diff --git a/app/models/challenge_claim.rb b/app/models/challenge_claim.rb
index ea104c56d03..5841ee42843 100755
--- a/app/models/challenge_claim.rb
+++ b/app/models/challenge_claim.rb
@@ -71,6 +71,8 @@ def self.order_by_offering_pseud(dir="ASC")
              CollectionItem.user_approval_statuses[:approved], CollectionItem.collection_approval_statuses[:approved])
   }
 
+  # TODO: AO3-6024 for making sure we also exclude works hidden by admin
+  scope :work_visible_to_all, -> { where("works.restricted = 0") }
 
   scope :posted, -> { joins(WORKS_JOIN).where("challenge_claims.creation_id IS NOT NULL AND works.posted = 1") }
 
diff --git a/app/models/prompt.rb b/app/models/prompt.rb
index cdae4bb6a4a..9f18cef92d8 100755
--- a/app/models/prompt.rb
+++ b/app/models/prompt.rb
@@ -209,6 +209,9 @@ def fulfilled_claims
     self.request_claims.fulfilled
   end
 
+  def fulfilled_claims_visible_to_all
+    self.request_claims.fulfilled.work_visible_to_all
+  end
   # Computes the "full" tag set (tag_set + optional_tag_set), and stores the
   # result as an instance variable for speed. This is used by the matching
   # algorithm, which doesn't change any signup/prompt/tagset information, so
diff --git a/app/views/prompts/_prompt_blurb.html.erb b/app/views/prompts/_prompt_blurb.html.erb
index d4834502206..be901dc41e7 100755
--- a/app/views/prompts/_prompt_blurb.html.erb
+++ b/app/views/prompts/_prompt_blurb.html.erb
@@ -80,13 +80,15 @@
     <% end %>
 
     <% # if prompt has been fulfilled list works %>
-    <% unless prompt.unfulfilled? %>
+    <% unless prompt.unfulfilled? || (guest? && prompt.fulfilled_claims_visible_to_all.empty?) %>
       <div class="work listbox group">
         <h5 class="heading"><%= ts("Fulfilled By")%></h5>
         <ul class="index group">
           <% prompt.fulfilled_claims.map(&:creation).each do |creation| %>
             <% if creation.is_a?(Work) %>
-              <%= render "works/work_blurb", :work => creation %>
+              <% unless guest? && creation.restricted %>
+                <%= render "works/work_blurb", work: creation %>
+              <% end %>
             <% end %>
           <% end %>
         </ul>
diff --git a/features/prompt_memes_b/challenge_promptmeme_posting_fills.feature b/features/prompt_memes_b/challenge_promptmeme_posting_fills.feature
index 106a38dbe52..ab084824435 100755
--- a/features/prompt_memes_b/challenge_promptmeme_posting_fills.feature
+++ b/features/prompt_memes_b/challenge_promptmeme_posting_fills.feature
@@ -593,3 +593,22 @@ Feature: Prompt Meme Challenge
     And I uncheck "Battle 12 (prompter)"
     And I press "Update"
   Then I should see "For prompter."
+
+  Scenario: When a prompt is filled with a restricted work, the work should only be visible to logged-in users
+
+  Given I have Battle 12 prompt meme fully set up
+    And I am logged in as "myname1"
+    And I sign up for Battle 12
+    And I am logged in as "myname2"
+    And I claim a prompt from "Battle 12"
+    And I start to fulfill my claim with "Restricted Fill"
+    And I lock the work
+    And I press "Post"
+  When I view prompts for "Battle 12"
+  Then I should see "Fulfilled By"
+    And I should see "Restricted Fill"
+  When I log out
+    And I go to "Battle 12" collection's page
+    And I follow "Prompts ("
+  Then I should not see "Fulfilled By"
+    And I should not see "Restricted Fill"