diff --git a/src/Discord.Net.Core/Entities/Activities/IActivity.cs b/src/Discord.Net.Core/Entities/Activities/IActivity.cs
index ac0c1b5d7..f806d4283 100644
--- a/src/Discord.Net.Core/Entities/Activities/IActivity.cs
+++ b/src/Discord.Net.Core/Entities/Activities/IActivity.cs
@@ -19,5 +19,37 @@ namespace Discord
         ///     The type of activity.
         /// </returns>
         ActivityType Type { get; }
+        /// <summary>
+        ///     Gets the Stream URL. Only used when <see cref="Type"/> is <see cref="ActivityType.Streaming"/>.
+        /// </summary>
+        /// <returns>
+        ///     A string containing the URL to the stream.
+        /// </returns>
+        string Url { get; }
+        /// <summary>
+        ///     Gets the unix timestamps for the start and/or end of the activity.
+        /// </summary>
+        /// <returns>
+        ///     A <see cref="GameTimestamps"/> containing the start and end times, if specified.
+        /// </returns>
+        GameTimestamps Timestamps { get; }
+        /// <summary>
+        ///     Gets the application Id for the game.
+        /// </summary>
+        ulong ApplicationId { get; }
+        /// <summary>
+        ///     Gets what the user is currently doing.
+        /// </summary>
+        string Details { get; }
+        /// <summary>
+        ///     Gets the user's current party status.
+        /// </summary>
+        string State { get; }
+        //TODO finish docs
+        GameParty Party { get; }
+        GameAsset Assets { get; }
+        GameSecrets Secrets { get; }
+        bool Instance { get; }
+        int Flags { get; }
     }
 }
diff --git a/src/Discord.Net.Core/Entities/Users/IUser.cs b/src/Discord.Net.Core/Entities/Users/IUser.cs
index 5d7d0a0b0..745750c17 100644
--- a/src/Discord.Net.Core/Entities/Users/IUser.cs
+++ b/src/Discord.Net.Core/Entities/Users/IUser.cs
@@ -112,5 +112,15 @@ namespace Discord
         ///     contains the DM channel associated with this user.
         /// </returns>
         Task<IDMChannel> GetOrCreateDMChannelAsync(RequestOptions options = null);
+
+        /// <summary>
+        ///     The flags on a user's account
+        ///     TODO we could probably have extension methods for determining these
+        /// </summary>
+        int Flags { get; }
+        /// <summary>
+        ///     The type of Nitro subscription
+        /// </summary>
+        PremiumType? PremiumType { get; }
     }
 }
diff --git a/src/Discord.Net.Core/Entities/Users/PremiumType.cs b/src/Discord.Net.Core/Entities/Users/PremiumType.cs
new file mode 100644
index 000000000..328b68ae2
--- /dev/null
+++ b/src/Discord.Net.Core/Entities/Users/PremiumType.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Discord
+{
+    public enum PremiumType
+    {
+        /// <summary>
+        ///     Includes app perks like animated emojis and avatars, but not games.
+        /// </summary>
+        NitroClassic = 1,
+        /// <summary>
+        ///     Includes app perks as wel as the games subscription service.
+        /// </summary>
+        Nitro = 2
+    }
+}