diff --git a/include/ui/game_screen.hpp b/include/ui/game_screen.hpp
index 660a25ec..a27f1808 100644
--- a/include/ui/game_screen.hpp
+++ b/include/ui/game_screen.hpp
@@ -371,6 +371,7 @@ private:
     std::vector<ChatBubble> chatBubbles_;
     bool chatBubbleCallbackSet_ = false;
     bool levelUpCallbackSet_ = false;
+    bool achievementCallbackSet_ = false;
 
     // Mail compose state
     char mailRecipientBuffer_[256] = "";
diff --git a/src/ui/game_screen.cpp b/src/ui/game_screen.cpp
index 408a1457..5acec3f6 100644
--- a/src/ui/game_screen.cpp
+++ b/src/ui/game_screen.cpp
@@ -214,10 +214,19 @@ void GameScreen::render(game::GameHandler& gameHandler) {
         gameHandler.setLevelUpCallback([this](uint32_t newLevel) {
             levelUpFlashAlpha_ = 1.0f;
             levelUpDisplayLevel_ = newLevel;
+            triggerDing(newLevel);
         });
         levelUpCallbackSet_ = true;
     }
 
+    // Set up achievement toast callback (once)
+    if (!achievementCallbackSet_) {
+        gameHandler.setAchievementEarnedCallback([this](uint32_t id, const std::string& name) {
+            triggerAchievementToast(id, name);
+        });
+        achievementCallbackSet_ = true;
+    }
+
     // Apply UI transparency setting
     float prevAlpha = ImGui::GetStyle().Alpha;
     ImGui::GetStyle().Alpha = uiOpacity_;