diff --git a/src/core/app/mod.rs b/src/core/app/mod.rs
index f7320aa..c6c8a20 100644
--- a/src/core/app/mod.rs
+++ b/src/core/app/mod.rs
@@ -1,4 +1,2 @@
 mod app;
-pub mod plugin;
-
-pub use app::App;
+pub use app::*;
diff --git a/src/core/app/plugin.rs b/src/core/app/plugin.rs
deleted file mode 100644
index 987c540..0000000
--- a/src/core/app/plugin.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-use super::app::App;
-
-pub trait Plugin {
-    fn build(&self, app: &mut App);
-}
diff --git a/src/core/mod.rs b/src/core/mod.rs
index 07427ac..bd7ce34 100644
--- a/src/core/mod.rs
+++ b/src/core/mod.rs
@@ -1,6 +1,4 @@
 pub mod app;
 pub mod camera;
-pub mod old_app;
 pub mod render;
-pub mod scene;
 pub mod window;
diff --git a/src/core/scene.rs b/src/core/scene.rs
deleted file mode 100644
index a424da3..0000000
--- a/src/core/scene.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-use bevy_ecs::world::World;
-
-pub struct Scene {
-    world: World,
-}
-
-impl Scene {
-    pub fn new() -> Self {
-        Self {
-            world: World::new(),
-        }
-    }
-
-    pub fn world(&self) -> &World {
-        &self.world
-    }
-
-    pub fn world_mut(&mut self) -> &mut World {
-        &mut self.world
-    }
-}
diff --git a/src/core/window/config.rs b/src/core/window/config.rs
new file mode 100644
index 0000000..8fbef8c
--- /dev/null
+++ b/src/core/window/config.rs
@@ -0,0 +1,17 @@
+use bevy_ecs::system::Resource;
+use winit::{dpi::PhysicalSize, window::WindowAttributes};
+
+#[derive(Resource, Clone)]
+pub struct WindowConfig {
+    pub title: String,
+    pub width: u32,
+    pub height: u32,
+}
+
+impl Into<WindowAttributes> for &WindowConfig {
+    fn into(self) -> WindowAttributes {
+        WindowAttributes::default()
+            .with_title(self.title.clone())
+            .with_inner_size(PhysicalSize::new(self.width as f64, self.height as f64))
+    }
+}
diff --git a/src/core/window/mod.rs b/src/core/window/mod.rs
index 55f6a70..e600120 100644
--- a/src/core/window/mod.rs
+++ b/src/core/window/mod.rs
@@ -1,24 +1,27 @@
-pub mod window_handler;
-
-use super::app::{App, plugin::Plugin};
-use window_handler::WindowHandler;
+use config::WindowConfig;
+use state::WindowState;
 use winit::event_loop::EventLoop;
-use winit::window::WindowAttributes;
 
-pub struct WindowPlugin {
-    window_attributes: WindowAttributes,
-    event_loop: EventLoop<()>,
+use super::app::{App, AppExit};
+
+pub mod config;
+pub mod state;
+
+pub fn init(app: &mut App, window_config: WindowConfig) {
+    let world = app.world_mut();
+    world.insert_resource(window_config);
+
+    let mut event_loop_builder = EventLoop::with_user_event();
+    let event_loop = event_loop_builder.build().unwrap();
+
+    app.set_runner(Box::new(move |app| runner(app, event_loop)));
 }
 
-impl Plugin for WindowPlugin {
-    fn build(&self, app: &mut App) {
-        let world = app.world_mut();
-        world.insert_resource(WindowHandler::new(self.window_attributes.clone()));
+fn runner(app: App, event_loop: EventLoop<()>) -> AppExit {
+    let mut window_state = WindowState::new(app);
 
-        let window_handler = world.get_resource_mut::<WindowHandler>().unwrap();
-
-        // app.set_runner(Box::new(move || {
-        //     self.event_loop.run_app(&mut window_handler);
-        // }));
+    match event_loop.run_app(&mut window_state) {
+        Ok(_) => AppExit::Success,
+        Err(e) => AppExit::Error(Box::new(e)),
     }
 }
diff --git a/src/core/window/state.rs b/src/core/window/state.rs
new file mode 100644
index 0000000..94bfcc7
--- /dev/null
+++ b/src/core/window/state.rs
@@ -0,0 +1,45 @@
+use bevy_ecs::world::World;
+use winit::{
+    application::ApplicationHandler,
+    event::WindowEvent,
+    event_loop::ActiveEventLoop,
+    window::{Window, WindowId},
+};
+
+use crate::core::app::App;
+
+use super::config::WindowConfig;
+
+pub struct WindowState {
+    app: App,
+    window: Option<Window>,
+}
+
+impl WindowState {
+    pub fn new(app: App) -> Self {
+        Self { app, window: None }
+    }
+
+    fn world(&self) -> &World {
+        self.app.world()
+    }
+}
+
+impl ApplicationHandler for WindowState {
+    fn resumed(&mut self, event_loop: &ActiveEventLoop) {
+        let window_config = self.world().get_resource::<WindowConfig>().unwrap();
+
+        let window = event_loop.create_window(window_config.into()).unwrap();
+        self.window = Some(window);
+    }
+
+    fn window_event(&mut self, event_loop: &ActiveEventLoop, _id: WindowId, event: WindowEvent) {
+        match event {
+            WindowEvent::CloseRequested => {
+                log::debug!("The close button was pressed; stopping");
+                event_loop.exit();
+            }
+            _ => {}
+        }
+    }
+}
diff --git a/src/core/window/window_handler.rs b/src/core/window/window_handler.rs
deleted file mode 100644
index 2b87d35..0000000
--- a/src/core/window/window_handler.rs
+++ /dev/null
@@ -1,40 +0,0 @@
-use bevy_ecs::system::Resource;
-use winit::{
-    application::ApplicationHandler,
-    event::WindowEvent,
-    event_loop::ActiveEventLoop,
-    window::{Window, WindowAttributes, WindowId},
-};
-
-#[derive(Resource)]
-pub struct WindowHandler {
-    window_attributes: WindowAttributes,
-    window: Option<Box<Window>>,
-}
-
-impl WindowHandler {
-    pub fn new(window_attributes: WindowAttributes) -> Self {
-        Self {
-            window_attributes,
-            window: None,
-        }
-    }
-}
-impl ApplicationHandler for WindowHandler {
-    fn resumed(&mut self, event_loop: &ActiveEventLoop) {
-        let window = event_loop
-            .create_window(self.window_attributes.clone())
-            .unwrap();
-        self.window = Some(Box::new(window));
-    }
-
-    fn window_event(&mut self, event_loop: &ActiveEventLoop, _id: WindowId, event: WindowEvent) {
-        match event {
-            WindowEvent::CloseRequested => {
-                log::debug!("The close button was pressed; stopping");
-                event_loop.exit();
-            }
-            _ => {}
-        }
-    }
-}
diff --git a/src/game/mod.rs b/src/game/mod.rs
index 8b13789..ffee10f 100644
--- a/src/game/mod.rs
+++ b/src/game/mod.rs
@@ -1 +1,14 @@
+use crate::core::{
+    app::App,
+    window::{self, config::WindowConfig},
+};
 
+pub fn init(app: &mut App) {
+    let window_config = WindowConfig {
+        title: "Rust ASH Test".to_string(),
+        width: 800,
+        height: 600,
+    };
+
+    window::init(app, window_config);
+}
diff --git a/src/main.rs b/src/main.rs
index 9412fad..c981713 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,16 +3,18 @@ use winit::event_loop::{ControlFlow, EventLoop};
 
 pub mod core;
 pub mod game;
-pub mod vulkan;
+pub mod old_app;
 
 fn main() -> Result<(), impl Error> {
     env_logger::init();
 
-    run_new_app()
+    // run_new_app()
+    run_old_app()
 }
 
 fn run_new_app() -> Result<(), impl Error> {
-    let app = core::app::App::default();
+    let mut app = core::app::App::default();
+    game::init(&mut app);
     app.run()
 }
 
@@ -20,8 +22,8 @@ fn run_old_app() -> Result<(), impl Error> {
     let event_loop = EventLoop::new().unwrap();
     event_loop.set_control_flow(ControlFlow::Poll);
 
-    let vulkan_context = vulkan::vulkan_context::VulkanContext::from(&event_loop);
-    let mut app = core::old_app::App::from(vulkan_context);
+    let vulkan_context = old_app::vulkan_context::VulkanContext::from(&event_loop);
+    let mut app = old_app::app::App::from(vulkan_context);
 
     event_loop.run_app(&mut app)
 }
diff --git a/src/core/old_app.rs b/src/old_app/app.rs
similarity index 97%
rename from src/core/old_app.rs
rename to src/old_app/app.rs
index 93a7d56..cfcf038 100644
--- a/src/core/old_app.rs
+++ b/src/old_app/app.rs
@@ -1,6 +1,6 @@
-use crate::vulkan::scene::Scene;
-use crate::vulkan::vulkan_context::VulkanContext;
-use crate::vulkan::window_render_context::WindowRenderContext;
+use crate::old_app::scene::Scene;
+use crate::old_app::vulkan_context::VulkanContext;
+use crate::old_app::window_render_context::WindowRenderContext;
 use std::sync::Arc;
 use vulkano::command_buffer::{RenderingAttachmentInfo, RenderingInfo};
 use vulkano::render_pass::{AttachmentLoadOp, AttachmentStoreOp};
diff --git a/src/vulkan/mod.rs b/src/old_app/mod.rs
similarity index 87%
rename from src/vulkan/mod.rs
rename to src/old_app/mod.rs
index dc3d731..9fce0a9 100644
--- a/src/vulkan/mod.rs
+++ b/src/old_app/mod.rs
@@ -1,5 +1,5 @@
+pub mod app;
 pub mod pipelines;
+pub mod scene;
 pub mod vulkan_context;
 pub mod window_render_context;
-
-pub mod scene;
diff --git a/src/vulkan/pipelines/mod.rs b/src/old_app/pipelines/mod.rs
similarity index 100%
rename from src/vulkan/pipelines/mod.rs
rename to src/old_app/pipelines/mod.rs
diff --git a/src/vulkan/pipelines/triangle_pipeline.rs b/src/old_app/pipelines/triangle_pipeline.rs
similarity index 100%
rename from src/vulkan/pipelines/triangle_pipeline.rs
rename to src/old_app/pipelines/triangle_pipeline.rs
diff --git a/src/vulkan/scene.rs b/src/old_app/scene.rs
similarity index 97%
rename from src/vulkan/scene.rs
rename to src/old_app/scene.rs
index 22986ff..72e3f48 100644
--- a/src/vulkan/scene.rs
+++ b/src/old_app/scene.rs
@@ -1,4 +1,4 @@
-use crate::vulkan::pipelines::triangle_pipeline::shaders::vs;
+use crate::old_app::pipelines::triangle_pipeline::shaders::vs;
 use glam::{Mat3, Mat4, Vec3};
 use std::error::Error;
 use std::sync::Arc;
@@ -10,7 +10,7 @@ use vulkano::memory::allocator::{AllocationCreateInfo, MemoryTypeFilter};
 use vulkano::pipeline::{GraphicsPipeline, Pipeline, PipelineBindPoint};
 
 use crate::core::render::vertex::Vertex2D;
-use crate::vulkan::pipelines::triangle_pipeline::create_triangle_pipeline;
+use crate::old_app::pipelines::triangle_pipeline::create_triangle_pipeline;
 
 use super::vulkan_context::VulkanContext;
 use super::window_render_context::WindowRenderContext;
diff --git a/src/vulkan/vulkan_context.rs b/src/old_app/vulkan_context.rs
similarity index 100%
rename from src/vulkan/vulkan_context.rs
rename to src/old_app/vulkan_context.rs
diff --git a/src/vulkan/window_render_context.rs b/src/old_app/window_render_context.rs
similarity index 100%
rename from src/vulkan/window_render_context.rs
rename to src/old_app/window_render_context.rs