diff --git a/src/core/cheats.cpp b/src/core/cheats.cpp
index 8e4f21dc0..bf63780bd 100644
--- a/src/core/cheats.cpp
+++ b/src/core/cheats.cpp
@@ -1320,6 +1320,10 @@ bool Cheats::ExtractCodeInfo(CodeInfoList* dst, std::string_view file_data, bool
           }
         }
       }
+      else if (key == "DisallowForAchievements")
+      {
+        current_code.disallow_for_achievements = StringUtil::FromChars<bool>(value).value_or(false);
+      }
       else if (key == "Ignore")
       {
         ignore_this_code = StringUtil::FromChars<bool>(value).value_or(false);
diff --git a/src/core/cheats.h b/src/core/cheats.h
index 08ced2210..2cd927bc2 100644
--- a/src/core/cheats.h
+++ b/src/core/cheats.h
@@ -60,6 +60,7 @@ struct CodeInfo
   CodeType type = CodeType::Gameshark;
   CodeActivation activation = CodeActivation::EndFrame;
   bool from_database = false;
+  bool disallow_for_achievements = false;
 
   std::string_view GetNamePart() const;
   std::string_view GetNameParentPart() const;
diff --git a/src/duckstation-qt/gamepatchsettingswidget.cpp b/src/duckstation-qt/gamepatchsettingswidget.cpp
index 82df426d0..53d2e48cc 100644
--- a/src/duckstation-qt/gamepatchsettingswidget.cpp
+++ b/src/duckstation-qt/gamepatchsettingswidget.cpp
@@ -15,7 +15,8 @@
 #include <algorithm>
 
 GamePatchDetailsWidget::GamePatchDetailsWidget(std::string name, const std::string& author,
-                                               const std::string& description, bool enabled, SettingsWindow* dialog,
+                                               const std::string& description, bool enabled,
+                                               bool disallowed_for_achievements, SettingsWindow* dialog,
                                                QWidget* parent)
   : QWidget(parent), m_dialog(dialog), m_name(name)
 {
@@ -23,8 +24,10 @@ GamePatchDetailsWidget::GamePatchDetailsWidget(std::string name, const std::stri
 
   m_ui.name->setText(QString::fromStdString(name));
   m_ui.description->setText(
-    tr("<strong>Author: </strong>%1<br>%2")
+    tr("<strong>Author: </strong>%1%2<br>%3")
       .arg(author.empty() ? tr("Unknown") : QString::fromStdString(author))
+      .arg(disallowed_for_achievements ? tr("<br><strong>Not permitted in RetroAchievements hardcore mode.</strong>") :
+                                         QString())
       .arg(description.empty() ? tr("No description provided.") : QString::fromStdString(description)));
 
   DebugAssert(dialog->getSettingsInterface());
@@ -108,8 +111,8 @@ void GamePatchSettingsWidget::reloadList()
       }
 
       const bool enabled = (std::find(enabled_list.begin(), enabled_list.end(), pi.name) != enabled_list.end());
-      GamePatchDetailsWidget* it =
-        new GamePatchDetailsWidget(std::move(pi.name), pi.author, pi.description, enabled, m_dialog, container);
+      GamePatchDetailsWidget* it = new GamePatchDetailsWidget(
+        std::move(pi.name), pi.author, pi.description, pi.disallow_for_achievements, enabled, m_dialog, container);
       layout->addWidget(it);
     }
   }
diff --git a/src/duckstation-qt/gamepatchsettingswidget.h b/src/duckstation-qt/gamepatchsettingswidget.h
index 7f2e118c7..d093bdf02 100644
--- a/src/duckstation-qt/gamepatchsettingswidget.h
+++ b/src/duckstation-qt/gamepatchsettingswidget.h
@@ -20,7 +20,7 @@ class GamePatchDetailsWidget : public QWidget
 
 public:
   GamePatchDetailsWidget(std::string name, const std::string& author, const std::string& description, bool enabled,
-                         SettingsWindow* dialog, QWidget* parent);
+                         bool disallowed_for_achievements, SettingsWindow* dialog, QWidget* parent);
   ~GamePatchDetailsWidget();
 
 private Q_SLOTS: