diff --git a/app/services/discourse_rewind/action/ai_usage.rb b/app/services/discourse_rewind/action/ai_usage.rb
new file mode 100644
index 0000000..3e4880c
--- /dev/null
+++ b/app/services/discourse_rewind/action/ai_usage.rb
@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+
+# AI usage statistics from discourse-ai plugin
+# Shows total usage, favorite features, token consumption, etc.
+module DiscourseRewind
+  module Action
+    class AiUsage < BaseReport
+      def call
+        return if !enabled?
+
+        base_query = AiApiAuditLog.where(user_id: user.id).where(created_at: date)
+
+        # Get aggregated stats in a single query
+        stats =
+          base_query.select(
+            "COUNT(*) as total_requests",
+            "COALESCE(SUM(request_tokens), 0) as total_request_tokens",
+            "COALESCE(SUM(response_tokens), 0) as total_response_tokens",
+            "COUNT(CASE WHEN response_tokens > 0 THEN 1 END) as successful_requests",
+          ).take
+
+        return if stats.total_requests == 0
+
+        total_tokens = stats.total_request_tokens + stats.total_response_tokens
+        success_rate =
+          (
+            if stats.total_requests > 0
+              (stats.successful_requests.to_f / stats.total_requests * 100).round(1)
+            else
+              0
+            end
+          )
+
+        # Most used features (top 5)
+        feature_usage =
+          base_query
+            .group(:feature_name)
+            .order("COUNT(*) DESC")
+            .limit(5)
+            .pluck(:feature_name, Arel.sql("COUNT(*)"))
+            .to_h
+
+        # Most used AI model (top 5)
+        model_usage =
+          base_query
+            .where.not(language_model: nil)
+            .group(:language_model)
+            .order("COUNT(*) DESC")
+            .limit(5)
+            .pluck(:language_model, Arel.sql("COUNT(*)"))
+            .to_h
+
+        {
+          data: {
+            total_requests: stats.total_requests,
+            total_tokens: total_tokens,
+            request_tokens: stats.total_request_tokens,
+            response_tokens: stats.total_response_tokens,
+            feature_usage: feature_usage,
+            model_usage: model_usage,
+            success_rate: success_rate,
+          },
+          identifier: "ai-usage",
+        }
+      end
+
+      def enabled?
+        defined?(AiApiAuditLog) && SiteSetting.discourse_ai_enabled
+      end
+    end
+  end
+end
diff --git a/app/services/discourse_rewind/action/assignments.rb b/app/services/discourse_rewind/action/assignments.rb
new file mode 100644
index 0000000..f8e1975
--- /dev/null
+++ b/app/services/discourse_rewind/action/assignments.rb
@@ -0,0 +1,62 @@
+# frozen_string_literal: true
+
+# Assignment statistics using discourse-assign plugin data
+# Shows how many assignments, completed, pending, etc.
+module DiscourseRewind
+  module Action
+    class Assignments < BaseReport
+      def call
+        return if !enabled?
+
+        # Assignments made to the user
+        assignments_scope =
+          Assignment
+            .where(assigned_to_id: user.id, assigned_to_type: "User")
+            .where(created_at: date)
+
+        total_assigned = assignments_scope.count
+
+        # Completed assignments (topics that were assigned and then closed or unassigned)
+        completed_count =
+          assignments_scope
+            .joins(:topic)
+            .where(
+              "topics.closed = true OR assignments.active = false OR assignments.updated_at > assignments.created_at",
+            )
+            .distinct
+            .count
+
+        # Currently pending (still open and assigned)
+        pending_count =
+          Assignment
+            .where(assigned_to_id: user.id, assigned_to_type: "User", active: true)
+            .joins(:topic)
+            .where(topics: { closed: false })
+            .count
+
+        # Assignments made by the user to others
+        assigned_by_user =
+          Assignment
+            .where(assigned_by_user_id: user.id)
+            .where(created_at: date)
+            .count
+
+        {
+          data: {
+            total_assigned: total_assigned,
+            completed: completed_count,
+            pending: pending_count,
+            assigned_by_user: assigned_by_user,
+            completion_rate:
+              total_assigned > 0 ? (completed_count.to_f / total_assigned * 100).round(1) : 0,
+          },
+          identifier: "assignments",
+        }
+      end
+
+      def enabled?
+        defined?(Assignment) && SiteSetting.assign_enabled
+      end
+    end
+  end
+end
diff --git a/app/services/discourse_rewind/action/chat_usage.rb b/app/services/discourse_rewind/action/chat_usage.rb
new file mode 100644
index 0000000..a4fee7b
--- /dev/null
+++ b/app/services/discourse_rewind/action/chat_usage.rb
@@ -0,0 +1,82 @@
+# frozen_string_literal: true
+
+# Chat usage statistics
+# Shows message counts, favorite channels, DM activity, etc.
+module DiscourseRewind
+  module Action
+    class ChatUsage < BaseReport
+      def call
+        return if !enabled?
+
+        messages =
+          Chat::Message.where(user_id: user.id).where(created_at: date).where(deleted_at: nil)
+
+        total_messages = messages.count
+        return if total_messages == 0
+
+        # Get favorite channels (public channels)
+        channel_usage =
+          messages
+            .joins(:chat_channel)
+            .where(chat_channels: { type: "CategoryChannel" })
+            .group("chat_channels.id", "chat_channels.name")
+            .count
+            .sort_by { |_, count| -count }
+            .first(5)
+            .map do |(id, name), count|
+              { channel_id: id, channel_name: name, message_count: count }
+            end
+
+        # DM statistics
+        dm_message_count =
+          messages.joins(:chat_channel).where(chat_channels: { type: "DirectMessageChannel" }).count
+
+        # Unique DM conversations
+        unique_dm_channels =
+          messages
+            .joins(:chat_channel)
+            .where(chat_channels: { type: "DirectMessageChannel" })
+            .distinct
+            .count(:chat_channel_id)
+
+        # Messages with reactions received
+        messages_with_reactions =
+          Chat::MessageReaction
+            .joins(:chat_message)
+            .where(chat_messages: { user_id: user.id })
+            .where(chat_messages: { created_at: date })
+            .distinct
+            .count(:chat_message_id)
+
+        # Total reactions received
+        total_reactions_received =
+          Chat::MessageReaction
+            .joins(:chat_message)
+            .where(chat_messages: { user_id: user.id })
+            .where(chat_messages: { created_at: date })
+            .count
+
+        # Average message length
+        avg_message_length =
+          messages.where("LENGTH(message) > 0").average("LENGTH(message)")&.to_f&.round(1) || 0
+
+        {
+          data: {
+            total_messages: total_messages,
+            favorite_channels: channel_usage,
+            dm_message_count: dm_message_count,
+            unique_dm_channels: unique_dm_channels,
+            messages_with_reactions: messages_with_reactions,
+            total_reactions_received: total_reactions_received,
+            avg_message_length: avg_message_length,
+          },
+          identifier: "chat-usage",
+        }
+      end
+
+      def enabled?
+        SiteSetting.chat_enabled
+      end
+    end
+  end
+end
diff --git a/app/services/discourse_rewind/action/favorite_gifs.rb b/app/services/discourse_rewind/action/favorite_gifs.rb
new file mode 100644
index 0000000..ab093e9
--- /dev/null
+++ b/app/services/discourse_rewind/action/favorite_gifs.rb
@@ -0,0 +1,122 @@
+# frozen_string_literal: true
+
+# Find the user's most used GIFs in posts and chat
+# Ranks by usage count and engagement (likes/reactions)
+module DiscourseRewind
+  module Action
+    class FavoriteGifs < BaseReport
+      GIF_URL_PATTERN =
+        %r{
+          https?://[^\s]+\.(?:gif|gifv)
+          |
+          https?://(?!(?:developers|support|blog)\.) (?:[^/\s]+\.)?giphy\.com/(?!dashboard\b)[^\s]+
+          |
+          https?://(?!(?:support)\.) (?:[^/\s]+\.)?tenor\.com/(?!gifapi\b)[^\s]+
+        }ix
+      MAX_RESULTS = 5
+
+      def call
+        gif_data = {}
+
+        # Get GIFs from posts
+        post_gifs = extract_gifs_from_posts
+        post_gifs.each do |url, data|
+          gif_data[url] ||= { url: url, usage_count: 0, likes: 0, reactions: 0 }
+          gif_data[url][:usage_count] += data[:count]
+          gif_data[url][:likes] += data[:likes]
+        end
+
+        # Get GIFs from chat messages if chat is enabled
+        if SiteSetting.chat_enabled
+          chat_gifs = extract_gifs_from_chat
+          chat_gifs.each do |url, data|
+            gif_data[url] ||= { url: url, usage_count: 0, likes: 0, reactions: 0 }
+            gif_data[url][:usage_count] += data[:count]
+            gif_data[url][:reactions] += data[:reactions]
+          end
+        end
+
+        return if gif_data.empty?
+
+        # Sort by engagement score (usage * 10 + likes + reactions)
+        sorted_gifs =
+          gif_data
+            .values
+            .sort_by { |gif| -(gif[:usage_count] * 10 + gif[:likes] + gif[:reactions]) }
+            .first(MAX_RESULTS)
+
+        {
+          data: {
+            favorite_gifs: sorted_gifs,
+            total_gif_usage: gif_data.values.sum { |g| g[:usage_count] },
+          },
+          identifier: "favorite-gifs",
+        }
+      end
+
+      private
+
+      def extract_gifs_from_posts
+        gif_usage = {}
+
+        posts =
+          Post
+            .where(user_id: user.id)
+            .where(created_at: date)
+            .where(deleted_at: nil)
+            .where("raw ~* ?", gif_sql_pattern)
+            .select(:id, :raw, :like_count)
+
+        posts.each do |post|
+          gif_urls = post.raw.scan(GIF_URL_PATTERN).uniq.select { |url| content_gif_url?(url) }
+          gif_urls.each do |url|
+            gif_usage[url] ||= { count: 0, likes: 0 }
+            gif_usage[url][:count] += 1
+            gif_usage[url][:likes] += post.like_count || 0
+          end
+        end
+
+        gif_usage
+      end
+
+      def extract_gifs_from_chat
+        gif_usage = {}
+
+        messages =
+          Chat::Message
+            .where(user_id: user.id)
+            .where(created_at: date)
+            .where(deleted_at: nil)
+            .where("message ~* ?", gif_sql_pattern)
+            .select(:id, :message)
+
+        messages.each do |message|
+          gif_urls =
+            message.message.scan(GIF_URL_PATTERN).uniq.select { |url| content_gif_url?(url) }
+          gif_urls.each do |url|
+            gif_usage[url] ||= { count: 0, reactions: 0 }
+            gif_usage[url][:count] += 1
+
+            # Count reactions on this message
+            reaction_count = Chat::MessageReaction.where(chat_message_id: message.id).count
+            gif_usage[url][:reactions] += reaction_count
+          end
+        end
+
+        gif_usage
+      end
+
+      def gif_sql_pattern
+        @gif_sql_pattern ||= GIF_URL_PATTERN.source.gsub(/\s+/, "")
+      end
+
+      def content_gif_url?(url)
+        return true if url.match?(/\.(gif|gifv)(?:\?|$)/i)
+        return true if url.match?(%r{giphy\.com/(?:gifs?|media|embed|stickers|clips)}i)
+        return true if url.match?(%r{tenor\.com/(?:view|watch|embed|gif)}i)
+
+        false
+      end
+    end
+  end
+end
diff --git a/app/services/discourse_rewind/action/invites.rb b/app/services/discourse_rewind/action/invites.rb
new file mode 100644
index 0000000..dc2feae
--- /dev/null
+++ b/app/services/discourse_rewind/action/invites.rb
@@ -0,0 +1,85 @@
+# frozen_string_literal: true
+
+# Invite statistics
+# Shows how many users this user invited and the impact of those invitees
+module DiscourseRewind
+  module Action
+    class Invites < BaseReport
+      def call
+        # Get all invites created by this user in the date range
+        invites = Invite.where(invited_by_id: user.id).where(created_at: date)
+
+        total_invites = invites.count
+        return if total_invites == 0
+
+        # Redeemed invites (users who actually joined)
+        redeemed_count = invites.where.not(redeemed_at: nil).count
+
+        # Get the users who were invited (via InvitedUser or redeemed invites)
+        invited_user_ids = InvitedUser.where(invite: invites).pluck(:user_id).compact
+
+        invited_users = User.where(id: invited_user_ids)
+
+        # Calculate impact of invitees
+        invitee_post_count =
+          Post
+            .where(user_id: invited_user_ids)
+            .where(created_at: date)
+            .where(deleted_at: nil)
+            .count
+
+        invitee_topic_count =
+          Topic
+            .where(user_id: invited_user_ids)
+            .where(created_at: date)
+            .where(deleted_at: nil)
+            .count
+
+        invitee_like_count =
+          UserAction
+            .where(user_id: invited_user_ids)
+            .where(action_type: UserAction::LIKE)
+            .where(created_at: date)
+            .count
+
+        # Calculate average trust level of invitees
+        avg_trust_level = invited_users.average(:trust_level)&.to_f&.round(1) || 0
+
+        # Most active invitee
+        most_active_invitee = nil
+        if invited_user_ids.any?
+          most_active_id =
+            Post
+              .where(user_id: invited_user_ids)
+              .where(created_at: date)
+              .where(deleted_at: nil)
+              .group(:user_id)
+              .count
+              .max_by { |_, count| count }
+              &.first
+
+          if most_active_id
+            most_active_user = User.find_by(id: most_active_id)
+            most_active_invitee =
+              BasicUserSerializer.new(most_active_user, root: false).as_json if most_active_user
+          end
+        end
+
+        {
+          data: {
+            total_invites: total_invites,
+            redeemed_count: redeemed_count,
+            redemption_rate:
+              total_invites > 0 ? (redeemed_count.to_f / total_invites * 100).round(1) : 0,
+            invitee_post_count: invitee_post_count,
+            invitee_topic_count: invitee_topic_count,
+            invitee_like_count: invitee_like_count,
+            avg_trust_level: avg_trust_level,
+            most_active_invitee: most_active_invitee,
+          },
+          identifier: "invites",
+        }
+      end
+    end
+  end
+end
diff --git a/app/services/discourse_rewind/action/new_user_interactions.rb b/app/services/discourse_rewind/action/new_user_interactions.rb
new file mode 100644
index 0000000..cad2074
--- /dev/null
+++ b/app/services/discourse_rewind/action/new_user_interactions.rb
@@ -0,0 +1,85 @@
+# frozen_string_literal: true
+
+# Tracks how much this user interacted with new users (created this year)
+# Shows veteran mentorship and community building behavior
+module DiscourseRewind
+  module Action
+    class NewUserInteractions < BaseReport
+      def call
+        year_start = Date.new(date.first.year, 1, 1)
+
+        # Find users who created accounts this year
+        new_user_ids =
+          User
+            .real
+            .where("created_at >= ? AND created_at <= ?", year_start, date.last)
+            .where("id != ?", user.id)
+            .pluck(:id)
+
+        return if new_user_ids.empty?
+
+        # Count likes given to new users
+        likes_scope =
+          UserAction.where(
+            acting_user_id: user.id,
+            user_id: new_user_ids,
+            action_type: UserAction::WAS_LIKED,
+          ).where(created_at: date)
+        likes_given = likes_scope.count
+        liked_user_ids = likes_scope.distinct.pluck(:user_id)
+
+        # Count replies to new users' posts
+        replies_scope =
+          Post
+            .joins(
+              "INNER JOIN posts AS parent_posts ON posts.reply_to_post_number = parent_posts.post_number AND posts.topic_id = parent_posts.topic_id",
+            )
+            .where(posts: { user_id: user.id, deleted_at: nil, created_at: date })
+            .where("parent_posts.user_id": new_user_ids)
+        replies_to_new_users = replies_scope.count
+        replied_user_ids = replies_scope.distinct.pluck("parent_posts.user_id")
+
+        # Count topics created by user that new users participated in
+        topics_with_new_users =
+          Topic
+            .joins(:posts)
+            .where(topics: { user_id: user.id, deleted_at: nil })
+            .where(posts: { user_id: new_user_ids, deleted_at: nil })
+            .where(topics: { created_at: date })
+            .distinct
+            .count
+
+        # Count direct messages/mentions to new users
+        mentions_scope =
+          Post
+            .joins(
+              "INNER JOIN user_actions ON user_actions.target_post_id = posts.id AND user_actions.action_type = #{UserAction::MENTION}",
+            )
+            .where(posts: { user_id: user.id, deleted_at: nil, created_at: date })
+            .where(user_actions: { user_id: new_user_ids })
+        mentions_to_new_users = mentions_scope.distinct.count
+        mentioned_user_ids = mentions_scope.distinct.pluck("user_actions.user_id")
+
+        # Unique new users interacted with
+        unique_new_users = (liked_user_ids + replied_user_ids + mentioned_user_ids).uniq.count
+
+        total_interactions = likes_given + replies_to_new_users + mentions_to_new_users
+
+        return if total_interactions == 0
+
+        {
+          data: {
+            total_interactions: total_interactions,
+            likes_given: likes_given,
+            replies_to_new_users: replies_to_new_users,
+            mentions_to_new_users: mentions_to_new_users,
+            topics_with_new_users: topics_with_new_users,
+            unique_new_users: unique_new_users,
+            new_users_count: new_user_ids.count,
+          },
+          identifier: "new-user-interactions",
+        }
+      end
+    end
+  end
+end
diff --git a/app/services/discourse_rewind/action/time_of_day_activity.rb b/app/services/discourse_rewind/action/time_of_day_activity.rb
new file mode 100644
index 0000000..08810e7
--- /dev/null
+++ b/app/services/discourse_rewind/action/time_of_day_activity.rb
@@ -0,0 +1,106 @@
+# frozen_string_literal: true
+
+# Time of day activity analysis
+# Shows when a user is most active (considering their timezone)
+# Determines if they are a night owl or early bird
+module DiscourseRewind
+  module Action
+    class TimeOfDayActivity < BaseReport
+      EARLY_BIRD_THRESHOLD = 6..9
+      NIGHT_OWL_THRESHOLD_PM = 22..23
+      NIGHT_OWL_THRESHOLD_AM = 0..2
+
+      def call
+        # Get activity by hour of day (in user's timezone)
+        activity_by_hour = get_activity_by_hour
+
+        return if activity_by_hour.empty?
+
+        total_activities = activity_by_hour.values.sum
+        most_active_hour = activity_by_hour.max_by { |_, count| count }&.first
+        personality = determine_personality(activity_by_hour, total_activities)
+
+        {
+          data: {
+            activity_by_hour: activity_by_hour,
+            most_active_hour: most_active_hour,
+            personality: personality,
+            total_activities: total_activities,
+          },
+          identifier: "time-of-day-activity",
+        }
+      end
+
+      private
+
+      def get_activity_by_hour
+        # Get user timezone offset
+        user_timezone = user.user_option&.timezone || "UTC"
+        quoted_timezone = ActiveRecord::Base.connection.quote(user_timezone)
+        hour_extract_sql =
+          Arel.sql(
+            "EXTRACT(HOUR FROM created_at AT TIME ZONE 'UTC' AT TIME ZONE #{quoted_timezone})::integer",
+          )
+
+        # Initialize hash with all hours
+        activity = (0..23).to_h { |hour| [hour, 0] }
+
+        # Posts created
+        post_hours =
+          Post
+            .where(user_id: user.id)
+            .where(created_at: date)
+            .where(deleted_at: nil)
+            .pluck(hour_extract_sql)
+            .tally
+
+        # User visits (page views)
+        visit_hours =
+          UserHistory
+            .where(acting_user_id: user.id)
+            .where(created_at: date)
+            .where(action: UserHistory.actions[:page_view])
+            .pluck(hour_extract_sql)
+            .tally
+
+        # Chat messages if chat is enabled
+        if SiteSetting.chat_enabled
+          chat_hours =
+            Chat::Message
+              .where(user_id: user.id)
+              .where(created_at: date)
+              .where(deleted_at: nil)
+              .pluck(hour_extract_sql)
+              .tally
+
+          chat_hours.each { |hour, count| activity[hour] += count }
+        end
+
+        post_hours.each { |hour, count| activity[hour] += count }
+        visit_hours.each { |hour, count| activity[hour] += count }
+
+        activity
+      end
+
+      def determine_personality(activity_by_hour, total_activities)
+        return nil if total_activities == 0
+
+        early_bird_activity = EARLY_BIRD_THRESHOLD.sum { |hour| activity_by_hour[hour] || 0 }
+        night_owl_activity =
+          NIGHT_OWL_THRESHOLD_PM.sum { |hour| activity_by_hour[hour] || 0 } +
+            NIGHT_OWL_THRESHOLD_AM.sum { |hour| activity_by_hour[hour] || 0 }
+
+        early_bird_percentage = (early_bird_activity.to_f / total_activities * 100).round(1)
+        night_owl_percentage = (night_owl_activity.to_f / total_activities * 100).round(1)
+
+        if early_bird_percentage > 20
+          { type: "early_bird", percentage: early_bird_percentage }
+        elsif night_owl_percentage > 20
+          { type: "night_owl", percentage: night_owl_percentage }
+        else
+          { type: "balanced", percentage: 0 }
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/discourse_rewind/fetch_reports.rb b/app/services/discourse_rewind/fetch_reports.rb
index 361711f..a685231 100644
--- a/app/services/discourse_rewind/fetch_reports.rb
+++ b/app/services/discourse_rewind/fetch_reports.rb
@@ -31,6 +31,13 @@ module DiscourseRewind
       Action::BestTopics,
       Action::BestPosts,
       Action::ActivityCalendar,
+      Action::TimeOfDayActivity,
+      Action::NewUserInteractions,
+      Action::ChatUsage,
+      Action::AiUsage,
+      Action::FavoriteGifs,
+      Action::Assignments,
+      Action::Invites,
     ]
 
     model :year
diff --git a/spec/services/fetch_reports_spec.rb b/spec/services/fetch_reports_spec.rb
index 017b117..10f4ef1 100644
--- a/spec/services/fetch_reports_spec.rb
+++ b/spec/services/fetch_reports_spec.rb
@@ -35,10 +35,10 @@ RSpec.describe(DiscourseRewind::FetchReports) do
       before { freeze_time DateTime.parse("2021-12-22") }
 
       it "returns the cached reports" do
-        expect(result.reports.length).to eq(9)
+        expect(result.reports.length).to eq(16)
 
         allow(DiscourseRewind::Action::TopWords).to receive(:call)
-        expect(result.reports.length).to eq(9)
+        expect(result.reports.length).to eq(16)
         expect(DiscourseRewind::Action::TopWords).to_not have_received(:call)
       end
     end
@@ -51,7 +51,7 @@ RSpec.describe(DiscourseRewind::FetchReports) do
 
       it "returns the reports" do
         allow(DiscourseRewind::Action::TopWords).to receive(:call)
-        expect(result.reports.length).to eq(9)
+        expect(result.reports.length).to eq(16)
         expect(DiscourseRewind::Action::TopWords).to have_received(:call)
       end
     end