diff --git a/include/ui/game_screen.hpp b/include/ui/game_screen.hpp
index f39d5061..7c17820d 100644
--- a/include/ui/game_screen.hpp
+++ b/include/ui/game_screen.hpp
@@ -354,6 +354,11 @@ private:
 
     // Dungeon Finder state
     bool  showDungeonFinder_ = false;
+
+    // Achievements window
+    bool  showAchievementWindow_ = false;
+    char  achievementSearchBuf_[128] = {};
+    void  renderAchievementWindow(game::GameHandler& gameHandler);
     uint8_t lfgRoles_ = 0x08;  // default: DPS (0x02=tank, 0x04=healer, 0x08=dps)
     uint32_t lfgSelectedDungeon_ = 861;  // default: random dungeon (entry 861 = Random Dungeon WotLK)
 
diff --git a/include/ui/keybinding_manager.hpp b/include/ui/keybinding_manager.hpp
index 09c9ac05..385340ab 100644
--- a/include/ui/keybinding_manager.hpp
+++ b/include/ui/keybinding_manager.hpp
@@ -30,6 +30,7 @@ public:
         TOGGLE_NAMEPLATES,
         TOGGLE_RAID_FRAMES,
         TOGGLE_QUEST_LOG,
+        TOGGLE_ACHIEVEMENTS,
         ACTION_COUNT
     };
 
diff --git a/src/ui/game_screen.cpp b/src/ui/game_screen.cpp
index 9a020d6a..f8f95801 100644
--- a/src/ui/game_screen.cpp
+++ b/src/ui/game_screen.cpp
@@ -497,6 +497,7 @@ void GameScreen::render(game::GameHandler& gameHandler) {
     renderAuctionHouseWindow(gameHandler);
     renderDungeonFinderWindow(gameHandler);
     renderInstanceLockouts(gameHandler);
+    renderAchievementWindow(gameHandler);
     // renderQuestMarkers(gameHandler);  // Disabled - using 3D billboard markers now
     if (showMinimap_) {
         renderMinimapMarkers(gameHandler);
@@ -1762,6 +1763,10 @@ void GameScreen::processTargetInput(game::GameHandler& gameHandler) {
             questLogScreen.toggle();
         }
 
+        if (KeybindingManager::getInstance().isActionPressed(KeybindingManager::Action::TOGGLE_ACHIEVEMENTS)) {
+            showAchievementWindow_ = !showAchievementWindow_;
+        }
+
         // Action bar keys (1-9, 0, -, =)
         static const SDL_Scancode actionBarKeys[] = {
             SDL_SCANCODE_1, SDL_SCANCODE_2, SDL_SCANCODE_3, SDL_SCANCODE_4,
@@ -14326,4 +14331,68 @@ void GameScreen::renderBattlegroundScore(game::GameHandler& gameHandler) {
     ImGui::PopStyleVar(2);
 }
 
+// ─── Achievement Window ───────────────────────────────────────────────────────
+void GameScreen::renderAchievementWindow(game::GameHandler& gameHandler) {
+    if (!showAchievementWindow_) return;
+
+    ImGui::SetNextWindowSize(ImVec2(420, 480), ImGuiCond_FirstUseEver);
+    ImGui::SetNextWindowPos(ImVec2(200, 150), ImGuiCond_FirstUseEver);
+
+    if (!ImGui::Begin("Achievements", &showAchievementWindow_)) {
+        ImGui::End();
+        return;
+    }
+
+    const auto& earned = gameHandler.getEarnedAchievements();
+    ImGui::Text("Earned: %u", static_cast<unsigned>(earned.size()));
+    ImGui::SameLine();
+    ImGui::SetNextItemWidth(180.0f);
+    ImGui::InputText("##achsearch", achievementSearchBuf_, sizeof(achievementSearchBuf_));
+    ImGui::SameLine();
+    if (ImGui::Button("Clear")) achievementSearchBuf_[0] = '\0';
+    ImGui::Separator();
+
+    if (earned.empty()) {
+        ImGui::TextDisabled("No achievements earned yet.");
+        ImGui::End();
+        return;
+    }
+
+    ImGui::BeginChild("##achlist", ImVec2(0, 0), false);
+
+    std::string filter(achievementSearchBuf_);
+    // lower-case filter for case-insensitive matching
+    for (char& c : filter) c = static_cast<char>(tolower(static_cast<unsigned char>(c)));
+
+    // Collect and sort ids for stable display
+    std::vector<uint32_t> ids(earned.begin(), earned.end());
+    std::sort(ids.begin(), ids.end());
+
+    for (uint32_t id : ids) {
+        const std::string& name = gameHandler.getAchievementName(id);
+        const std::string& display = name.empty() ? std::to_string(id) : name;
+
+        if (!filter.empty()) {
+            std::string lower = display;
+            for (char& c : lower) c = static_cast<char>(tolower(static_cast<unsigned char>(c)));
+            if (lower.find(filter) == std::string::npos) continue;
+        }
+
+        ImGui::PushID(static_cast<int>(id));
+        ImGui::TextColored(ImVec4(1.0f, 0.85f, 0.0f, 1.0f), "[Achievement]");
+        ImGui::SameLine();
+        ImGui::TextUnformatted(display.c_str());
+        if (ImGui::IsItemHovered()) {
+            ImGui::BeginTooltip();
+            ImGui::Text("ID: %u", id);
+            if (!name.empty()) ImGui::TextDisabled("%s", name.c_str());
+            ImGui::EndTooltip();
+        }
+        ImGui::PopID();
+    }
+
+    ImGui::EndChild();
+    ImGui::End();
+}
+
 }} // namespace wowee::ui
diff --git a/src/ui/keybinding_manager.cpp b/src/ui/keybinding_manager.cpp
index 212d2af0..5ac79927 100644
--- a/src/ui/keybinding_manager.cpp
+++ b/src/ui/keybinding_manager.cpp
@@ -31,6 +31,7 @@ void KeybindingManager::initializeDefaults() {
     bindings_[static_cast<int>(Action::TOGGLE_NAMEPLATES)] = ImGuiKey_V;
     bindings_[static_cast<int>(Action::TOGGLE_RAID_FRAMES)] = ImGuiKey_F;  // Reassigned from R (now camera reset)
     bindings_[static_cast<int>(Action::TOGGLE_QUEST_LOG)] = ImGuiKey_Q;
+    bindings_[static_cast<int>(Action::TOGGLE_ACHIEVEMENTS)] = ImGuiKey_Y;  // WoW standard key (Shift+Y in retail)
 }
 
 bool KeybindingManager::isActionPressed(Action action, bool repeat) {
@@ -71,6 +72,7 @@ const char* KeybindingManager::getActionName(Action action) {
         case Action::TOGGLE_NAMEPLATES: return "Nameplates";
         case Action::TOGGLE_RAID_FRAMES: return "Raid Frames";
         case Action::TOGGLE_QUEST_LOG: return "Quest Log";
+        case Action::TOGGLE_ACHIEVEMENTS: return "Achievements";
         case Action::ACTION_COUNT: break;
     }
     return "Unknown";
@@ -135,6 +137,7 @@ void KeybindingManager::loadFromConfigFile(const std::string& filePath) {
         else if (action == "toggle_nameplates") actionIdx = static_cast<int>(Action::TOGGLE_NAMEPLATES);
         else if (action == "toggle_raid_frames") actionIdx = static_cast<int>(Action::TOGGLE_RAID_FRAMES);
         else if (action == "toggle_quest_log") actionIdx = static_cast<int>(Action::TOGGLE_QUEST_LOG);
+        else if (action == "toggle_achievements") actionIdx = static_cast<int>(Action::TOGGLE_ACHIEVEMENTS);
 
         if (actionIdx < 0) continue;
 
@@ -226,6 +229,7 @@ void KeybindingManager::saveToConfigFile(const std::string& filePath) const {
         {Action::TOGGLE_NAMEPLATES, "toggle_nameplates"},
         {Action::TOGGLE_RAID_FRAMES, "toggle_raid_frames"},
         {Action::TOGGLE_QUEST_LOG, "toggle_quest_log"},
+        {Action::TOGGLE_ACHIEVEMENTS, "toggle_achievements"},
     };
 
     for (const auto& [action, nameStr] : actionMap) {