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diff --git a/src/crepe/api/LoopManager.h b/src/crepe/api/LoopManager.h
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+++ b/src/crepe/api/LoopManager.h
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+#pragma once
+
+#include <memory>
+
+#include "../facade/SDLContext.h"
+#include "../manager/ComponentManager.h"
+#include "../manager/EventManager.h"
+#include "../manager/LoopTimerManager.h"
+#include "../manager/Mediator.h"
+#include "../manager/ResourceManager.h"
+#include "../manager/SaveManager.h"
+#include "../manager/SceneManager.h"
+#include "../system/System.h"
+
+namespace crepe {
+/**
+ * \brief Main game loop manager
+ *
+ * This class is responsible for managing the game loop, including initialization and updating.
+ */
+class LoopManager {
+public:
+	LoopManager();
+	/**
+	 * \brief Start the gameloop
+	 *
+	 * This is the start of the engine where the setup is called and then the loop keeps running until the game stops running.
+	 * The Game programmer needs to call this function to run the game. This should be done after creating and adding all scenes.
+	 */
+	void start();
+
+	/**
+	 * \brief Add a new concrete scene to the scene manager
+	 *
+	 * \tparam T  Type of concrete scene
+	 */
+	template <typename T>
+	void add_scene();
+
+private:
+	/**
+	 * \brief Setup function for one-time initialization.
+	 *
+	 * This function initializes necessary components for the game.
+	 */
+	void setup();
+	/**
+	 * \brief Main game loop function.
+	 *
+	 * This function runs the main loop, handling game updates and rendering.
+	 */
+	void loop();
+
+	/**
+	 * \brief Per-frame update.
+	 *
+	 * Updates the game state based on the elapsed time since the last frame.
+	 */
+	virtual void frame_update();
+
+	/**
+	 * \brief Fixed update executed at a fixed rate.
+	 *
+	 * This function updates physics and game logic based on LoopTimer's fixed_delta_time.
+	 */
+	virtual void fixed_update();
+
+	//! Indicates whether the game is running.
+	bool game_running = false;
+
+private:
+	//! Global context
+	Mediator mediator;
+
+	//! SDLContext instance
+	SDLContext sdl_context{mediator};
+	//! Component manager instance
+	ComponentManager component_manager{mediator};
+	//! Scene manager instance
+	SceneManager scene_manager{mediator};
+	//! LoopTimerManager instance
+	LoopTimerManager loop_timer{mediator};
+	//! EventManager instance
+	EventManager event_manager{mediator};
+	//! Resource manager instance
+	ResourceManager resource_manager{mediator};
+	//! Save manager instance
+	SaveManager save_manager{mediator};
+
+private:
+	/**
+	 * \brief Callback function for ShutDownEvent
+	 *
+	 * This function sets the game_running variable to false, stopping the gameloop and therefor quitting the game.
+	 */
+	bool on_shutdown(const ShutDownEvent & e);
+	/**
+	 * \brief Collection of System instances
+	 *
+	 * This map holds System instances indexed by the system's class typeid. It is filled in the
+	 * constructor of LoopManager using LoopManager::load_system.
+	 */
+	std::unordered_map<std::type_index, std::unique_ptr<System>> systems;
+	/**
+	 * \brief Initialize a system
+	 * \tparam T System type (must be derivative of \c System)
+	 */
+	template <class T>
+	void load_system();
+	/**
+	 * \brief Retrieve a reference to ECS system
+	 * \tparam T System type
+	 * \returns Reference to system instance
+	 * \throws std::runtime_error if the System is not initialized
+	 */
+	template <class T>
+	T & get_system();
+};
+
+} // namespace crepe
+
+#include "LoopManager.hpp"