diff --git a/app/components/Common/AchievementNotification.vue b/app/components/Common/AchievementNotification.vue
new file mode 100644
index 0000000..791ebed
--- /dev/null
+++ b/app/components/Common/AchievementNotification.vue
@@ -0,0 +1,99 @@
+<script setup lang="ts">
+import gsap from "gsap";
+import type { Achievement } from "~/stores/achievements";
+
+const { onRender } = useScreen();
+const achievements = useAchievementsStore();
+const { assets } = useAssets();
+
+const queue = ref<Achievement[]>([]);
+const currentAchievement = ref<Achievement | null>(null);
+const x = ref(LOGICAL_WIDTH);
+const isAnimating = ref(false);
+
+const PADDING = 4;
+const LOGO_SIZE = assets.images.common.achievementNotificationLogo.rect.height;
+const NOTIF_HEIGHT = LOGO_SIZE + PADDING * 2;
+const NOTIF_WIDTH = 120;
+const NOTIF_Y = 3;
+const NOTIF_X_VISIBLE = LOGICAL_WIDTH - NOTIF_WIDTH;
+
+achievements.$onAction(({ name, args, after }) => {
+  if (name === "unlock") {
+    after((wasUnlocked) => {
+      if (wasUnlocked) {
+        queue.value.push(args[0]);
+        processQueue();
+      }
+    });
+  }
+});
+
+const processQueue = () => {
+  if (isAnimating.value || queue.value.length === 0) return;
+
+  const next = queue.value.shift();
+  if (!next) return;
+
+  currentAchievement.value = next;
+  isAnimating.value = true;
+
+  gsap
+    .timeline()
+    .to(x, {
+      value: NOTIF_X_VISIBLE,
+      duration: 0.3,
+      ease: "power2.out",
+    })
+    .to(
+      x,
+      {
+        value: LOGICAL_WIDTH,
+        duration: 0.3,
+        ease: "power2.in",
+      },
+      "+=2.5",
+    )
+    .call(() => {
+      currentAchievement.value = null;
+      isAnimating.value = false;
+      processQueue();
+    });
+};
+
+onRender((ctx) => {
+  if (!currentAchievement.value) return;
+
+  const logo = assets.images.common.achievementNotificationLogo;
+  const textOffset = LOGO_SIZE + PADDING * 2;
+
+  // Shadow
+  ctx.fillStyle = "rgba(0, 0, 0, 0.3)";
+  ctx.fillRect(x.value + 1, NOTIF_Y + 1, NOTIF_WIDTH, NOTIF_HEIGHT);
+
+  // Outer border (dark) - no right border
+  ctx.fillStyle = "#282828";
+  ctx.fillRect(x.value, NOTIF_Y, NOTIF_WIDTH, 1); // Top
+  ctx.fillRect(x.value, NOTIF_Y, 1, NOTIF_HEIGHT); // Left
+  ctx.fillRect(x.value, NOTIF_Y + NOTIF_HEIGHT - 1, NOTIF_WIDTH, 1); // Bottom
+
+  // Inner background (light)
+  ctx.fillStyle = "#fafafa";
+  ctx.fillRect(x.value + 1, NOTIF_Y + 1, NOTIF_WIDTH - 1, NOTIF_HEIGHT - 2);
+
+  // Logo
+  logo.draw(ctx, x.value + PADDING, NOTIF_Y + PADDING);
+
+  // Text
+  ctx.font = "8px NDS10";
+  ctx.textBaseline = "top";
+  ctx.fillStyle = "#282828";
+  ctx.fillText(
+    $t(`achievements.${currentAchievement.value}`),
+    x.value + textOffset,
+    NOTIF_Y + PADDING + (LOGO_SIZE - 8) / 2,
+  );
+}, 200);
+
+defineOptions({ render: () => null });
+</script>
diff --git a/app/components/Contact/BottomScreen/BottomScreen.vue b/app/components/Contact/BottomScreen/BottomScreen.vue
index 9d3fff7..4c398fb 100644
--- a/app/components/Contact/BottomScreen/BottomScreen.vue
+++ b/app/components/Contact/BottomScreen/BottomScreen.vue
@@ -6,6 +6,7 @@ import Buttons from "./Buttons.vue";
 import ButtonSelector from "~/components/Common/ButtonSelector.vue";
 
 const store = useContactStore();
+const achievements = useAchievementsStore();
 const confirmationModal = useConfirmationModal();
 
 const ACTIONS = {
@@ -65,6 +66,12 @@ const actionateButton = async (button: (typeof selected)["value"]) => {
         store.pushNotification(`${verb} opened`);
         await sleep(100);
         await navigateTo(content, { open: { target: "_blank " } });
+
+        await sleep(500);
+
+        if (button === "github") {
+          achievements.unlock("contact_git_visit");
+        }
       },
     });
   }
diff --git a/app/components/Settings/BottomScreen/Menus/Options/Language.vue b/app/components/Settings/BottomScreen/Menus/Options/Language.vue
index 4d2f897..79f7a5f 100644
--- a/app/components/Settings/BottomScreen/Menus/Options/Language.vue
+++ b/app/components/Settings/BottomScreen/Menus/Options/Language.vue
@@ -2,6 +2,7 @@
 const { locales, locale, setLocale } = useI18n();
 const store = useSettingsStore();
 const confirmationModal = useConfirmationModal();
+const achievements = useAchievementsStore();
 const { assets } = useAssets();
 const { onRender } = useScreen();
 
@@ -74,6 +75,13 @@ const handleConfirm = () => {
 
   setLocale(selectedLocale.code);
 
+  if (!achievements.advancement.languages.includes(selectedLocale.code)) {
+    achievements.advancement.languages.push(selectedLocale.code);
+    if (achievements.advancement.languages.length === locales.value.length) {
+      achievements.unlock("settings_language_try_all");
+    }
+  }
+
   confirmationModal.open({
     text: $t(
       "settings.options.language.confirmation",
diff --git a/app/components/Settings/BottomScreen/Menus/User/Color.vue b/app/components/Settings/BottomScreen/Menus/User/Color.vue
index f12f6b6..5a16cd5 100644
--- a/app/components/Settings/BottomScreen/Menus/User/Color.vue
+++ b/app/components/Settings/BottomScreen/Menus/User/Color.vue
@@ -5,6 +5,7 @@ const app = useAppStore();
 const store = useSettingsStore();
 const { assets } = useAssets();
 const confirmationModal = useConfirmationModal();
+const achievements = useAchievementsStore();
 
 const GRID_SIZE = 4;
 const GRID_START_X = 32;
@@ -15,6 +16,7 @@ const ANIMATION_SPEED = 475;
 
 const originalSelectedCol = app.color.col;
 const originalSelectedRow = app.color.row;
+const originalColor = app.color.hex;
 
 let selectedCol = app.color.col;
 let selectedRow = app.color.row;
@@ -108,6 +110,18 @@ const handleCancel = () => {
 
 const handleConfirm = () => {
   app.save();
+
+  if (app.color.hex !== originalColor) {
+    achievements.unlock("settings_color_change");
+  }
+
+  if (!achievements.advancement.colors.includes(app.color.hex)) {
+    achievements.advancement.colors.push(app.color.hex);
+    if (achievements.advancement.colors.length === APP_COLORS.flat().length) {
+      achievements.unlock("settings_color_try_all");
+    }
+  }
+
   confirmationModal.open({
     text: $t("settings.user.color.confirmation"),
     onClosed: () => store.closeSubMenu(),
diff --git a/app/components/Settings/BottomScreen/Menus/User/PersonalMessage.vue b/app/components/Settings/BottomScreen/Menus/User/PersonalMessage.vue
index 42d9f5e..bb2d6fd 100644
--- a/app/components/Settings/BottomScreen/Menus/User/PersonalMessage.vue
+++ b/app/components/Settings/BottomScreen/Menus/User/PersonalMessage.vue
@@ -3,6 +3,7 @@ import * as THREE from "three";
 import { useIntervalFn, useLocalStorage } from "@vueuse/core";
 
 const store = useSettingsStore();
+const achievements = useAchievementsStore();
 const confirmationModal = useConfirmationModal();
 
 const { onRender } = useScreen();
@@ -56,7 +57,11 @@ const handleConfirm = () => {
       break;
     }
 
-    case "waiting":
+    case "waiting": {
+      achievements.unlock("snake_play");
+      spawn();
+      break;
+    }
     case "dead": {
       spawn();
       break;
@@ -101,6 +106,10 @@ const eat = () => {
   highScore.value = Math.max(highScore.value, score);
   food.copy(randomFoodPos());
   score += 1;
+
+  if (score === 40) {
+    achievements.unlock("snake_score_40");
+  }
 };
 
 const die = () => {
diff --git a/app/pages/index.vue b/app/pages/index.vue
index c69bd4a..59d8fc5 100644
--- a/app/pages/index.vue
+++ b/app/pages/index.vue
@@ -76,6 +76,8 @@ useKeyUp((key) => {
           <ProjectsTopScreen v-else-if="app.screen === 'projects'" />
           <SettingsTopScreen v-else-if="app.screen === 'settings'" />
           <GalleryTopScreen v-else-if="app.screen === 'gallery'" />
+
+          <CommonAchievementNotification />
         </Screen>
       </div>
       <div>
diff --git a/app/stores/achievements.ts b/app/stores/achievements.ts
new file mode 100644
index 0000000..dbe8fdf
--- /dev/null
+++ b/app/stores/achievements.ts
@@ -0,0 +1,83 @@
+import { useLocalStorage } from "@vueuse/core";
+
+const STORAGE_ID = "achievements";
+
+export const ACHIEVEMENTS = [
+  "boot",
+  // projects
+  "projects_visit",
+  "projects_view_5",
+  "projects_open_link",
+  // gallery
+  "gallery_visit",
+  // contact
+  "contact_visit",
+  "contact_git_visit",
+  // settings
+  "settings_color_change",
+  // snake
+  "snake_play",
+  "snake_score_40",
+  // secrets
+  "settings_color_try_all",
+  "settings_language_try_all",
+  "settings_visit_all",
+  "contact_36_notifications",
+] as const;
+
+export type Achievement = (typeof ACHIEVEMENTS)[number];
+
+export const useAchievementsStore = defineStore("achievements", () => {
+  const app = useAppStore();
+  const { locale } = useI18n();
+
+  const storage = useLocalStorage(
+    STORAGE_ID,
+    {
+      unlocked: [] as Achievement[],
+      advancement: {
+        colors: [app.color.hex],
+        languages: [locale.value],
+        visitedSettings: [] as string[],
+      },
+    },
+    { mergeDefaults: true },
+  );
+
+  if (!storage.value.advancement.colors.includes(app.color.hex)) {
+    storage.value.advancement.colors.push(app.color.hex);
+  }
+  if (!storage.value.advancement.languages.includes(locale.value)) {
+    storage.value.advancement.languages.push(locale.value);
+  }
+
+  const unlock = (name: Achievement) => {
+    if (storage.value.unlocked.includes(name)) {
+      return false;
+    }
+
+    storage.value.unlocked.push(name);
+    return true;
+  };
+
+  const reset = () => {
+    storage.value = {
+      unlocked: [],
+      advancement: {
+        colors: [app.color.hex],
+        languages: [locale.value],
+        visitedSettings: [],
+      },
+    };
+  };
+
+  return {
+    achievements: computed(() => storage.value.unlocked),
+    advancement: computed(() => storage.value.advancement),
+    unlock,
+    reset,
+    isUnlocked: computed(
+      () => (name: Achievement) => storage.value.unlocked.includes(name),
+    ),
+  };
+});
diff --git a/app/stores/app.ts b/app/stores/app.ts
index f1397ab..3521033 100644
--- a/app/stores/app.ts
+++ b/app/stores/app.ts
@@ -41,6 +41,22 @@ export const useAppStore = defineStore("app", {
 
     navigateTo(screen: AppScreen) {
       this.screen = screen;
+
+      const achievements = useAchievementsStore();
+
+      switch (screen) {
+        case "projects":
+          achievements.unlock("projects_visit");
+          break;
+
+        case "gallery":
+          achievements.unlock("gallery_visit");
+          break;
+
+        case "contact":
+          achievements.unlock("contact_visit");
+          break;
+      }
     },
 
     setCamera(camera: THREE.Camera) {
diff --git a/app/stores/contact.ts b/app/stores/contact.ts
index 290aa22..b65a817 100644
--- a/app/stores/contact.ts
+++ b/app/stores/contact.ts
@@ -82,6 +82,11 @@ export const useContactStore = defineStore("contact", {
         { notificationsYOffset: 20 },
         { notificationsYOffset: 0, duration: 0.075 },
       );
+
+      if (this.notifications.length === 36) {
+        const achievements = useAchievementsStore();
+        achievements.unlock("contact_36_notifications");
+      }
     },
 
     animateOutro() {
diff --git a/app/stores/intro.ts b/app/stores/intro.ts
index 70875ad..9a1b1c9 100644
--- a/app/stores/intro.ts
+++ b/app/stores/intro.ts
@@ -68,7 +68,9 @@ export const useIntroStore = defineStore("intro", {
         })
         .call(() => {
           const app = useAppStore();
+          const achievements = useAchievementsStore();
           app.booted = true;
+          achievements.unlock("boot");
         });
     },
   },
diff --git a/app/stores/projects.ts b/app/stores/projects.ts
index 2b5c216..ebbcc95 100644
--- a/app/stores/projects.ts
+++ b/app/stores/projects.ts
@@ -61,7 +61,11 @@ export const useProjectsStore = defineStore("projects", {
 
     visitProject() {
       const link = this.projects[this.currentProject]?.link;
-      if (link) navigateTo(link, { open: { target: "_blank" } });
+      if (link) {
+        navigateTo(link, { open: { target: "_blank" } });
+        const achievements = useAchievementsStore();
+        achievements.unlock("projects_open_link");
+      }
     },
 
     scrollProjects(direction: "left" | "right") {
@@ -89,6 +93,13 @@ export const useProjectsStore = defineStore("projects", {
           },
         );
       }
+
+      if (this.currentProject >= 4) {
+        setTimeout(() => {
+          const achievements = useAchievementsStore();
+          achievements.unlock("projects_view_5");
+        }, 500);
+      }
     },
 
     // TODO: not used anymore
diff --git a/app/stores/settings.ts b/app/stores/settings.ts
index 018afe3..d543075 100644
--- a/app/stores/settings.ts
+++ b/app/stores/settings.ts
@@ -14,6 +14,17 @@ export const useSettingsStore = defineStore("settings", {
 
     openSubMenu(submenu: SettingsSubMenu) {
       this.currentSubMenu = submenu;
+
+      const achievements = useAchievementsStore();
+      if (!achievements.advancement.visitedSettings.includes(submenu)) {
+        achievements.advancement.visitedSettings.push(submenu);
+      }
+      if (
+        achievements.advancement.visitedSettings.length ===
+        SETTINGS_SUB_MENUS.length
+      ) {
+        achievements.unlock("settings_visit_all");
+      }
     },
 
     closeSubMenu() {
diff --git a/public/nds/images/common/achievement-notification-logo.webp b/public/nds/images/common/achievement-notification-logo.webp
new file mode 100644
index 0000000..aab8d5f
Binary files /dev/null and b/public/nds/images/common/achievement-notification-logo.webp differ