diff --git a/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Data/IModConfigInfo.cs b/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Data/IModConfigInfo.cs
new file mode 100644
index 0000000000..c815e97854
--- /dev/null
+++ b/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Data/IModConfigInfo.cs
@@ -0,0 +1,11 @@
+using System.Collections.Immutable;
+
+namespace Barotrauma.LuaCs.Data;
+
+public partial interface IModConfigInfo
+{
+    /// <summary>
+    /// Collection of loadable styles data.
+    /// </summary>
+    ImmutableArray<IStylesResourceInfo> StylesResourceInfos { get; }
+}
diff --git a/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Data/IStylesResourceInfo.cs b/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Data/IStylesResourceInfo.cs
index 3f8747340b..10933583ae 100644
--- a/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Data/IStylesResourceInfo.cs
+++ b/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Data/IStylesResourceInfo.cs
@@ -1,3 +1,3 @@
 namespace Barotrauma.LuaCs.Data;
 
-public interface IStylesResourceInfo : IResourceInfo, IResourceCultureInfo { }
+public interface IStylesResourceInfo : IResourceInfo, IResourceCultureInfo, ILazyLoadableResourceInfo, IPackageDependenciesInfo { }
diff --git a/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Data/ModConfigInfo.cs b/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Data/ModConfigInfo.cs
new file mode 100644
index 0000000000..a3b9c8a4cd
--- /dev/null
+++ b/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Data/ModConfigInfo.cs
@@ -0,0 +1,8 @@
+using System.Collections.Immutable;
+
+namespace Barotrauma.LuaCs.Data;
+
+public readonly partial struct ModConfigInfo : IModConfigInfo
+{
+    public ImmutableArray<IStylesResourceInfo> StylesResourceInfos { get; init; }
+}
diff --git a/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Services/PackageService.cs b/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Services/PackageService.cs
new file mode 100644
index 0000000000..ec110d8132
--- /dev/null
+++ b/Barotrauma/BarotraumaClient/ClientSource/LuaCs/Services/PackageService.cs
@@ -0,0 +1,29 @@
+using System;
+using Barotrauma.LuaCs.Services.Processing;
+
+namespace Barotrauma.LuaCs.Services;
+
+public partial class PackageService
+{
+    private readonly Lazy<IXmlStylesToResConverterService> _stylesConverterService;
+    
+    public PackageService(
+        Lazy<IXmlModConfigConverterService> converterService, 
+        Lazy<IXmlLegacyModConfigConverterService> legacyConfigConverterService,
+        Lazy<IXmlLocalizationResConverterService> localizationConverterService,
+        Lazy<IXmlStylesToResConverterService> stylesConverterService,
+        IStorageService storageService,
+        ILoggerService loggerService)
+    {
+        _modConfigConverterService = converterService;
+        _legacyConfigConverterService = legacyConfigConverterService;
+        _localizationConverterService = localizationConverterService;
+        _stylesConverterService = stylesConverterService;
+        _storageService = storageService;
+        _loggerService = loggerService;
+    }
+    partial void TryParsePackageClient(ContentPackage package)
+    {
+        throw new NotImplementedException();
+    }
+}
diff --git a/Barotrauma/BarotraumaServer/ServerSource/LuaCs/Services/PackageService.cs b/Barotrauma/BarotraumaServer/ServerSource/LuaCs/Services/PackageService.cs
new file mode 100644
index 0000000000..7a23776b80
--- /dev/null
+++ b/Barotrauma/BarotraumaServer/ServerSource/LuaCs/Services/PackageService.cs
@@ -0,0 +1,23 @@
+using System;
+using Barotrauma.LuaCs.Services.Processing;
+
+namespace Barotrauma.LuaCs.Services;
+
+public partial class PackageService
+{
+    public PackageService(
+        Lazy<IXmlModConfigConverterService> converterService, 
+        Lazy<IXmlLegacyModConfigConverterService> legacyConfigConverterService,
+        Lazy<IXmlLocalizationResConverterService> localizationConverterService,
+        IStorageService storageService,
+        ILoggerService loggerService)
+    {
+        _modConfigConverterService = converterService;
+        _legacyConfigConverterService = legacyConfigConverterService;
+        _localizationConverterService = localizationConverterService;
+        _storageService = storageService;
+        _loggerService = loggerService;
+    }
+    // No implementation
+    partial void TryParsePackageClient(ContentPackage package) {}
+}
diff --git a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/IBaseInfoDefinitions.cs b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/IBaseInfoDefinitions.cs
index a1eaba9a7c..42fb22e1a8 100644
--- a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/IBaseInfoDefinitions.cs
+++ b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/IBaseInfoDefinitions.cs
@@ -39,3 +39,17 @@ public interface IResourceCultureInfo
     /// </summary>
     ImmutableArray<CultureInfo> SupportedCultures { get; init; }
 }
+
+
+public interface ILazyLoadableResourceInfo
+{
+    /// <summary>
+    /// The name that will be used when trying to reference this resource for execution or loading.
+    /// </summary>
+    public string InternalName { get; }
+    
+    /// <summary>
+    /// Should this be compiled/loaded immediately or stored until demanded.
+    /// </summary>
+    public bool LazyLoad { get; }
+}
diff --git a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/IModConfigInfo.cs b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/IModConfigInfo.cs
index ace21f7964..af902b60f6 100644
--- a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/IModConfigInfo.cs
+++ b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/IModConfigInfo.cs
@@ -2,7 +2,7 @@
 
 namespace Barotrauma.LuaCs.Data;
 
-public interface IModConfigInfo : IPackageDependenciesInfo, IResourceCultureInfo
+public partial interface IModConfigInfo : IPackageDependenciesInfo, IResourceCultureInfo
 {
     // package info
     ContentPackage Package { get; }
diff --git a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/IResourceInfoDefinitions.cs b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/IResourceInfoDefinitions.cs
index be2ce7a8ac..cd8e1ee3ae 100644
--- a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/IResourceInfoDefinitions.cs
+++ b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/IResourceInfoDefinitions.cs
@@ -6,8 +6,11 @@ namespace Barotrauma.LuaCs.Data;
 public interface IConfigResourceInfo : IResourceInfo, IResourceCultureInfo, IPackageDependenciesInfo { }
 public interface IConfigProfileResourceInfo : IResourceInfo, IResourceCultureInfo, IPackageDependenciesInfo { }
 public interface ILocalizationResourceInfo : IResourceInfo, IResourceCultureInfo, IPackageDependenciesInfo { }
-
-public interface IAssemblyResourceInfo : IResourceInfo, IResourceCultureInfo, IPackageDependenciesInfo
+/// <summary>
+/// Represents loadable Lua files.
+/// </summary>
+public interface ILuaResourceInfo : IResourceInfo, IResourceCultureInfo, IPackageDependenciesInfo, ILazyLoadableResourceInfo { }
+public interface IAssemblyResourceInfo : IResourceInfo, IResourceCultureInfo, IPackageDependenciesInfo, ILazyLoadableResourceInfo
 {
     /// <summary>
     /// The friendly name of the assembly. Script files belonging to the same assembly should all have the same name.
@@ -18,8 +21,4 @@ public interface IAssemblyResourceInfo : IResourceInfo, IResourceCultureInfo, IP
     /// Is this entry referring to a script file collection.
     /// </summary>
     public bool IsScript { get; }
-    /// <summary>
-    /// Should this be compiled/loaded immediately or stored until demanded.
-    /// </summary>
-    public bool LazyLoad { get; }
 }
diff --git a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/ModConfigInfo.cs b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/ModConfigInfo.cs
index 3fc2bd74f8..4aa3818330 100644
--- a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/ModConfigInfo.cs
+++ b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Data/ModConfigInfo.cs
@@ -2,12 +2,14 @@
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Globalization;
+using System.Runtime.InteropServices;
 
 namespace Barotrauma.LuaCs.Data;
 
 #region ModConfigurationInfo
 
-public readonly struct ModConfigInfo : IModConfigInfo
+[StructLayout(LayoutKind.Auto)] // because we have a partial readonly struct
+public readonly partial struct ModConfigInfo : IModConfigInfo
 {
     public ContentPackage Package { get; init; }
     public string PackageName { get; init; }
@@ -28,6 +30,7 @@ namespace Barotrauma.LuaCs.Data;
 {
     public string FriendlyName { get; init; }
     public bool IsScript { get; init; }
+    public string InternalName { get; init; }
     public bool LazyLoad { get; init; }
     public Platform SupportedPlatforms { get; init; }
     public Target SupportedTargets { get; init; }
@@ -55,4 +58,15 @@ namespace Barotrauma.LuaCs.Data;
     public ImmutableArray<IPackageDependencyInfo> Dependencies { get; init; }
 }
 
+public readonly struct LuaScriptResourceInfo : ILuaResourceInfo
+{
+    public Platform SupportedPlatforms { get; init; }
+    public Target SupportedTargets { get; init; }
+    public ImmutableArray<string> FilePaths { get; init; }
+    public ImmutableArray<CultureInfo> SupportedCultures { get; init; }
+    public ImmutableArray<IPackageDependencyInfo> Dependencies { get; init; }
+    public string InternalName { get; init; }
+    public bool LazyLoad { get; init; }
+}
+
 #endregion
diff --git a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Plugins/CsPackageManager.cs b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Plugins/CsPackageManager.cs
index 4015e882e2..a23d70f7b1 100644
--- a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Plugins/CsPackageManager.cs
+++ b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Plugins/CsPackageManager.cs
@@ -150,23 +150,23 @@ public bool LuaTryRegisterPackageTypes(string name, bool caseSensitive = false)
     #endregion
     
     /// <summary>
-    /// Whether or not assemblies have been loaded.
+    /// Whether assemblies have been loaded.
     /// </summary>
     public bool AssembliesLoaded { get; private set; }
     
     
     /// <summary>
-    /// Whether or not loaded plugins had their preloader run.
+    /// Whether loaded plugins had their preloader run.
     /// </summary>
     public bool PluginsPreInit { get; private set; }
     
     /// <summary>
-    /// Whether or not plugins' types have been instantiated.
+    /// Whether plugins' types have been instantiated.
     /// </summary>
     public bool PluginsInitialized { get; private set; }
 
     /// <summary>
-    /// Whether or not plugins are fully loaded.
+    /// Whether plugins are fully loaded.
     /// </summary>
     public bool PluginsLoaded { get; private set; }
 
@@ -967,7 +967,7 @@ private static bool TryBuildDependenciesMap(ImmutableList<ContentPackage> packag
     /// <param name="cannotLoadPackages">Packages with errors or cyclic dependencies. Element is error message. Null if empty.</param>
     /// <param name="packageChecksPredicate">Optional: Allows for a custom checks to be performed on each package.
     /// Returns a bool indicating if the package is ready to load.</param>
-    /// <returns>Whether or not the process produces a usable list.</returns>
+    /// <returns>Whether the process produces a usable list.</returns>
     private static bool OrderAndFilterPackagesByDependencies(
         Dictionary<ContentPackage, ImmutableList<ContentPackage>> packages,
         out IEnumerable<ContentPackage> readyToLoad,
diff --git a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/IContentPackageService.cs b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/IContentPackageService.cs
index c4d1502f2d..ed07eb263b 100644
--- a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/IContentPackageService.cs
+++ b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/IContentPackageService.cs
@@ -1,12 +1,13 @@
-using Barotrauma.LuaCs.Data;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using Barotrauma.LuaCs.Data;
 
 namespace Barotrauma.LuaCs.Services;
 
 public interface IContentPackageService : IService
 {
-    bool TryLoadPackageData(ContentPackage package);
-    ModConfigInfo GetModConfigData();
-    ContentPackage TryFindPackage(string packageName, bool prioritizeLocal = true);
-    ContentPackage TryFindPackage(int steamId);
-    ContentPath GetContentPath();
+    bool TryParsePackage(ContentPackage package);
+    ContentPackage Package { get; }
+    IModConfigInfo ModConfigInfo { get; }
 }
+
diff --git a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/IPackageManagementService.cs b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/IPackageManagementService.cs
new file mode 100644
index 0000000000..8c5f8a1183
--- /dev/null
+++ b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/IPackageManagementService.cs
@@ -0,0 +1,6 @@
+namespace Barotrauma.LuaCs.Services;
+
+public interface IPackageManagementService : IService
+{
+    
+}
diff --git a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/IStorageService.cs b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/IStorageService.cs
index b44a7a2009..63fc670933 100644
--- a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/IStorageService.cs
+++ b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/IStorageService.cs
@@ -1,9 +1,33 @@
-using System.Xml.Linq;
+using System.Collections.Immutable;
+using System.Xml.Linq;
 
 namespace Barotrauma.LuaCs.Services;
 
 public interface IStorageService : IService
 {
+    #region LocalGameData
+
+    bool TryLoadLocalXml(ContentPackage package, string localFilePath, out XDocument document);
+    bool TryLoadLocalBinary(ContentPackage package, string localFilePath, out byte[] bytes);
+    bool TryLoadLocalText(ContentPackage package, string localFilePath, out string text);
+
+    #endregion
+    
+    #region ContentPackageData
+    bool TryLoadPackageXml(ContentPackage package, string localFilePath, out XDocument document);
+    bool TryLoadPackageBinary(ContentPackage package, string localFilePath, out byte[] bytes);
+    bool TryLoadPackageText(ContentPackage package, string localFilePath, out string text);
+    
+    ImmutableArray<bool> TryLoadPackageXmlFiles(ContentPackage package, ImmutableArray<string> localFilePath, out ImmutableArray<XDocument> document);
+    ImmutableArray<bool> TryLoadPackageBinaryFiles(ContentPackage package, ImmutableArray<string> localFilePath, out ImmutableArray<byte[]> bytes);
+    ImmutableArray<bool> TryLoadPackageTextFiles(ContentPackage package, ImmutableArray<string> localFilePath, out ImmutableArray<string> text);
+
+    bool FindFilesInPackage(ContentPackage package, string localSubfolder, string regexFilter, bool searchRecursively, out ImmutableArray<string> localFilePaths);
+    
+    #endregion
+    
+    #region AbsolutePaths
+
     bool TryLoadXml(string filePath, out XDocument document);
     bool TrySaveXml(string filePath, in XDocument document);
     bool TryLoadBinary(string filePath, out byte[] bytes);
@@ -11,4 +35,6 @@ public interface IStorageService : IService
     bool TryLoadText(string filePath, out string text);
     bool TrySaveText(string filePath, string text);
     bool FileExists(string filePath);
+
+    #endregion
 }
diff --git a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/PackageManagementService.cs b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/PackageManagementService.cs
new file mode 100644
index 0000000000..f6b5b456ce
--- /dev/null
+++ b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/PackageManagementService.cs
@@ -0,0 +1,18 @@
+using System;
+
+namespace Barotrauma.LuaCs.Services;
+
+public class PackageManagementService : IPackageManagementService
+{
+    private Func<IContentPackageService> GetPackageServiceInstance { get; init; }
+
+    public PackageManagementService(Func<IContentPackageService> getPackageService)
+    {
+        this.GetPackageServiceInstance = getPackageService;
+    }
+    
+    public void Dispose()
+    {
+        throw new System.NotImplementedException();
+    }
+}
diff --git a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/PackageService.cs b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/PackageService.cs
new file mode 100644
index 0000000000..1c0ad2deaa
--- /dev/null
+++ b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/PackageService.cs
@@ -0,0 +1,41 @@
+using System;
+using Barotrauma.LuaCs.Data;
+using Barotrauma.LuaCs.Services.Processing;
+
+namespace Barotrauma.LuaCs.Services;
+
+public partial class PackageService : IContentPackageService
+{
+    private readonly Lazy<IXmlModConfigConverterService> _modConfigConverterService;
+    private readonly Lazy<IXmlLegacyModConfigConverterService> _legacyConfigConverterService;
+    private readonly Lazy<IXmlLocalizationResConverterService> _localizationConverterService;
+    private readonly IStorageService _storageService;
+    private readonly ILoggerService _loggerService;
+    
+    // cctor in server source and client source
+    
+    public ContentPackage Package { get; private set; }
+    
+    public IModConfigInfo ModConfigInfo { get; private set; }
+
+    public bool TryParsePackage(ContentPackage package)
+    {
+        // scan for files: modconfig.xml
+        
+        // on fail, scan and try for legacy loading
+        
+        // load resources info for: config, assemblies, lua files, localization
+        
+        // load styles data on clients
+        TryParsePackageClient(package);
+
+        throw new NotImplementedException();
+    }
+
+    partial void TryParsePackageClient(ContentPackage package);
+    
+    public void Dispose()
+    {
+        // TODO release managed resources here
+    }
+}
diff --git a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/Processing/IConverterServiceDefinitions.cs b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/Processing/IConverterServiceDefinitions.cs
index c34cf1224f..9d72c1572d 100644
--- a/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/Processing/IConverterServiceDefinitions.cs
+++ b/Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/Processing/IConverterServiceDefinitions.cs
@@ -34,6 +34,10 @@ public interface IXmlLocalizationResConverterService : IXmlResourceConverterServ
 #region XmlToInfoParsers
 public interface IXmlDependencyConverterService : IXmlResourceConverterService<IPackageDependencyInfo> { }
 public interface IXmlModConfigConverterService : IXmlResourceConverterService<IModConfigInfo> { }
+/// <summary>
+/// Parses legacy packages that make use of the RunConfig.xml structure to produce a ModConfig.
+/// </summary>
+public interface IXmlLegacyModConfigConverterService : IXmlResourceConverterService<IModConfigInfo> { }
 
 #endregion