diff --git a/data/locale/ca.yaml b/data/locale/ca.yaml
index 565aeab..a49f63b 100644
--- a/data/locale/ca.yaml
+++ b/data/locale/ca.yaml
@@ -61,6 +61,9 @@ service_menu:
   video_vsync: "VSYNC"
   video_aa: "ANTIALIAS"
   video_postfx: "POSTPROCESSAT"
+  # Items del submenu OPCIONS
+  options_language: "IDIOMA"
+  options_show_info: "MOSTRAR INFO"
   # Items del submenu AUDIO
   audio_master: "AUDIO"
   audio_master_volume: "VOLUM GENERAL"
diff --git a/data/locale/en.yaml b/data/locale/en.yaml
index d107c96..a10340e 100644
--- a/data/locale/en.yaml
+++ b/data/locale/en.yaml
@@ -60,6 +60,9 @@ service_menu:
   video_vsync: "VSYNC"
   video_aa: "ANTIALIAS"
   video_postfx: "POSTPROCESS"
+  # Items of OPTIONS submenu
+  options_language: "LANGUAGE"
+  options_show_info: "SHOW INFO"
   # Items of AUDIO submenu
   audio_master: "AUDIO"
   audio_master_volume: "MASTER VOLUME"
diff --git a/source/core/system/director.cpp b/source/core/system/director.cpp
index 0094ce1..0422a14 100644
--- a/source/core/system/director.cpp
+++ b/source/core/system/director.cpp
@@ -166,7 +166,7 @@ Director::Director(int argc, char* argv[])
         cfg_->rendering);
 
     System::Notifier::init(sdl_->getRenderer());
-    System::ServiceMenu::init(sdl_->getRenderer(), sdl_.get());
+    System::ServiceMenu::init(sdl_->getRenderer(), sdl_.get(), debug_overlay_.get());
 
     last_ticks_ms_ = SDL_GetTicks();
 }
diff --git a/source/core/system/service_menu.cpp b/source/core/system/service_menu.cpp
index a2d6819..5e5cef6 100644
--- a/source/core/system/service_menu.cpp
+++ b/source/core/system/service_menu.cpp
@@ -15,6 +15,7 @@
 #include "core/defaults/service_menu.hpp"
 #include "core/locale/locale.hpp"
 #include "core/rendering/sdl_manager.hpp"
+#include "core/system/debug_overlay.hpp"
 #include "core/types.hpp"
 #include "game/config_yaml.hpp"
 
@@ -55,8 +56,8 @@ namespace System {
 
     std::unique_ptr<ServiceMenu> ServiceMenu::instance;
 
-    void ServiceMenu::init(Rendering::Renderer* renderer, SDLManager* sdl) {
-        instance.reset(new ServiceMenu(renderer, sdl));
+    void ServiceMenu::init(Rendering::Renderer* renderer, SDLManager* sdl, DebugOverlay* debug_overlay) {
+        instance.reset(new ServiceMenu(renderer, sdl, debug_overlay));
     }
 
     void ServiceMenu::destroy() {
@@ -67,9 +68,10 @@ namespace System {
         return instance.get();
     }
 
-    ServiceMenu::ServiceMenu(Rendering::Renderer* renderer, SDLManager* sdl)
+    ServiceMenu::ServiceMenu(Rendering::Renderer* renderer, SDLManager* sdl, DebugOverlay* debug_overlay)
         : renderer_(renderer),
           sdl_(sdl),
+          debug_overlay_(debug_overlay),
           text_(renderer) {}
 
     auto ServiceMenu::isOpen() const -> bool {
@@ -118,7 +120,7 @@ namespace System {
         root.items = {
             makeSubmenu("service_menu.video", [this] { pushPage(buildVideoPage()); }),
             makeSubmenu("service_menu.audio", [this] { pushPage(buildAudioPage()); }),
-            makeSubmenu("service_menu.options", [this] { pushSubmenuPlaceholder("service_menu.options"); }),
+            makeSubmenu("service_menu.options", [this] { pushPage(buildOptionsPage()); }),
             makeSubmenu("service_menu.system", [this] { pushSubmenuPlaceholder("service_menu.system"); }),
         };
         stack_.clear();
@@ -304,6 +306,46 @@ namespace System {
         return page;
     }
 
+    auto ServiceMenu::buildOptionsPage() const -> Page {
+        auto on_off_text = [](bool v) -> std::string {
+            return Locale::get().text(v ? "service_menu.value_on" : "service_menu.value_off");
+        };
+
+        DebugOverlay* debug = debug_overlay_;
+
+        Page page;
+        page.title_key = "service_menu.options";
+        page.items = {
+            // IDIOMA (cycle entre ca i en, mateix codi que F7).
+            Item{
+                .kind = Kind::CYCLE,
+                .label_key = "service_menu.options_language",
+                .selectable = true,
+                .on_activate = {},
+                .get_value_text = [] { return Locale::get().text("language." + ConfigYaml::engine_config.locale); },
+                .on_change = [](int) {
+                    const std::string NEW_LANG = (ConfigYaml::engine_config.locale == "ca") ? "en" : "ca";
+                    if (Locale::get().switchTo(NEW_LANG)) {
+                        ConfigYaml::engine_config.locale = NEW_LANG;
+                        ConfigYaml::saveToFile();
+                    } },
+            },
+            // MOSTRAR INFO (debug overlay, equivalent a F11).
+            Item{
+                .kind = Kind::TOGGLE,
+                .label_key = "service_menu.options_show_info",
+                .selectable = true,
+                .on_activate = {},
+                .get_value_text = [debug, on_off_text] { return on_off_text(debug != nullptr && debug->isVisible()); },
+                .on_change = [debug](int) {
+                    if (debug != nullptr) {
+                        debug->toggle();
+                    } },
+            },
+        };
+        return page;
+    }
+
     void ServiceMenu::pushPage(Page page) {
         stack_.push_back(std::move(page));
         // El cursor salta a una pagina nova: enganxem el highlight per a
diff --git a/source/core/system/service_menu.hpp b/source/core/system/service_menu.hpp
index 24210cc..3c8d128 100644
--- a/source/core/system/service_menu.hpp
+++ b/source/core/system/service_menu.hpp
@@ -32,6 +32,8 @@ class SDLManager;
 
 namespace System {
 
+    class DebugOverlay;
+
     class ServiceMenu {
        public:
         // Tipus d'item de menu. En aquesta iteracio nomes s'usen SUBMENU i
@@ -64,10 +66,10 @@ namespace System {
             std::size_t cursor = 0;
         };
 
-        // Inicialitza el singleton amb el renderer global i l'SDLManager (per
-        // a operar amb video toggles: fullscreen, vsync, AA, postfx, zoom).
-        // Tots dos son propietat del Director i sobreviuen al menu.
-        static void init(Rendering::Renderer* renderer, SDLManager* sdl);
+        // Inicialitza el singleton amb el renderer global, l'SDLManager (video
+        // toggles: fullscreen, vsync, AA, postfx, zoom) i el DebugOverlay
+        // (toggle del HUD de debug a OPCIONS). Tots propietat del Director.
+        static void init(Rendering::Renderer* renderer, SDLManager* sdl, DebugOverlay* debug_overlay);
         static void destroy();
         [[nodiscard]] static auto get() -> ServiceMenu*;
 
@@ -83,12 +85,13 @@ namespace System {
         auto handleEvent(const SDL_Event& event) -> bool;
 
        private:
-        ServiceMenu(Rendering::Renderer* renderer, SDLManager* sdl);
+        ServiceMenu(Rendering::Renderer* renderer, SDLManager* sdl, DebugOverlay* debug_overlay);
 
         void buildRootPage();
         void pushSubmenuPlaceholder(const std::string& title_key);
         [[nodiscard]] auto buildVideoPage() const -> Page;
         [[nodiscard]] static auto buildAudioPage() -> Page;
+        [[nodiscard]] auto buildOptionsPage() const -> Page;
         void pushPage(Page page);
         void popPage();
         void moveCursor(int direction);
@@ -105,6 +108,7 @@ namespace System {
 
         Rendering::Renderer* renderer_;
         SDLManager* sdl_;
+        DebugOverlay* debug_overlay_;
         Graphics::VectorText text_;
 
         std::vector<Page> stack_;