diff --git a/Test.gd b/Test.gd
index 37fb9a2..4857d9f 100644
--- a/Test.gd
+++ b/Test.gd
@@ -35,7 +35,7 @@ func _ready() -> void:
 	# Inject CORE
 	await get_tree().process_frame
 	add_child(core)
-	await get_tree().process_frame
+	await core.complete_init()
 	# Print information about CORE
 	core.logger.info("Test.gd", await core.get_formatted_string("""Version information:
 Release (semantic)    = %release_semantic%
diff --git a/src/Core.gd b/src/Core.gd
index fe99fbf..e843781 100644
--- a/src/Core.gd
+++ b/src/Core.gd
@@ -71,7 +71,6 @@ func _ready() -> void:
 	inject_modules()
 	custom_modules_node.name = "Custom Modules"
 	add_child(custom_modules_node)
-	logger.infof("Core", "Initialized CORE successfully")
 
 # Initialize modules
 ## Initializes all modules during the first initialization phase.[br]
@@ -126,6 +125,45 @@ func inject_modules() -> void:
 	add_child(edl)
 	add_child(storage)
 
+# Wait for all modules to be fully initialized
+## Wait for all builtin modules to be fully initialized.[br]
+## [br]
+## This ensures that all of CORE's builtin modules are fully initialized and ready.
+## [b]Not calling this function during startup may lead to runtime issues.[/b]
+func complete_init(no_success: bool = false) -> void:
+	var modsinit_builtin: Array[String] = ["workaround"]
+	var modsinit_custom: Array[String] = ["workaround"]
+	
+	while modsinit_builtin.size() != 0 and modsinit_custom.size() != 0:
+		# Clear arrays
+		modsinit_builtin = []
+		modsinit_custom = []
+		
+		# Check builtin modules
+		if !logger.initialized: modsinit_builtin.append("logger")
+		if !misc.initialized: modsinit_builtin.append("misc")
+		if !sms.initialized: modsinit_builtin.append("sms")
+		if !logui.initialized: modsinit_builtin.append("logui")
+		if !edl.initialized: modsinit_builtin.append("edl")
+		if !storage.initialized: modsinit_builtin.append("storage")
+		
+		# Check custom modules
+		for module_name in custom_modules:
+			if !custom_modules[module_name].initialized: modsinit_custom.append(module_name)
+		
+		# Print and sleep
+		if modsinit_builtin.size() != 0 or modsinit_custom.size() != 0:
+			print("Waiting for modules to finish initialization:")
+			if modsinit_builtin.size() != 0:
+				print("  Builtin: " + str(modsinit_builtin))
+			if modsinit_custom.size() != 0:
+				print("  Custom: " + str(modsinit_custom))
+			await get_tree().create_timer(1).timeout
+	
+	# Initialization complete
+	await get_tree().process_frame
+	if !no_success: logger.infof("Core", "Initialized CORE successfully")
+
 # Registers a custom module
 ## Registers a new custom module.
 func register_custom_module(module_name: String, module_class: CoreBaseModule) -> bool:
diff --git a/src/Logui.gd b/src/Logui.gd
index a01f66d..685de40 100644
--- a/src/Logui.gd
+++ b/src/Logui.gd
@@ -55,6 +55,9 @@ func _initialize() -> void:
 	logrtl.add_theme_font_override("bold_font", font_bold)
 	logrtl.add_theme_font_size_override("normal_font_size", 14)
 	logrtl.add_theme_font_size_override("bold_font_size", 14)
+	
+	# Mark as initialized
+	initialized = true
 
 func _pull_config() -> void:
 	background.visible = !core.config.headless and core.config.logui_enabled
diff --git a/src/Sms.gd b/src/Sms.gd
index e4721ec..7e0222d 100644
--- a/src/Sms.gd
+++ b/src/Sms.gd
@@ -41,6 +41,9 @@ func _initialize() -> void:
 	add_child(scenes_menu)
 	add_child(scenes_cutscene)
 	add_child(scenes_debug)
+	
+	# Mark as initialized
+	initialized = true
 
 func _pull_config() -> void:
 	if core.config.headless:
diff --git a/src/classes/Basemodule.gd b/src/classes/Basemodule.gd
index 8723e2b..0117e8d 100644
--- a/src/classes/Basemodule.gd
+++ b/src/classes/Basemodule.gd
@@ -30,10 +30,12 @@ var core: Core
 ## [br]
 ## Will be set before [method Node._ready]
 @onready var logger: CoreBaseModule = core.logger
+## Marks a module as fully initialized and ready.
+var initialized: bool = false
 
 ## CORE's replacement for [method Object._init] and [method Node._ready]
 ## It's [b]strongly[/b] recommended to initialize your module here.
-func _initialize() -> void: pass
+func _initialize() -> void: initialized = true
 ## Called by [method Core.apply_configuration].
 ## This should be used to update your module configuration.
 func _pull_config() -> void: pass