diff --git a/Xbox/Catalog.cs b/Xbox/Catalog.cs
index 1ab3a6a..9b4c58b 100644
--- a/Xbox/Catalog.cs
+++ b/Xbox/Catalog.cs
@@ -5,7 +5,6 @@ namespace SabreTools.Models.Xbox
     /// <summary>
     /// Contains metadata information about XboxOne and XboxSX discs
     /// Stored in a JSON file on the disc at /MSXC/Metadata/catalog.js
-    /// TODO: Check for unknown fields or values in more catalog.js files
     /// </summary>
     [JsonObject]
     public class Catalog
@@ -50,7 +49,7 @@ namespace SabreTools.Models.Xbox
         /// Package details for the bundle itself
         /// Known fields used: ProductID, XboxProductID,
         ///     OneStoreProductID, Titles, VUI, Images
-        /// Known Versions Present: 2.0, 4.0
+        /// Known Versions Present: 2.0, 2.1, 4.0
         /// </summary>
         [JsonProperty("bundle", NullValueHandling = NullValueHandling.Ignore)]
         public Package? Bundle { get; set; }
@@ -60,7 +59,7 @@ namespace SabreTools.Models.Xbox
         /// Package name to use as launch package
         /// Before 4.0, object=Package with only ContentID filled
         /// For 4.0 onwards, object=String, representing filename
-        /// Known Versions Present: 2.0, 4.0
+        /// Known Versions Present: 2.0, 2.1, 4.0
         /// </summary>
         [JsonProperty("launchPackage", NullValueHandling = NullValueHandling.Ignore)]
         public object? LaunchPackage { get; set; }
@@ -68,7 +67,7 @@ namespace SabreTools.Models.Xbox
         /// <summary>
         /// "packages":
         /// Package details for each package on disc
-        /// Known Versions Present: 2.1, 4.0
+        /// Known Versions Present: 2.0, 2.1, 4.0
         /// </summary>
         [JsonProperty("packages")]
         public Package[]? Packages { get; set; }
@@ -81,5 +80,94 @@ namespace SabreTools.Models.Xbox
         /// </summary>
         [JsonProperty("siblings", NullValueHandling = NullValueHandling.Ignore)]
         public string[][]? Siblings { get; set; }
+
+        #region v1.0 only
+
+        // The below fields are usually present in a Package sub-field
+        // but for v1.0 catalog.js files, they are at the root Catalog object
+
+        /// <summary>
+        /// "productId":
+        /// Hex identifier for package Product ID
+        /// Known Versions Present: 1.0
+        /// Exists within Packages[].ProductID for v2.0 onwards
+        /// </summary>
+        [JsonProperty("productId", NullValueHandling = NullValueHandling.Ignore)]
+        public string? ProductID { get; set; }
+
+        /// <summary>
+        /// "contentId":
+        /// Hex content identifier
+        /// Known Versions present: 1.0
+        /// Exists within Packages[].ContentID for v2.0 onwards
+        /// </summary>
+        [JsonProperty("contentId", NullValueHandling = NullValueHandling.Ignore)]
+        public string? ContentID { get; set; }
+
+        /// <summary>
+        /// "titleId":
+        /// 8 hex character package Title ID
+        /// Known Versions Present: 1.0
+        /// Exists within Packages[].TitleID for v2.0 onwards
+        /// </summary>
+        [JsonProperty("titleId", NullValueHandling = NullValueHandling.Ignore)]
+        public string? TitleID { get; set; }
+
+        /// <summary>
+        /// "titles"
+        /// List of name of package for each locale
+        /// Known Versions Present: 1.0
+        /// Exists within Packages[].Titles for v2.0 onwards
+        /// </summary>
+        [JsonProperty("titles", NullValueHandling = NullValueHandling.Ignore)]
+        public Title[]? Titles { get; set; }
+
+        /// <summary>
+        /// "vui":
+        /// List of Voice User Interface packages titles for each locale
+        /// Known Versions Present: 1.0
+        /// Exists within Packages[].VUI for v2.0 onwards
+        /// </summary>
+        [JsonProperty("vui", NullValueHandling = NullValueHandling.Ignore)]
+        public Title[]? VUI { get; set; }
+
+        /// <summary>
+        /// "images":
+        /// List of paths to each image in MSXC/Metadata/<PackageName>/
+        /// Known Versions Present: 1.0
+        /// Exists within Packages[].Images for v2.0 onwards
+        /// </summary>
+        [JsonProperty("images", NullValueHandling = NullValueHandling.Ignore)]
+        public Image[]? Images { get; set; }
+
+        /// <summary>
+        /// "ratings":
+        /// List of package age ratings for each relevant rating system
+        /// Known Versions Present: 1.0
+        /// Exists within Packages[].Ratings for v2.0 onwards
+        /// </summary>
+        [JsonProperty("ratings", NullValueHandling = NullValueHandling.Ignore)]
+        public Rating[]? Ratings { get; set; }
+
+        /// <summary>
+        /// "size":
+        /// Size of package in bytes
+        /// Known Versions Present: 1.0
+        /// Exists within Packages[].Size for v2.0 onwards
+        /// </summary>
+        [JsonProperty("size", NullValueHandling = NullValueHandling.Ignore)]
+        public long? Size { get; set; }
+
+        /// <summary>
+        /// "type":
+        /// Package Type
+        /// Known values: "Game" (Game package), "Durable" (DLC package)
+        /// Known Versions Present: 1.0
+        /// Exists within Packages[].Type for v2.0 onwards
+        /// </summary>
+        [JsonProperty("type", NullValueHandling = NullValueHandling.Ignore)]
+        public string? Type { get; set; }
+
+        #endregion
     }
 }
diff --git a/Xbox/Package..cs b/Xbox/Package.cs
similarity index 100%
rename from Xbox/Package..cs
rename to Xbox/Package.cs