diff --git a/core/extension/gdextension_spx_ext.cpp b/core/extension/gdextension_spx_ext.cpp
index 475ffdac6db4..3929d0402181 100644
--- a/core/extension/gdextension_spx_ext.cpp
+++ b/core/extension/gdextension_spx_ext.cpp
@@ -136,6 +136,15 @@ static void gdextension_spx_ext_request_exit(GdInt exit_code) {
 static void gdextension_spx_ext_on_runtime_panic(GdString msg) {
 	 extMgr->on_runtime_panic(msg);
 }
+static void gdextension_spx_ext_pause() {
+	 extMgr->pause();
+}
+static void gdextension_spx_ext_resume() {
+	 extMgr->resume();
+}
+static void gdextension_spx_ext_is_paused(GdBool* ret_val) {
+	*ret_val = extMgr->is_paused();
+}
 static void gdextension_spx_ext_destroy_all_pens() {
 	 extMgr->destroy_all_pens();
 }
@@ -776,6 +785,9 @@ void gdextension_spx_setup_interface() {
 	REGISTER_SPX_INTERFACE_FUNC(spx_camera_get_viewport_rect);
 	REGISTER_SPX_INTERFACE_FUNC(spx_ext_request_exit);
 	REGISTER_SPX_INTERFACE_FUNC(spx_ext_on_runtime_panic);
+	REGISTER_SPX_INTERFACE_FUNC(spx_ext_pause);
+	REGISTER_SPX_INTERFACE_FUNC(spx_ext_resume);
+	REGISTER_SPX_INTERFACE_FUNC(spx_ext_is_paused);
 	REGISTER_SPX_INTERFACE_FUNC(spx_ext_destroy_all_pens);
 	REGISTER_SPX_INTERFACE_FUNC(spx_ext_create_pen);
 	REGISTER_SPX_INTERFACE_FUNC(spx_ext_destroy_pen);
diff --git a/core/extension/gdextension_spx_ext.h b/core/extension/gdextension_spx_ext.h
index ca8844d5b8fb..1f0a19bb2314 100644
--- a/core/extension/gdextension_spx_ext.h
+++ b/core/extension/gdextension_spx_ext.h
@@ -86,6 +86,7 @@ typedef void (*GDExtensionSpxCallbackOnEngineStart)();
 typedef void (*GDExtensionSpxCallbackOnEngineUpdate)(GdFloat delta);
 typedef void (*GDExtensionSpxCallbackOnEngineFixedUpdate)(GdFloat delta);
 typedef void (*GDExtensionSpxCallbackOnEngineDestroy)();
+typedef void (*GDExtensionSpxCallbackOnEnginePause)(GdBool is_paused);
 
 typedef void (*GDExtensionSpxCallbackOnSceneSpriteInstantiated)(GdObj obj,GdString type_name);
 
@@ -139,6 +140,7 @@ typedef struct {
 	GDExtensionSpxCallbackOnEngineUpdate func_on_engine_update;
 	GDExtensionSpxCallbackOnEngineFixedUpdate func_on_engine_fixed_update;
 	GDExtensionSpxCallbackOnEngineDestroy func_on_engine_destroy;
+	GDExtensionSpxCallbackOnEnginePause func_on_engine_pause;
 
 	// scene
 	GDExtensionSpxCallbackOnSceneSpriteInstantiated func_on_scene_sprite_instantiated;
@@ -223,6 +225,9 @@ typedef void (*GDExtensionSpxCameraGetViewportRect)(GdRect2* ret_value);
 // SpxExt
 typedef void (*GDExtensionSpxExtRequestExit)(GdInt exit_code);
 typedef void (*GDExtensionSpxExtOnRuntimePanic)(GdString msg);
+typedef void (*GDExtensionSpxExtPause)();
+typedef void (*GDExtensionSpxExtResume)();
+typedef void (*GDExtensionSpxExtIsPaused)(GdBool* ret_value);
 typedef void (*GDExtensionSpxExtDestroyAllPens)();
 typedef void (*GDExtensionSpxExtCreatePen)(GdObj* ret_value);
 typedef void (*GDExtensionSpxExtDestroyPen)(GdObj obj);
diff --git a/core/extension/spx.cpp b/core/extension/spx.cpp
index 42c50abe6413..e664ccb42327 100644
--- a/core/extension/spx.cpp
+++ b/core/extension/spx.cpp
@@ -32,10 +32,18 @@
 #include "gdextension_spx_ext.h"
 #include "scene/main/node.h"
 #include "scene/main/window.h"
+#include "scene/main/scene_tree.h"
+#include "core/object/class_db.h"
 #include "spx_engine.h"
 #include "spx_input_proxy.h"
 #include "spx_sprite.h"
 #include "spx_ui.h"
+#include "core/os/thread.h"
+
+// Simple node class for initialization
+class SpxEngineNode : public Node {
+	GDCLASS(SpxEngineNode, Node);
+};
 
 #define SPX_ENGINE SpxEngine::get_singleton()
 bool Spx::initialed = false;
@@ -60,7 +68,7 @@ void Spx::on_start(void *p_tree) {
 		return;
 	}
 
-	Node *new_node = memnew(Node);
+	SpxEngineNode *new_node = memnew(SpxEngineNode);
 	new_node->set_name("SpxEngineNode");
 	root->add_child(new_node);
 	SPX_ENGINE->set_root_node(tree, new_node);
@@ -98,3 +106,25 @@ void Spx::on_destroy() {
 	SPX_ENGINE->on_destroy();
 	initialed = false;
 }
+
+void Spx::pause() {
+	if (!initialed || !SpxEngine::has_initialed()) {
+		return;
+	}
+	SPX_ENGINE->pause();
+}
+
+void Spx::resume() {
+	if (!initialed || !SpxEngine::has_initialed()) {
+		return;
+	}
+	SPX_ENGINE->resume();
+}
+
+bool Spx::is_paused() {
+	if (!initialed || !SpxEngine::has_initialed()) {
+		return false;
+	}
+	// Query operations are generally safe from any thread
+	return SPX_ENGINE->is_paused();
+}
diff --git a/core/extension/spx.h b/core/extension/spx.h
index 0867b1d37a5f..c2449746a6f5 100644
--- a/core/extension/spx.h
+++ b/core/extension/spx.h
@@ -41,6 +41,11 @@ class Spx {
 	static void on_fixed_update(double delta);
 	static void on_update(double delta);
 	static void on_destroy();
+	
+	// Pause functionality - public interface
+	static void pause();
+	static void resume();
+	static bool is_paused();
 };
 
 #endif // SPX_H
diff --git a/core/extension/spx_base_mgr.cpp b/core/extension/spx_base_mgr.cpp
index a9f2f88651a7..255a512350e0 100644
--- a/core/extension/spx_base_mgr.cpp
+++ b/core/extension/spx_base_mgr.cpp
@@ -85,3 +85,11 @@ void SpxBaseMgr::on_destroy() {
 		owner = nullptr;
 	}
 }
+
+void SpxBaseMgr::on_pause() {
+	// Default implementation - override in derived classes if needed
+}
+
+void SpxBaseMgr::on_resume() {
+	// Default implementation - override in derived classes if needed
+}
diff --git a/core/extension/spx_base_mgr.h b/core/extension/spx_base_mgr.h
index 4d3ad9782807..f3cf45f9824a 100644
--- a/core/extension/spx_base_mgr.h
+++ b/core/extension/spx_base_mgr.h
@@ -74,6 +74,8 @@ class SpxBaseMgr {
 	virtual void on_fixed_update(float delta);
 	virtual void on_destroy();
 	virtual void on_exit(int exit_code);
+	virtual void on_pause();
+	virtual void on_resume();
 	virtual ~SpxBaseMgr() = default; // Added virtual destructor to fix -Werror=non-virtual-dtor
 };
 
diff --git a/core/extension/spx_engine.cpp b/core/extension/spx_engine.cpp
index 1d7bcd28f9f3..c3c0a883c1f5 100644
--- a/core/extension/spx_engine.cpp
+++ b/core/extension/spx_engine.cpp
@@ -31,8 +31,10 @@
 #include "spx_engine.h"
 #include "core/extension/gdextension.h"
 #include "core/os/memory.h"
+#include "core/os/thread.h"
 #include "gdextension_spx_ext.h"
 #include "scene/main/window.h"
+#include "scene/main/scene_tree.h"
 #include "spx_input_mgr.h"
 #include "spx_audio_mgr.h"
 #include "spx_physic_mgr.h"
@@ -59,6 +61,7 @@ static SpxCallbackInfo get_default_spx_callbacks() {
 	callbacks.func_on_engine_fixed_update = [](GdFloat delta){};
 	callbacks.func_on_engine_update = [](GdFloat delta){};
 	callbacks.func_on_engine_destroy = [](){};
+	callbacks.func_on_engine_pause = [](GdBool is_paused){};
 	callbacks.func_on_scene_sprite_instantiated = [](GdObj obj,GdString type_name){};
 	callbacks.func_on_sprite_ready = [](GdObj obj){};
 	callbacks.func_on_sprite_updated = [](GdFloat delta){};
@@ -129,6 +132,7 @@ void SpxEngine::register_callbacks(GDExtensionSpxCallbackInfoPtr callback_ptr) {
 	
 	singleton->callbacks = *(SpxCallbackInfo *)callback_ptr;
 	singleton->global_id = 1;
+	singleton->is_spx_paused = false;
 }
 
 SpxCallbackInfo *SpxEngine::get_callbacks() {
@@ -172,7 +176,7 @@ void SpxEngine::on_awake() {
 }
 
 void SpxEngine::on_fixed_update(float delta) {
-	if (has_exit) {
+	if (has_exit || is_spx_paused) {
 		return;
 	}
 	for (auto mgr : mgrs) {
@@ -184,9 +188,14 @@ void SpxEngine::on_fixed_update(float delta) {
 }
 
 void SpxEngine::on_update(float delta) {
-	if (has_exit) {
+	if (has_exit || is_spx_paused) {
 		return;
 	}
+	if(is_defer_call_pause){
+		_on_godot_pause_changed(defer_pause_value);
+		is_defer_call_pause = false;
+	}
+
 	for (auto mgr : mgrs) {
 		mgr->on_update(delta);
 	}
@@ -234,3 +243,63 @@ void SpxEngine::on_destroy() {
 	mgrs.clear();
 	singleton = nullptr;
 }
+
+// SPX Pause functionality implementation with thread safety
+void SpxEngine::pause() {
+	if (tree != nullptr) {
+		if (Thread::is_main_thread()) {
+			// Direct call on main thread
+			tree->set_pause(true);
+			// Directly notify about pause state change
+			_on_godot_pause_changed(true);
+		} else {
+			// Use SceneTree to defer call to main thread
+			tree->call_deferred("set_pause", true);
+			is_defer_call_pause = true;
+			defer_pause_value = true;
+			// Defer the pause notification as well
+			//callable_mp(this, &SpxEngine::_on_godot_pause_changed).call_deferred(true);
+		}
+	}
+}
+
+void SpxEngine::resume() {
+	if (tree != nullptr) {
+		if (Thread::is_main_thread()) {
+			// Direct call on main thread
+			tree->set_pause(false);
+			// Directly notify about pause state change
+			_on_godot_pause_changed(false);
+		} else {
+			// Use SceneTree to defer call to main thread
+			tree->call_deferred("set_pause", false);
+			is_defer_call_pause = true;
+			defer_pause_value = false;
+		}
+	}
+}
+
+bool SpxEngine::is_paused() const {
+	return is_spx_paused;
+}
+
+// Internal method for Godot pause synchronization
+void SpxEngine::_on_godot_pause_changed(bool is_godot_paused) {
+	if (is_godot_paused != is_spx_paused) {
+		is_spx_paused = is_godot_paused;
+		
+		// Notify all managers about pause/resume
+		for (auto mgr : mgrs) {
+			if (is_spx_paused) {
+				mgr->on_pause();
+			} else {
+				mgr->on_resume();
+			}
+		}
+		
+		// Call the pause callback to notify SPX users
+		if (callbacks.func_on_engine_pause != nullptr) {
+			callbacks.func_on_engine_pause(is_spx_paused);
+		}
+	}
+}
diff --git a/core/extension/spx_engine.h b/core/extension/spx_engine.h
index 9806d8838e40..2123d2ef80d4 100644
--- a/core/extension/spx_engine.h
+++ b/core/extension/spx_engine.h
@@ -96,6 +96,9 @@ class SpxEngine : SpxBaseMgr {
 	GDExtensionSpxGlobalRuntimePanicCallback on_runtime_panic;
 	GDExtensionSpxGlobalRuntimeExitCallback on_runtime_exit;
 	bool has_exit;
+	bool is_spx_paused;
+	bool is_defer_call_pause;
+	bool defer_pause_value;
 public:
 	SpxCallbackInfo *get_callbacks() ;
 	GDExtensionSpxGlobalRuntimePanicCallback get_on_runtime_panic() { return on_runtime_panic; }
@@ -113,6 +116,14 @@ class SpxEngine : SpxBaseMgr {
 	void on_update(float delta) override;
 	void on_destroy() override;
 	void on_exit(int exit_code) override;
+
+	// SPX Pause functionality - simplified interface
+	void pause();
+	void resume();
+	bool is_paused() const;
+	
+	// Internal methods for Godot pause synchronization
+	void _on_godot_pause_changed(bool is_godot_paused);
 };
 
 #endif // SPX_ENGINE_H
diff --git a/core/extension/spx_ext_mgr.cpp b/core/extension/spx_ext_mgr.cpp
index c1da844e4dc6..e05480701042 100644
--- a/core/extension/spx_ext_mgr.cpp
+++ b/core/extension/spx_ext_mgr.cpp
@@ -33,6 +33,7 @@
 #include "core/math/color.h"
 #include "scene/2d/line_2d.h"
 #include "scene/2d/sprite_2d.h"
+#include "spx.h"
 #include "spx_engine.h"
 #include "spx_pen.h"
 #include "spx_res_mgr.h"
@@ -177,3 +178,16 @@ void SpxExtMgr::set_pen_stamp_texture(GdObj obj, GdString texture_path) {
 	check_and_get_pen_v()
 	pen->set_stamp_texture(texture_path);
 }
+
+// Pause API implementations - delegate to Spx layer
+void SpxExtMgr::pause() {
+	Spx::pause();
+}
+
+void SpxExtMgr::resume() {
+	Spx::resume();
+}
+
+GdBool SpxExtMgr::is_paused() {
+	return Spx::is_paused();
+}
diff --git a/core/extension/spx_ext_mgr.h b/core/extension/spx_ext_mgr.h
index a59ed228c202..3271099b0144 100644
--- a/core/extension/spx_ext_mgr.h
+++ b/core/extension/spx_ext_mgr.h
@@ -59,6 +59,11 @@ class SpxExtMgr : SpxBaseMgr {
 	// engine API
 	void request_exit(GdInt exit_code);
 	void on_runtime_panic(GdString msg);
+	
+	// pause API
+	void pause();
+	void resume();
+	GdBool is_paused();
 
 	// obj APIs
 	void destroy_all_pens();
diff --git a/platform/web/godot_js_spx.cpp b/platform/web/godot_js_spx.cpp
index 6897a137c7a3..656edc3d3e43 100644
--- a/platform/web/godot_js_spx.cpp
+++ b/platform/web/godot_js_spx.cpp
@@ -161,6 +161,18 @@ void gdspx_ext_on_runtime_panic(GdString* msg) {
 	 extMgr->on_runtime_panic(*msg);
 }
 EMSCRIPTEN_KEEPALIVE
+void gdspx_ext_pause() {
+	 extMgr->pause();
+}
+EMSCRIPTEN_KEEPALIVE
+void gdspx_ext_resume() {
+	 extMgr->resume();
+}
+EMSCRIPTEN_KEEPALIVE
+void gdspx_ext_is_paused(GdBool* ret_val) {
+	*ret_val = extMgr->is_paused();
+}
+EMSCRIPTEN_KEEPALIVE
 void gdspx_ext_destroy_all_pens() {
 	 extMgr->destroy_all_pens();
 }
diff --git a/platform/web/godot_js_spx.h b/platform/web/godot_js_spx.h
index eaa5533d39ff..ca6126c98d85 100644
--- a/platform/web/godot_js_spx.h
+++ b/platform/web/godot_js_spx.h
@@ -20,6 +20,7 @@ extern void godot_js_spx_on_engine_start();
 extern void godot_js_spx_on_engine_update(GdFloat delta);
 extern void godot_js_spx_on_engine_fixed_update(GdFloat delta);
 extern void godot_js_spx_on_engine_destroy();
+extern void godot_js_spx_on_engine_pause(GdBool is_paused);
 
 extern void godot_js_spx_on_scene_sprite_instantiated(GdObj* obj,GdString type_name);
 
diff --git a/platform/web/godot_js_spx_callback.cpp b/platform/web/godot_js_spx_callback.cpp
index bcba08dc3c35..9c8b47112be4 100644
--- a/platform/web/godot_js_spx_callback.cpp
+++ b/platform/web/godot_js_spx_callback.cpp
@@ -31,6 +31,9 @@ static void _godot_js_spx_on_engine_fixed_update(GdFloat delta){
 static void _godot_js_spx_on_engine_destroy(){
 	godot_js_spx_on_engine_destroy();
 }
+static void _godot_js_spx_on_engine_pause(GdBool is_paused){
+	godot_js_spx_on_engine_pause(is_paused);
+}
 
 static void _godot_js_spx_on_scene_sprite_instantiated(GdObj obj,GdString type_name){
 	godot_js_spx_on_scene_sprite_instantiated(&obj, type_name);
@@ -157,6 +160,7 @@ void OS_Web::register_spx_callbacks() {
 	callback_infos->func_on_engine_update = &_godot_js_spx_on_engine_update;
 	callback_infos->func_on_engine_fixed_update = &_godot_js_spx_on_engine_fixed_update;
 	callback_infos->func_on_engine_destroy = &_godot_js_spx_on_engine_destroy;
+	callback_infos->func_on_engine_pause = &_godot_js_spx_on_engine_pause;
 	callback_infos->func_on_scene_sprite_instantiated = &_godot_js_spx_on_scene_sprite_instantiated;
 	callback_infos->func_on_sprite_ready = &_godot_js_spx_on_sprite_ready;
 	callback_infos->func_on_sprite_updated = &_godot_js_spx_on_sprite_updated;
diff --git a/platform/web/js/engine/gdspx.js b/platform/web/js/engine/gdspx.js
index 539ad4213b41..e25ea592b9e6 100644
--- a/platform/web/js/engine/gdspx.js
+++ b/platform/web/js/engine/gdspx.js
@@ -233,6 +233,26 @@ function gdspx_ext_on_runtime_panic(msg) {
 	FreeGdString(_arg0); 
 
 }
+function gdspx_ext_pause() {
+	var _gdFuncPtr =  GodotEngine.rtenv['_gdspx_ext_pause']; 
+	
+	_gdFuncPtr();
+
+}
+function gdspx_ext_resume() {
+	var _gdFuncPtr =  GodotEngine.rtenv['_gdspx_ext_resume']; 
+	
+	_gdFuncPtr();
+
+}
+function gdspx_ext_is_paused() {
+	var _gdFuncPtr =  GodotEngine.rtenv['_gdspx_ext_is_paused']; 
+	var _retValue = AllocGdBool();
+	_gdFuncPtr(_retValue);
+	var _finalRetValue = ToJsBool(_retValue);
+	FreeGdBool(_retValue); 
+	return _finalRetValue
+}
 function gdspx_ext_destroy_all_pens() {
 	var _gdFuncPtr =  GodotEngine.rtenv['_gdspx_ext_destroy_all_pens']; 
 	
diff --git a/platform/web/js/libs/library_godot_gdspx.js b/platform/web/js/libs/library_godot_gdspx.js
index d63f9f5dca58..d985c2329790 100644
--- a/platform/web/js/libs/library_godot_gdspx.js
+++ b/platform/web/js/libs/library_godot_gdspx.js
@@ -38,6 +38,12 @@ const GodotGdspx = {
 		window.gdspx_on_engine_destroy();
 	},
 
+	godot_js_spx_on_engine_pause__proxy: 'sync',
+	godot_js_spx_on_engine_pause__sig: 'vi',
+	godot_js_spx_on_engine_pause : function (is_on) {
+		window.gdspx_on_engine_pause(is_on);
+	},
+
 
 	godot_js_spx_on_engine_update__proxy: 'sync',
 	godot_js_spx_on_engine_update__sig: 'vf', 
@@ -51,12 +57,6 @@ const GodotGdspx = {
 		window.gdspx_on_engine_fixed_update(delta);
 	},
 
-	godot_js_spx_on_engine_destroy__proxy: 'sync',
-	godot_js_spx_on_engine_destroy__sig: 'v',
-	godot_js_spx_on_engine_destroy : function () {
-		window.gdspx_on_engine_destroy();
-	},
-
 	godot_js_spx_on_scene_sprite_instantiated__proxy: 'sync',
 	godot_js_spx_on_scene_sprite_instantiated__sig: 'vii',
 	godot_js_spx_on_scene_sprite_instantiated: function (obj, type_name) {