diff --git a/res/project_script.lua b/res/project_client.lua
similarity index 76%
rename from res/project_script.lua
rename to res/project_client.lua
index 9158f361..ede54110 100644
--- a/res/project_script.lua
+++ b/res/project_client.lua
@@ -1,13 +1,13 @@
 local menubg
 
-local function clear_menu()
+function on_menu_clear()
     if menubg then
         menubg:destruct()
         menubg = nil
     end
 end
 
-local function configure_menu()
+function on_menu_setup()
     local controller = {}
     function controller.resize_menu_bg()
         local w, h = unpack(gui.get_viewport())
@@ -24,11 +24,3 @@ local function configure_menu()
     controller.resize_menu_bg()
     menu.page = "main"
 end
-
-function on_screen_changed(screen)
-    if screen ~= "menu" then
-        clear_menu()
-    else
-        configure_menu()
-    end
-end
diff --git a/src/devtools/Project.hpp b/src/devtools/Project.hpp
index 3824ecfd..be9d88a3 100644
--- a/src/devtools/Project.hpp
+++ b/src/devtools/Project.hpp
@@ -7,14 +7,14 @@
 #include "interfaces/Serializable.hpp"
 
 namespace scripting {
-    class IProjectScript;
+    class IClientProjectScript;
 }
 
 struct Project : Serializable {
     std::string name;
     std::string title;
     std::vector<std::string> basePacks;
-    std::unique_ptr<scripting::IProjectScript> script;
+    std::unique_ptr<scripting::IClientProjectScript> clientScript;
 
     ~Project();
 
diff --git a/src/engine/Engine.cpp b/src/engine/Engine.cpp
index 3f1ae9e5..0288d609 100644
--- a/src/engine/Engine.cpp
+++ b/src/engine/Engine.cpp
@@ -60,11 +60,11 @@ static std::unique_ptr<ImageData> load_icon() {
     return nullptr;
 }
 
-static std::unique_ptr<scripting::IProjectScript> load_project_script() {
-    io::path scriptFile = "project:project_script.lua";
+static std::unique_ptr<scripting::IClientProjectScript> load_client_project_script() {
+    io::path scriptFile = "project:project_client.lua";
     if (io::exists(scriptFile)) {
         logger.info() << "starting project script";
-        return scripting::load_project_script(scriptFile);
+        return scripting::load_client_project_script(scriptFile);
     } else {
         logger.warning() << "project script does not exists";
     }
@@ -83,6 +83,68 @@ Engine& Engine::getInstance() {
     return *instance;
 }
 
+void Engine::onContentLoad() {
+    editor->loadTools();
+    langs::setup(langs::get_current(), paths.resPaths.collectRoots());
+    
+    if (isHeadless()) {
+        return;
+    }
+    for (auto& pack : content->getAllContentPacks()) {
+        auto configFolder = pack.folder / "config";
+        auto bindsFile = configFolder / "bindings.toml";
+        if (io::is_regular_file(bindsFile)) {
+            input->getBindings().read(
+                toml::parse(
+                    bindsFile.string(), io::read_string(bindsFile)
+                ),
+                BindType::BIND
+            );
+        }
+    }
+    loadAssets();
+}
+
+void Engine::initializeClient() {
+    std::string title = project->title;
+    if (title.empty()) {
+        title = "VoxelCore v" +
+                        std::to_string(ENGINE_VERSION_MAJOR) + "." +
+                        std::to_string(ENGINE_VERSION_MINOR);
+    }
+    if (ENGINE_DEBUG_BUILD) {
+        title += " [debug]";
+    }
+    auto [window, input] = Window::initialize(&settings.display, title);
+    if (!window || !input){
+        throw initialize_error("could not initialize window");
+    }
+    window->setFramerate(settings.display.framerate.get());
+
+    time.set(window->time());
+    if (auto icon = load_icon()) {
+        icon->flipY();
+        window->setIcon(icon.get());
+    }
+    this->window = std::move(window);
+    this->input = std::move(input);
+
+    loadControls();
+
+    gui = std::make_unique<gui::GUI>(*this);
+    if (ENGINE_DEBUG_BUILD) {
+        menus::create_version_label(*gui);
+    }
+    keepAlive(settings.display.fullscreen.observe(
+        [this](bool value) {
+            if (value != this->window->isFullscreen()) {
+                this->window->toggleFullscreen();
+            }
+        },
+        true
+    ));
+}
+
 void Engine::initialize(CoreParameters coreParameters) {
     params = std::move(coreParameters);
     settingsHandler = std::make_unique<SettingsHandler>(settings);
@@ -111,70 +173,17 @@ void Engine::initialize(CoreParameters coreParameters) {
 
     controller = std::make_unique<EngineController>(*this);
     if (!params.headless) {
-        std::string title = project->title;
-        if (title.empty()) {
-            title = "VoxelCore v" +
-                            std::to_string(ENGINE_VERSION_MAJOR) + "." +
-                            std::to_string(ENGINE_VERSION_MINOR);
-        }
-        if (ENGINE_DEBUG_BUILD) {
-            title += " [debug]";
-        }
-        auto [window, input] = Window::initialize(&settings.display, title);
-        if (!window || !input){
-            throw initialize_error("could not initialize window");
-        }
-        window->setFramerate(settings.display.framerate.get());
-
-        time.set(window->time());
-        if (auto icon = load_icon()) {
-            icon->flipY();
-            window->setIcon(icon.get());
-        }
-        this->window = std::move(window);
-        this->input = std::move(input);
-
-        loadControls();
-
-        gui = std::make_unique<gui::GUI>(*this);
-        if (ENGINE_DEBUG_BUILD) {
-            menus::create_version_label(*gui);
-        }
-        keepAlive(settings.display.fullscreen.observe(
-            [this](bool value) {
-                if (value != this->window->isFullscreen()) {
-                    this->window->toggleFullscreen();
-                }
-            },
-            true
-        ));
+        initializeClient();
     }
     audio::initialize(!params.headless, settings.audio);
 
-    bool langNotSet = settings.ui.language.get() == "auto";
-    if (langNotSet) {
+    if (settings.ui.language.get() == "auto") {
         settings.ui.language.set(
             langs::locale_by_envlocale(platform::detect_locale())
         );
     }
     content = std::make_unique<ContentControl>(*project, paths, *input, [this]() {
-        editor->loadTools();
-        langs::setup(langs::get_current(), paths.resPaths.collectRoots());
-        if (!isHeadless()) {
-            for (auto& pack : content->getAllContentPacks()) {
-                auto configFolder = pack.folder / "config";
-                auto bindsFile = configFolder / "bindings.toml";
-                if (io::is_regular_file(bindsFile)) {
-                    input->getBindings().read(
-                        toml::parse(
-                            bindsFile.string(), io::read_string(bindsFile)
-                        ),
-                        BindType::BIND
-                    );
-                }
-            }
-            loadAssets();
-        }
+        onContentLoad();
     });
     scripting::initialize(this);
 
@@ -185,7 +194,7 @@ void Engine::initialize(CoreParameters coreParameters) {
         langs::setup(lang, paths.resPaths.collectRoots());
     }, true));
 
-    project->script = load_project_script();
+    project->clientScript = load_client_project_script();
 }
 
 void Engine::loadSettings() {
@@ -360,6 +369,9 @@ void Engine::loadProject() {
 }
 
 void Engine::setScreen(std::shared_ptr<Screen> screen) {
+    if (project->clientScript && this->screen) {
+        project->clientScript->onScreenChange(this->screen->getName(), false);
+    }
     // reset audio channels (stop all sources)
     audio::reset_channel(audio::get_channel_index("regular"));
     audio::reset_channel(audio::get_channel_index("ambient"));
@@ -367,8 +379,8 @@ void Engine::setScreen(std::shared_ptr<Screen> screen) {
     if (this->screen) {
         this->screen->onOpen();
     }
-    if (project->script && this->screen) {
-        project->script->onScreenChange(this->screen->getName());
+    if (project->clientScript && this->screen) {
+        project->clientScript->onScreenChange(this->screen->getName(), true);
     }
 }
 
diff --git a/src/engine/Engine.hpp b/src/engine/Engine.hpp
index 35619a2a..98bcd497 100644
--- a/src/engine/Engine.hpp
+++ b/src/engine/Engine.hpp
@@ -38,10 +38,6 @@ namespace devtools {
     class Editor;
 }
 
-namespace scripting {
-    class IProjectScript;
-}
-
 class initialize_error : public std::runtime_error {
 public:
     initialize_error(const std::string& message) : std::runtime_error(message) {}
@@ -86,6 +82,9 @@ class Engine : public util::ObjectsKeeper {
     void updateHotkeys();
     void loadAssets();
     void loadProject();
+
+    void initializeClient();
+    void onContentLoad();
 public:
     Engine();
     ~Engine();
diff --git a/src/logic/scripting/scripting.cpp b/src/logic/scripting/scripting.cpp
index bb33a8bc..19ad225d 100644
--- a/src/logic/scripting/scripting.cpp
+++ b/src/logic/scripting/scripting.cpp
@@ -117,20 +117,19 @@ public:
     }
 };
 
-class LuaProjectScript : public IProjectScript {
+class LuaProjectScript : public IClientProjectScript {
 public:
     LuaProjectScript(lua::State* L, scriptenv env) : L(L), env(std::move(env)) {}
 
-    void onScreenChange(const std::string& name) override {
+    void onScreenChange(const std::string& name, bool show) override {
         if (!lua::pushenv(L, *env)) {
             return;
         }
-        if (!lua::getfield(L, "on_screen_changed")) {
+        if (!lua::getfield(L, "on_" + name + (show ? "_setup" : "_clear"))) {
             lua::pop(L);
             return;
         }
-        lua::pushlstring(L, name);
-        lua::call_nothrow(L, 1, 0);
+        lua::call_nothrow(L, 0, 0);
         lua::pop(L);
     }
 private:
@@ -138,7 +137,7 @@ private:
     scriptenv env;
 };
 
-std::unique_ptr<IProjectScript> scripting::load_project_script(
+std::unique_ptr<IClientProjectScript> scripting::load_client_project_script(
     const io::path& script
 ) {
     auto L = lua::get_main_state();
diff --git a/src/logic/scripting/scripting.hpp b/src/logic/scripting/scripting.hpp
index b6f8733d..78eb8e13 100644
--- a/src/logic/scripting/scripting.hpp
+++ b/src/logic/scripting/scripting.hpp
@@ -65,14 +65,16 @@ namespace scripting {
 
     void process_post_runnables();
 
-    class IProjectScript {
+    class IClientProjectScript {
     public:
-        virtual ~IProjectScript() {}
+        virtual ~IClientProjectScript() {}
 
-        virtual void onScreenChange(const std::string& name) = 0;
+        virtual void onScreenChange(const std::string& name, bool show) = 0;
     };
 
-    std::unique_ptr<IProjectScript> load_project_script(const io::path& script);
+    std::unique_ptr<IClientProjectScript> load_client_project_script(
+        const io::path& script
+    );
 
     std::unique_ptr<Process> start_coroutine(const io::path& script);