) 2018 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Runtime.Serialization.Formatters.Binary;
+
+namespace GameRes.Gx4Lib
+{
+    public class PackageFile
+    {
+        public PFHeader[] Deserialize (Stream input)
+        {
+            var bin = new BinaryFormatter { Binder = new Gx4TypeBinder() };
+            var index = bin.Deserialize (input) as PFHeaders;
+            if (null == index)
+                return null;
+            return index.headers;
+        }
+    }
+
+    [Serializable]
+    public class PFHeader
+    {
+        public string   FileName;
+        public long     readStartBytePos;
+        public long     ByteLength;
+    }
+
+    [Serializable]
+    public class PFHeaders
+    {
+        public PFHeader[] headers;
+    }
+
+    internal class Gx4TypeBinder : SerializationBinder
+    {
+        public override Type BindToType (string assemblyName, string typeName)
+        {
+            if ("GX4Lib" == assemblyName)
+            {
+                if (typeName.StartsWith ("GX4.PackageFile`1+PFHeaders[["))
+                {
+                    return typeof(PFHeaders);
+                }
+                else if (typeName.StartsWith ("GX4.PackageFile`1+PFHeader[["))
+                {
+                    return typeof(PFHeader);
+                }
+            }
+            return null;
+        }
+    }
+}
diff --git a/Net20/Net20.csproj b/Net20/Net20.csproj
new file mode 100644
index 00000000..7191d81b
--- /dev/null
+++ b/Net20/Net20.csproj
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{73B6C693-9846-4D33-8300-A80239FCFFF9}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>GameRes.Net20</RootNamespace>
+    <AssemblyName>Net20</AssemblyName>
+    <TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>..\bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <BaseAddress>301989888</BaseAddress>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>..\bin\Release\</OutputPath>
+    <DefineConstants>
+    </DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <BaseAddress>301989888</BaseAddress>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Prerelease|AnyCPU'">
+    <OutputPath>..\bin\Prerelease\</OutputPath>
+    <Optimize>true</Optimize>
+    <BaseAddress>301989888</BaseAddress>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Gx4Lib\PackageFile.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup />
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
\ No newline at end of file
diff --git a/Net20/Properties/AssemblyInfo.cs b/Net20/Properties/AssemblyInfo.cs
new file mode 100644
index 00000000..ed5a0b83
--- /dev/null
+++ b/Net20/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("Net20")]
+[assembly: AssemblyDescription (".NET 2.0 dependent classes")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany ("mørkt")]
+[assembly: AssemblyProduct("Net20")]
+[assembly: AssemblyCopyright ("Copyright © 2018 mørkt")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("a4cd3bdc-84d5-41aa-baa8-fcba0de9c8ac")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/Net20/README.md b/Net20/README.md
new file mode 100644
index 00000000..bf0c8135
--- /dev/null
+++ b/Net20/README.md
@@ -0,0 +1,4 @@
+GameRes.Net20
+=============
+
+Package containing classes that require .NET 2.0 environment.