diff --git a/app/components/Home/TopScreen/Clock.vue b/app/components/Home/TopScreen/Clock.vue
index 3ac3359..37be751 100644
--- a/app/components/Home/TopScreen/Clock.vue
+++ b/app/components/Home/TopScreen/Clock.vue
@@ -1,58 +1,14 @@
 <script setup lang="ts">
 const { onRender } = useScreen();
+const { assets } = useAssets();
 
 const app = useAppStore();
 const store = useHomeStore();
-const { assets } = useAssets();
+const tickClock = useClockTick();
 
 const CENTER_X = 63;
 const CENTER_Y = 95;
 
-function drawLine(
-  ctx: CanvasRenderingContext2D,
-  x0: number,
-  y0: number,
-  x1: number,
-  y1: number,
-  width: number,
-) {
-  const dx = Math.abs(x1 - x0);
-  const dy = Math.abs(y1 - y0);
-  const sx = x0 < x1 ? 1 : -1;
-  const sy = y0 < y1 ? 1 : -1;
-  let err = dx - dy;
-
-  const drawThickPixel = (x: number, y: number) => {
-    const isVertical = dy > dx;
-
-    if (width === 1) {
-      ctx.fillRect(x, y, 1, 1);
-    } else if (isVertical) {
-      const offset = Math.floor((width - 1) / 2);
-      ctx.fillRect(x - offset, y, width, 1);
-    } else {
-      const offset = Math.floor((width - 1) / 2);
-      ctx.fillRect(x, y - offset, 1, width);
-    }
-  };
-
-  while (true) {
-    drawThickPixel(x0, y0);
-
-    if (x0 === x1 && y0 === y1) break;
-
-    const e2 = 2 * err;
-    if (e2 > -dy) {
-      err -= dy;
-      x0 += sx;
-    }
-    if (e2 < dx) {
-      err += dx;
-      y0 += sy;
-    }
-  }
-}
-
 onRender((ctx) => {
   ctx.globalAlpha = store.isIntro
     ? store.intro.topScreenOpacity
@@ -66,7 +22,9 @@ onRender((ctx) => {
     : store.isOutro && store.outro.animateTop
       ? store.outro.stage2Opacity
       : 1;
+
   const now = new Date();
+  tickClock(now);
 
   const renderHand = (
     value: number,
diff --git a/app/components/Projects/BottomScreen/Buttons.vue b/app/components/Projects/BottomScreen/Buttons.vue
index 216953c..c60aef9 100644
--- a/app/components/Projects/BottomScreen/Buttons.vue
+++ b/app/components/Projects/BottomScreen/Buttons.vue
@@ -58,6 +58,8 @@ const BIG_CIRCLE_DURATION = 0.09;
 const POST_DURATION = 0.07;
 
 const startButtonAnimation = (type: ButtonType) => {
+  assets.audio.pkmnButton.play();
+
   const anim: ButtonAnimation = {
     type,
     position: BUTTONS[type].position,
diff --git a/app/components/Projects/BottomScreen/LinkConfirmationPopup.vue b/app/components/Projects/BottomScreen/LinkConfirmationPopup.vue
index b3b5f0a..52f150c 100644
--- a/app/components/Projects/BottomScreen/LinkConfirmationPopup.vue
+++ b/app/components/Projects/BottomScreen/LinkConfirmationPopup.vue
@@ -53,13 +53,20 @@ useKeyDown(({ key }) => {
 
   switch (key) {
     case "NDS_UP":
-      selectedOption = "yes";
+      if (selectedOption !== "yes") {
+        selectedOption = "yes";
+        assets.audio.pkmnSelector.play();
+      }
       break;
     case "NDS_DOWN":
-      selectedOption = "no";
+      if (selectedOption !== "no") {
+        selectedOption = "no";
+        assets.audio.pkmnSelector.play();
+      }
       break;
     case "NDS_A":
     case "NDS_START":
+      assets.audio.pkmnSelector.play();
       setTimeout(() => {
         if (selectedOption === "yes") store.visitProject();
         store.showConfirmationPopup = false;
@@ -90,12 +97,14 @@ onClick((x, y) => {
   const ACTIVATION_DELAY = 50;
 
   if (rectContains([198, 105, 50, 14], [x, y])) {
+    assets.audio.pkmnSelector.play();
     selectedOption = "yes";
     setTimeout(() => {
       store.visitProject();
       store.showConfirmationPopup = false;
     }, ACTIVATION_DELAY);
   } else if (rectContains([198, 121, 50, 14], [x, y])) {
+    assets.audio.pkmnSelector.play();
     selectedOption = "no";
     setTimeout(() => (store.showConfirmationPopup = false), ACTIVATION_DELAY);
   }
diff --git a/app/components/Settings/BottomScreen/Menus/Clock/Achievements.vue b/app/components/Settings/BottomScreen/Menus/Clock/Achievements.vue
index c3a027c..b1e8eb1 100644
--- a/app/components/Settings/BottomScreen/Menus/Clock/Achievements.vue
+++ b/app/components/Settings/BottomScreen/Menus/Clock/Achievements.vue
@@ -131,6 +131,7 @@ const handleReset = () => {
 
 const handleVisitAll = () => {
   if (isAnimating.value) return;
+  assets.audio.menuOpen.play();
   achievementsScreen.animateFadeToBlackIntro();
 };
 
diff --git a/app/components/Settings/BottomScreen/Menus/Menus.vue b/app/components/Settings/BottomScreen/Menus/Menus.vue
index 563f2c8..c504057 100644
--- a/app/components/Settings/BottomScreen/Menus/Menus.vue
+++ b/app/components/Settings/BottomScreen/Menus/Menus.vue
@@ -71,11 +71,17 @@ const { select, selected, pressed, selectorPosition } = useButtonNavigation({
   onActivate: (buttonName) => {
     if (isSubMenu(buttonName)) {
       store.openSubMenu(buttonName);
+    } else if (buttonName === "touchScreen") {
+      store.openSubMenu("touchScreenTapTap");
     } else {
+      if (!store.menuExpanded) {
+        assets.audio.settingsMenuOpen.play();
+      } else {
+        assets.audio.tinyClick.play(0.8);
+      }
       if (buttonName === "options") select("optionsLanguage");
       if (buttonName === "clock") select("clockAchievements");
       if (buttonName === "user") select("userUserName");
-      if (buttonName === "touchScreen") store.openSubMenu("touchScreenTapTap");
     }
   },
   navigation: {
@@ -156,6 +162,21 @@ const { select, selected, pressed, selectorPosition } = useButtonNavigation({
     }
     return true;
   },
+  onNavigate: (buttonName) => {
+    if (isMainMenu(buttonName)) {
+      if (store.menuExpanded) {
+        assets.audio.settingsMenuClose.play();
+      } else {
+        assets.audio.tinyClick.play(0.8);
+      }
+    } else {
+      if (!store.menuExpanded) {
+        assets.audio.settingsMenuOpen.play();
+      } else {
+        assets.audio.tinyClick.play(0.8);
+      }
+    }
+  },
   disabled: computed(
     () =>
       store.currentSubMenu !== null ||
@@ -256,12 +277,17 @@ const handleActivateA = () => {
 
   if (isSubMenu(selected.value)) {
     store.openSubMenu(selected.value);
+  } else if (selected.value === "touchScreen") {
+    store.openSubMenu("touchScreenTapTap");
   } else {
+    if (!store.menuExpanded) {
+      assets.audio.settingsMenuOpen.play();
+    } else {
+      assets.audio.tinyClick.play(0.8);
+    }
     if (selected.value === "options") select("optionsLanguage");
     if (selected.value === "clock") select("clockAchievements");
     if (selected.value === "user") select("userUserName");
-    if (selected.value === "touchScreen")
-      store.openSubMenu("touchScreenTapTap");
   }
 };
 
@@ -270,6 +296,7 @@ const handleActivateB = () => {
     return;
 
   if (isSubmenuSelected.value) {
+    assets.audio.settingsMenuClose.play();
     select(getParentMenu(selected.value));
   } else {
     store.animateOutro();
diff --git a/app/components/Settings/BottomScreen/Menus/Options/2048.vue b/app/components/Settings/BottomScreen/Menus/Options/2048.vue
index 2c9867a..8e6381c 100644
--- a/app/components/Settings/BottomScreen/Menus/Options/2048.vue
+++ b/app/components/Settings/BottomScreen/Menus/Options/2048.vue
@@ -17,7 +17,7 @@ const handleActivateB = () => {
     onClosed: async (choice) => {
       if (choice === "A") {
         await animateOutro();
-        store.closeSubMenu();
+        store.closeSubMenu(true);
       }
     },
     keepButtonsDown: (choice) => choice === "A",
@@ -460,6 +460,8 @@ const slide = (rowDir: number, colDir: number) => {
     );
   if (!changed) return;
 
+  assets.audio.type.play(0.35);
+
   if (board.some((r) => r.some((c) => c >= 512))) {
     achievements.unlock("2048_score_512");
   }
@@ -534,11 +536,20 @@ const slide = (rowDir: number, colDir: number) => {
     }
   }
 
+  if (mergePairs.length > 0) {
+    const highestMerge = Math.max(...mergePairs.map((p) => p.mergedValue));
+    const boardMax = Math.max(0, ...beforeTiles.map((t) => t.value));
+    if (highestMerge > boardMax) {
+      assets.audio.duplicate.play(0.35);
+    }
+  }
+
   const spawned = spawnTile();
   saveState();
 
   if (isDead()) {
     buildTilesFromBoard();
+    assets.audio.invalid.play();
     showRestartModal();
     return;
   }
diff --git a/app/components/Settings/BottomScreen/Menus/Options/Language.vue b/app/components/Settings/BottomScreen/Menus/Options/Language.vue
index 972e61a..9ee6ae1 100644
--- a/app/components/Settings/BottomScreen/Menus/Options/Language.vue
+++ b/app/components/Settings/BottomScreen/Menus/Options/Language.vue
@@ -181,7 +181,7 @@ const handleActivateA = () => {
     ),
     onClosed: async () => {
       await animateOutro();
-      store.closeSubMenu();
+      store.closeSubMenu(true);
     },
     keepButtonsDown: true,
     timeout: 2000,
diff --git a/app/components/Settings/BottomScreen/Menus/Options/RenderingMode.vue b/app/components/Settings/BottomScreen/Menus/Options/RenderingMode.vue
index 599ec47..5380e4e 100644
--- a/app/components/Settings/BottomScreen/Menus/Options/RenderingMode.vue
+++ b/app/components/Settings/BottomScreen/Menus/Options/RenderingMode.vue
@@ -120,7 +120,7 @@ const handleActivateA = () => {
           : $t("settings.options.renderingMode.confirmation2d"),
       onClosed: async () => {
         await animateOutro();
-        store.closeSubMenu();
+        store.closeSubMenu(true);
       },
       keepButtonsDown: true,
       timeout: 2000,
diff --git a/app/components/Settings/BottomScreen/Menus/TouchScreen/TapTap.vue b/app/components/Settings/BottomScreen/Menus/TouchScreen/TapTap.vue
index 1ed2294..7e8348b 100644
--- a/app/components/Settings/BottomScreen/Menus/TouchScreen/TapTap.vue
+++ b/app/components/Settings/BottomScreen/Menus/TouchScreen/TapTap.vue
@@ -6,6 +6,7 @@ const app = useAppStore();
 const store = useSettingsStore();
 const achievements = useAchievementsStore();
 const confirmationModal = useConfirmationModal();
+const { assets } = useAssets();
 
 const { onRender, onClick } = useScreen();
 
@@ -161,7 +162,7 @@ const handleActivateB = () => {
       onClosed: async (choice) => {
         if (choice === "A") {
           await animateOutro();
-          store.closeSubMenu();
+          store.closeSubMenu(true);
         } else {
           state.value = "playing";
         }
@@ -190,6 +191,7 @@ const handleActivateA = async () => {
       },
     });
   } else if (state.value === "waiting") {
+    assets.audio.menuConfirmed.play();
     await gsap.to(animation, {
       areaOpacity: 0,
       duration: AREA_FADE_DURATION,
@@ -264,7 +266,7 @@ const showDeathScreen = () => {
         resetGame();
       } else {
         await animateOutro();
-        store.closeSubMenu();
+        store.closeSubMenu(true);
       }
     },
     keepButtonsDown: (choice) => choice === "B",
@@ -286,6 +288,7 @@ onClick((mx, my) => {
     const distance = Math.sqrt(dx * dx + dy * dy);
 
     if (distance <= circle.radius) {
+      assets.audio.type.play(0.35);
       rings.push({
         x: circle.x,
         y: circle.y,
@@ -336,7 +339,10 @@ onRender((ctx, deltaTime) => {
         lives--;
         if (lives <= 0) {
           state.value = "ended";
+          assets.audio.invalid.play();
           showDeathScreen();
+        } else {
+          assets.audio.eraser.play();
         }
         return false;
       }
diff --git a/app/components/Settings/BottomScreen/Menus/User/Birthday.vue b/app/components/Settings/BottomScreen/Menus/User/Birthday.vue
index cfeea7b..682d5b3 100644
--- a/app/components/Settings/BottomScreen/Menus/User/Birthday.vue
+++ b/app/components/Settings/BottomScreen/Menus/User/Birthday.vue
@@ -88,7 +88,7 @@ const handleActivateA = () => {
     text,
     onClosed: async () => {
       await animateOutro();
-      store.closeSubMenu();
+      store.closeSubMenu(true);
     },
     keepButtonsDown: true,
     timeout: 2000,
diff --git a/app/components/Settings/BottomScreen/Menus/User/Color.vue b/app/components/Settings/BottomScreen/Menus/User/Color.vue
index d8d2031..395bfba 100644
--- a/app/components/Settings/BottomScreen/Menus/User/Color.vue
+++ b/app/components/Settings/BottomScreen/Menus/User/Color.vue
@@ -156,16 +156,16 @@ useKeyDown(({ key }) => {
 
   switch (key) {
     case "NDS_UP":
-      if (selectedRow > 0) select(selectedCol, selectedRow - 1);
+      if (selectedRow > 0) { assets.audio.tinyClick.play(0.8); select(selectedCol, selectedRow - 1); }
       break;
     case "NDS_RIGHT":
-      if (selectedCol < GRID_SIZE - 1) select(selectedCol + 1, selectedRow);
+      if (selectedCol < GRID_SIZE - 1) { assets.audio.tinyClick.play(0.8); select(selectedCol + 1, selectedRow); }
       break;
     case "NDS_DOWN":
-      if (selectedRow < GRID_SIZE - 1) select(selectedCol, selectedRow + 1);
+      if (selectedRow < GRID_SIZE - 1) { assets.audio.tinyClick.play(0.8); select(selectedCol, selectedRow + 1); }
       break;
     case "NDS_LEFT":
-      if (selectedCol > 0) select(selectedCol - 1, selectedRow);
+      if (selectedCol > 0) { assets.audio.tinyClick.play(0.8); select(selectedCol - 1, selectedRow); }
       break;
   }
 });
@@ -186,6 +186,7 @@ onClick((x, y) => {
     rectContains([0, 0, GRID_SIZE - 1, GRID_SIZE - 1], [col, row]) &&
     rectContains([0, 0, CELL_SIZE + 1, CELL_SIZE + 1], [cellLocalX, cellLocalY])
   ) {
+    assets.audio.tinyClick.play(0.8);
     select(col, row);
   }
 });
@@ -288,7 +289,7 @@ const handleActivateA = () => {
     text: $t("settings.user.color.confirmation"),
     onClosed: async () => {
       await animateOutro();
-      store.closeSubMenu();
+      store.closeSubMenu(true);
     },
     keepButtonsDown: true,
     timeout: 2000,
diff --git a/app/components/Settings/BottomScreen/Menus/User/Snake.vue b/app/components/Settings/BottomScreen/Menus/User/Snake.vue
index 28e0714..b8239ce 100644
--- a/app/components/Settings/BottomScreen/Menus/User/Snake.vue
+++ b/app/components/Settings/BottomScreen/Menus/User/Snake.vue
@@ -120,7 +120,7 @@ const handleActivateB = async () => {
         onClosed: async (choice) => {
           if (choice === "A") {
             await animateOutro();
-            store.closeSubMenu();
+            store.closeSubMenu(true);
           } else {
             state.value = "alive";
           }
@@ -160,6 +160,7 @@ const handleActivateA = () => {
     }
 
     case "waiting": {
+      atlas.audio.menuConfirmed.play();
       spawn();
       break;
     }
@@ -207,6 +208,8 @@ const eat = () => {
   food.copy(randomFoodPos());
   score += 1;
 
+  atlas.audio.duplicate.play(0.35);
+
   if (score === 40) {
     achievements.unlock("snake_score_25");
   }
@@ -214,6 +217,7 @@ const eat = () => {
 
 const die = () => {
   state.value = "dead";
+  atlas.audio.invalid.play();
 };
 
 const spawn = () => {
@@ -351,6 +355,7 @@ useKeyDown(({ key }) => {
 
   if (newDirection.clone().dot(direction) === 0) {
     nextDirection.copy(newDirection);
+    atlas.audio.type.play(0.35);
   }
 });
 
diff --git a/app/components/Settings/TopScreen/Clock.vue b/app/components/Settings/TopScreen/Clock.vue
index 5337699..384ebc1 100644
--- a/app/components/Settings/TopScreen/Clock.vue
+++ b/app/components/Settings/TopScreen/Clock.vue
@@ -1,64 +1,21 @@
 <script setup lang="ts">
 const { onRender } = useScreen();
+const { assets } = useAssets();
 
 const app = useAppStore();
 const store = useSettingsStore();
-const { assets } = useAssets();
+const tickClock = useClockTick();
 
 const CENTER_X = 63;
 const CENTER_Y = 95;
 
-function drawLine(
-  ctx: CanvasRenderingContext2D,
-  x0: number,
-  y0: number,
-  x1: number,
-  y1: number,
-  width: number,
-) {
-  const dx = Math.abs(x1 - x0);
-  const dy = Math.abs(y1 - y0);
-  const sx = x0 < x1 ? 1 : -1;
-  const sy = y0 < y1 ? 1 : -1;
-  let err = dx - dy;
-
-  const drawThickPixel = (x: number, y: number) => {
-    const isVertical = dy > dx;
-
-    if (width === 1) {
-      ctx.fillRect(x, y, 1, 1);
-    } else if (isVertical) {
-      const offset = Math.floor((width - 1) / 2);
-      ctx.fillRect(x - offset, y, width, 1);
-    } else {
-      const offset = Math.floor((width - 1) / 2);
-      ctx.fillRect(x, y - offset, 1, width);
-    }
-  };
-
-  while (true) {
-    drawThickPixel(x0, y0);
-
-    if (x0 === x1 && y0 === y1) break;
-
-    const e2 = 2 * err;
-    if (e2 > -dy) {
-      err -= dy;
-      x0 += sx;
-    }
-    if (e2 < dx) {
-      err += dx;
-      y0 += sy;
-    }
-  }
-}
-
 onRender((ctx) => {
   ctx.translate(0, -16 + store.notificationYOffset / 3);
 
   assets.images.home.topScreen.clock.draw(ctx, 13, 45);
 
   const now = new Date();
+  tickClock(now);
 
   const renderHand = (
     value: number,
diff --git a/app/composables/useAssets.ts.in b/app/composables/useAssets.ts.in
index 5c92b6b..e559362 100644
--- a/app/composables/useAssets.ts.in
+++ b/app/composables/useAssets.ts.in
@@ -7,14 +7,18 @@ type Rect = [number, number, number, number];
 let atlasImage: HTMLImageElement | null = null;
 const modelCache = new Map<string, THREE.Group>();
 
-const createAudio = (path: string) => ({
-    play: () => {
-      if (!import.meta.client) return;
-      const audio = new Audio(path);
+const createAudio = (path: string) => {
+  const source = import.meta.client ? new Audio(path) : null;
+  return {
+    play: (volume = 1) => {
+      if (!source) return;
+      const audio = source.cloneNode() as HTMLAudioElement;
+      audio.volume = volume;
       audio.addEventListener("ended", () => audio.remove(), { once: true });
       audio.play().catch(() => {});
     },
-});
+  };
+};
 
 const loaded = ref(0);
 const total = ref({{TOTAL}});
@@ -104,6 +108,7 @@ type ModelTree = {
 
 export type AudioEntry = ReturnType<typeof createAudio>;
 
+
 type AudioTree = {
   [key: string]: AudioEntry | AudioTree;
 };
diff --git a/app/composables/useButtonNavigation.ts b/app/composables/useButtonNavigation.ts
index 3c0d7bc..65a0528 100644
--- a/app/composables/useButtonNavigation.ts
+++ b/app/composables/useButtonNavigation.ts
@@ -5,6 +5,7 @@ export const useButtonNavigation = <T extends Record<string, Rect>>({
   initialButton,
   canClickButton,
   onActivate,
+  onNavigate,
   navigation,
   disabled,
   selectorAnimation,
@@ -13,6 +14,7 @@ export const useButtonNavigation = <T extends Record<string, Rect>>({
   initialButton: keyof T;
   canClickButton?: (buttonName: keyof T) => boolean;
   onActivate?: (buttonName: keyof T) => void;
+  onNavigate?: (buttonName: keyof T) => void;
   navigation: Record<
     keyof T,
     {
@@ -231,6 +233,12 @@ export const useButtonNavigation = <T extends Record<string, Rect>>({
         if (selectedButton.value === buttonName) {
           onActivate?.(buttonName);
         } else {
+          if (onNavigate) {
+            onNavigate(buttonName);
+          } else {
+            const { assets } = useAssets();
+            assets.audio.tinyClick.play(0.8);
+          }
           const path = findPath(graph, selectedButton.value, buttonName);
 
           if (
@@ -356,6 +364,12 @@ export const useButtonNavigation = <T extends Record<string, Rect>>({
     }
 
     if (targetButton) {
+      if (onNavigate) {
+        onNavigate(targetButton);
+      } else {
+        const { assets } = useAssets();
+        assets.audio.tinyClick.play(0.8);
+      }
       const path = findPath(graph, selectedButton.value, targetButton);
       animateToButton(targetButton, path);
     }
diff --git a/app/composables/useClockTick.ts b/app/composables/useClockTick.ts
new file mode 100644
index 0000000..a24cfc3
--- /dev/null
+++ b/app/composables/useClockTick.ts
@@ -0,0 +1,12 @@
+let lastSecond = -1;
+
+export const useClockTick = () => {
+  const { assets } = useAssets();
+
+  return (now: Date) => {
+    const s = now.getSeconds();
+    if (s === lastSecond) return;
+    lastSecond = s;
+    assets.audio.clockTick.play(s === 0 ? 1 : 0.7);
+  };
+};
diff --git a/app/stores/achievements.ts b/app/stores/achievements.ts
index 06613bd..e1c7580 100644
--- a/app/stores/achievements.ts
+++ b/app/stores/achievements.ts
@@ -63,6 +63,9 @@ export const useAchievementsStore = defineStore("achievements", () => {
 
     storage.value.unlocked.push(name);
 
+    const { assets } = useAssets();
+    assets.audio.messageReceived.play(0.5);
+
     if (storage.value.unlocked.length === ACHIEVEMENTS.length) {
       confetti.spawn();
     } else {
diff --git a/app/stores/achievementsScreen.ts b/app/stores/achievementsScreen.ts
index 0ec4579..beba9d3 100644
--- a/app/stores/achievementsScreen.ts
+++ b/app/stores/achievementsScreen.ts
@@ -137,6 +137,9 @@ export const useAchievementsScreen = defineStore("achievementsScreen", {
       this.isIntro = false;
       this.isOutro = true;
 
+      const { assets } = useAssets();
+      assets.audio.menuConfirmed.play();
+
       gsap
         .timeline()
         .fromTo(
diff --git a/app/stores/confirmationModal.ts b/app/stores/confirmationModal.ts
index 1fc140b..1b11409 100644
--- a/app/stores/confirmationModal.ts
+++ b/app/stores/confirmationModal.ts
@@ -45,6 +45,18 @@ export const useConfirmationModal = defineStore("confirmationModal", {
       this.isClosing = false;
       this.isOpen = true;
 
+      const { assets } = useAssets();
+      if (
+        options.aLabel !== undefined ||
+        options.bLabel !== undefined ||
+        options.onActivateA !== undefined ||
+        options.onActivateB !== undefined
+      ) {
+        assets.audio.menuOpen.play();
+      } else {
+        assets.audio.menuConfirmed.play();
+      }
+
       gsap
         .timeline()
         // standard buttons down
@@ -83,6 +95,20 @@ export const useConfirmationModal = defineStore("confirmationModal", {
 
       this.isClosing = true;
 
+      if (
+        this.aLabel !== null ||
+        this.bLabel !== null ||
+        this.onActivateA !== null ||
+        this.onActivateB !== null
+      ) {
+        const { assets } = useAssets();
+        if (choice === "A") {
+          assets.audio.menuConfirmed.play();
+        } else {
+          assets.audio.menuError.play();
+        }
+      }
+
       const keepButtonsDown =
         typeof this.keepButtonsDown === "function"
           ? this.keepButtonsDown(choice)
diff --git a/app/stores/contact.ts b/app/stores/contact.ts
index 1094f0a..b1c782a 100644
--- a/app/stores/contact.ts
+++ b/app/stores/contact.ts
@@ -77,6 +77,9 @@ export const useContactStore = defineStore("contact", {
     pushNotification(content: string) {
       this.notifications.push(content);
 
+      const { assets } = useAssets();
+      assets.audio.messageSent.play();
+
       gsap.fromTo(
         this,
         { notificationsYOffset: 20 },
@@ -92,6 +95,9 @@ export const useContactStore = defineStore("contact", {
     animateOutro() {
       this.isOutro = true;
 
+      const { assets } = useAssets();
+      assets.audio.menuConfirmed.play();
+
       const timeline = gsap.timeline({
         onComplete: () => {
           setTimeout(() => {
diff --git a/app/stores/credits.ts b/app/stores/credits.ts
index dde0436..c6e3754 100644
--- a/app/stores/credits.ts
+++ b/app/stores/credits.ts
@@ -113,6 +113,9 @@ export const useCreditsStore = defineStore("credits", {
       this.isIntro = false;
       this.isOutro = true;
 
+      const { assets } = useAssets();
+      assets.audio.menuConfirmed.play();
+
       gsap
         .timeline()
         .fromTo(
diff --git a/app/stores/home.ts b/app/stores/home.ts
index 3fe5431..816588c 100644
--- a/app/stores/home.ts
+++ b/app/stores/home.ts
@@ -102,6 +102,9 @@ export const useHomeStore = defineStore("home", {
     },
 
     animateOutro(to: AppScreen) {
+      const { assets } = useAssets();
+      assets.audio.menuOpen.play();
+
       if (to === "achievements") {
         const achievementsScreen = useAchievementsScreen();
         achievementsScreen.animateFadeToBlackIntro();
diff --git a/app/stores/intro.ts b/app/stores/intro.ts
index 9d2949c..38cbffc 100644
--- a/app/stores/intro.ts
+++ b/app/stores/intro.ts
@@ -32,6 +32,15 @@ export const useIntroStore = defineStore("intro", {
             this.isIntro = false;
           },
         })
+        .call(
+          () => {
+            const now = new Date();
+            const isBirthday = now.getMonth() === 3 && now.getDate() === 25;
+            (isBirthday ? assets.audio.birthdayStartup : assets.audio.startUp).play();
+          },
+          undefined,
+          delay,
+        )
         .to(
           this.intro,
           {
@@ -59,6 +68,9 @@ export const useIntroStore = defineStore("intro", {
     animateOutro() {
       this.isOutro = true;
 
+      const { assets } = useAssets();
+      assets.audio.tinyClick.play(0.8);
+
       gsap
         .timeline()
         .to(this.outro, {
diff --git a/app/stores/settings.ts b/app/stores/settings.ts
index 745b795..ec86a3c 100644
--- a/app/stores/settings.ts
+++ b/app/stores/settings.ts
@@ -68,6 +68,9 @@ export const useSettingsStore = defineStore("settings", {
     },
 
     async openSubMenu(submenu: SettingsSubMenu) {
+      const { assets } = useAssets();
+      assets.audio.menuOpen.play();
+
       await gsap
         .timeline()
         .to(this.submenuTransition, {
@@ -99,7 +102,12 @@ export const useSettingsStore = defineStore("settings", {
       }
     },
 
-    async closeSubMenu() {
+    async closeSubMenu(silent = false) {
+      if (!silent) {
+        const { assets } = useAssets();
+        assets.audio.menuError.play();
+      }
+
       await gsap
         .timeline()
         .to(this, {
@@ -148,6 +156,8 @@ export const useSettingsStore = defineStore("settings", {
     animateIntro() {
       this.isIntro = true;
 
+      const { assets } = useAssets();
+
       gsap
         .timeline()
         // bars
@@ -178,6 +188,7 @@ export const useSettingsStore = defineStore("settings", {
           { 1: 0, duration: 0.1, ease: "none" },
           0.2,
         )
+        .call(() => assets.audio.settingsMenuIntro.play(), undefined, 0.2)
         .fromTo(
           this.menuOffsets,
           { 2: -48 },
@@ -198,8 +209,11 @@ export const useSettingsStore = defineStore("settings", {
     animateOutro() {
       this.isOutro = true;
 
+      const { assets } = useAssets();
+
       gsap
         .timeline()
+        .call(() => assets.audio.settingsMenuOutro.play())
         // title notification
         .fromTo(
           this,
diff --git a/app/utils/canvas.ts b/app/utils/canvas.ts
index a5faf63..8f1d5fd 100644
--- a/app/utils/canvas.ts
+++ b/app/utils/canvas.ts
@@ -1,3 +1,48 @@
+export const drawLine = (
+  ctx: CanvasRenderingContext2D,
+  x0: number,
+  y0: number,
+  x1: number,
+  y1: number,
+  width: number,
+) => {
+  const dx = Math.abs(x1 - x0);
+  const dy = Math.abs(y1 - y0);
+  const sx = x0 < x1 ? 1 : -1;
+  const sy = y0 < y1 ? 1 : -1;
+  let err = dx - dy;
+
+  const drawThickPixel = (x: number, y: number) => {
+    const isVertical = dy > dx;
+
+    if (width === 1) {
+      ctx.fillRect(x, y, 1, 1);
+    } else if (isVertical) {
+      const offset = Math.floor((width - 1) / 2);
+      ctx.fillRect(x - offset, y, width, 1);
+    } else {
+      const offset = Math.floor((width - 1) / 2);
+      ctx.fillRect(x, y - offset, 1, width);
+    }
+  };
+
+  while (true) {
+    drawThickPixel(x0, y0);
+
+    if (x0 === x1 && y0 === y1) break;
+
+    const e2 = 2 * err;
+    if (e2 > -dy) {
+      err -= dy;
+      x0 += sx;
+    }
+    if (e2 < dx) {
+      err += dx;
+      y0 += sy;
+    }
+  }
+};
+
 export const fillTextCentered = (
   ctx: CanvasRenderingContext2D,
   text: string,
diff --git a/modules/asset-generator.ts b/modules/asset-generator.ts
index 27ebabf..f688116 100644
--- a/modules/asset-generator.ts
+++ b/modules/asset-generator.ts
@@ -76,7 +76,7 @@ export default defineNuxtModule({
     const rootDir = nuxt.options.rootDir;
     const imagesDir = join(rootDir, "app/assets/nds/images");
     const modelsDir = join(rootDir, "public/nds/models");
-    const audioDir = join(rootDir, "public/nds/audios");
+    const audioDir = join(rootDir, "public/nds/audio");
     const templateFile = join(rootDir, "app/composables/useAssets.ts.in");
     const outputFile = join(rootDir, "app/composables/useAssets.ts");
     const atlasOutputPath = join(rootDir, "public/nds/atlas.webp");
@@ -234,7 +234,7 @@ ${sp}  }`;
           node = node[key] as AudioTree;
         }
 
-        node[toCamelCase(fileName)] = `/nds/audios/${relative(audioDir, path)}`;
+        node[toCamelCase(fileName)] = `/nds/audio/${relative(audioDir, path)}`;
       }
 
       return tree;
diff --git a/public/nds/audio/birthday-startup.mp3 b/public/nds/audio/birthday-startup.mp3
new file mode 100644
index 0000000..44445ca
Binary files /dev/null and b/public/nds/audio/birthday-startup.mp3 differ
diff --git a/public/nds/audio/clock-tick.mp3 b/public/nds/audio/clock-tick.mp3
new file mode 100644
index 0000000..4a4f6c2
Binary files /dev/null and b/public/nds/audio/clock-tick.mp3 differ
diff --git a/public/nds/audio/duplicate.mp3 b/public/nds/audio/duplicate.mp3
new file mode 100644
index 0000000..c464a64
Binary files /dev/null and b/public/nds/audio/duplicate.mp3 differ
diff --git a/public/nds/audio/eraser.mp3 b/public/nds/audio/eraser.mp3
new file mode 100644
index 0000000..36a0f5f
Binary files /dev/null and b/public/nds/audio/eraser.mp3 differ
diff --git a/public/nds/audio/invalid.mp3 b/public/nds/audio/invalid.mp3
new file mode 100644
index 0000000..139b38f
Binary files /dev/null and b/public/nds/audio/invalid.mp3 differ
diff --git a/public/nds/audio/menu-confirmed.mp3 b/public/nds/audio/menu-confirmed.mp3
new file mode 100644
index 0000000..098e71e
Binary files /dev/null and b/public/nds/audio/menu-confirmed.mp3 differ
diff --git a/public/nds/audio/menu-error.mp3 b/public/nds/audio/menu-error.mp3
new file mode 100644
index 0000000..522484e
Binary files /dev/null and b/public/nds/audio/menu-error.mp3 differ
diff --git a/public/nds/audio/menu-open.mp3 b/public/nds/audio/menu-open.mp3
new file mode 100644
index 0000000..a5b7217
Binary files /dev/null and b/public/nds/audio/menu-open.mp3 differ
diff --git a/public/nds/audio/message-received.mp3 b/public/nds/audio/message-received.mp3
new file mode 100644
index 0000000..980af8c
Binary files /dev/null and b/public/nds/audio/message-received.mp3 differ
diff --git a/public/nds/audio/message-sent.mp3 b/public/nds/audio/message-sent.mp3
new file mode 100644
index 0000000..ad1176b
Binary files /dev/null and b/public/nds/audio/message-sent.mp3 differ
diff --git a/public/nds/audio/pkmn-button.mp3 b/public/nds/audio/pkmn-button.mp3
new file mode 100644
index 0000000..6965ffe
Binary files /dev/null and b/public/nds/audio/pkmn-button.mp3 differ
diff --git a/public/nds/audio/pkmn-selector.mp3 b/public/nds/audio/pkmn-selector.mp3
new file mode 100644
index 0000000..b611432
Binary files /dev/null and b/public/nds/audio/pkmn-selector.mp3 differ
diff --git a/public/nds/audio/settings-menu-close.mp3 b/public/nds/audio/settings-menu-close.mp3
new file mode 100644
index 0000000..4c3a832
Binary files /dev/null and b/public/nds/audio/settings-menu-close.mp3 differ
diff --git a/public/nds/audio/settings-menu-intro.mp3 b/public/nds/audio/settings-menu-intro.mp3
new file mode 100644
index 0000000..fc0707f
Binary files /dev/null and b/public/nds/audio/settings-menu-intro.mp3 differ
diff --git a/public/nds/audio/settings-menu-open.mp3 b/public/nds/audio/settings-menu-open.mp3
new file mode 100644
index 0000000..be1a5c4
Binary files /dev/null and b/public/nds/audio/settings-menu-open.mp3 differ
diff --git a/public/nds/audio/settings-menu-outro.mp3 b/public/nds/audio/settings-menu-outro.mp3
new file mode 100644
index 0000000..243c6ae
Binary files /dev/null and b/public/nds/audio/settings-menu-outro.mp3 differ
diff --git a/public/nds/audio/start-up.mp3 b/public/nds/audio/start-up.mp3
new file mode 100644
index 0000000..8c5d258
Binary files /dev/null and b/public/nds/audio/start-up.mp3 differ
diff --git a/public/nds/audio/tiny-click.mp3 b/public/nds/audio/tiny-click.mp3
new file mode 100644
index 0000000..6941851
Binary files /dev/null and b/public/nds/audio/tiny-click.mp3 differ
diff --git a/public/nds/audio/type.mp3 b/public/nds/audio/type.mp3
new file mode 100644
index 0000000..4783a0b
Binary files /dev/null and b/public/nds/audio/type.mp3 differ