diff --git a/src/main.rs b/src/main.rs
index dd3a797..f71bf36 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,10 +1,33 @@
 use bevy::prelude::*;
 use bevy_rapier2d::prelude::*;
 
-mod player {}
+mod game {
+    use bevy::prelude::*;
+    use bevy_rapier2d::prelude::*;
+
+    mod player {
+        use bevy::prelude::*;
+        use bevy_rapier2d::prelude::*;
+        #[derive(Component)]
+        struct Player;
+    }
+
+    fn game_plugin(app: &mut App) {}
+}
 
 const METER: f32 = 120.;
 
+enum AppState {
+    MainMenu,
+    InGame,
+    GameOver,
+}
+
+enum PausedState {
+    Paused,
+    Running,
+}
+
 fn main() {
     App::new()
         .add_plugins(DefaultPlugins)