diff --git a/snake-game/examples/bevy_learning.rs b/snake-game/examples/bevy_learning.rs
index 8a51ba9..346289b 100644
--- a/snake-game/examples/bevy_learning.rs
+++ b/snake-game/examples/bevy_learning.rs
@@ -12,7 +12,7 @@ fn main() {
                 .set(bevy::log::LogPlugin {
                     level: Level::INFO,
                     filter: "wgpu_hal=warn,bevy_learning=trace".to_string(),
-                    fmt_layer: |_| snake_game::define_log_layer(),
+                    // fmt_layer: |_| snake_game::define_log_layer(),
                     ..Default::default()
                 })
                 .set(TaskPoolPlugin {
diff --git a/snake-game/src/core.rs b/snake-game/src/core.rs
new file mode 100644
index 0000000..f797b14
--- /dev/null
+++ b/snake-game/src/core.rs
@@ -0,0 +1,87 @@
+use bevy::{color::palettes::tailwind::*, prelude::*};
+
+use crate::{
+    domain::{End, FIELD_SIZE, GRID_SIZE, Tail},
+    observers::schedule_set_velocity,
+};
+
+/// Создать границу игрового поля
+pub fn spawn_bounds(commands: &mut Commands) {
+    commands.spawn((
+        Sprite::from_color(AMBER_500, vec2((FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32, 5.0)), //
+        Transform {
+            translation: vec3(0.0, (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0),
+            ..Default::default()
+        },
+    ));
+    commands.spawn((
+        Sprite::from_color(AMBER_500, vec2((FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32, 5.0)), //
+        Transform {
+            translation: vec3(0.0, -(FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0),
+            ..Default::default()
+        },
+    ));
+    commands.spawn((
+        Sprite::from_color(AMBER_500, vec2(5.0, (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32)), //
+        Transform {
+            translation: vec3((FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0, 0.0),
+            ..Default::default()
+        },
+    ));
+    commands.spawn((
+        Sprite::from_color(AMBER_500, vec2(5.0, (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32)), //
+        Transform {
+            translation: vec3(-(FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0, 0.0),
+            ..Default::default()
+        },
+    ));
+}
+
+/// Создать змейку
+pub fn spawn_snake(commands: &mut Commands) {
+    use crate::domain::{Direction, HEAD_SIZE, Head, SNAKE_VELOCITY, Velocity};
+
+    let head = commands
+        .spawn((
+            Head(Direction::default()),
+            Direction::default(),
+            Velocity(SNAKE_VELOCITY as f32),
+            Sprite::from_color(Color::srgb(1., 1., 1.), vec2(HEAD_SIZE as f32, HEAD_SIZE as f32)),
+            Transform {
+                translation: vec3(0.0, 0.0, 1.0),
+                ..Default::default()
+            },
+        ))
+        .id();
+    commands.spawn((
+        Sprite::from_color(Color::srgb(1., 0., 0.), vec2(HEAD_SIZE as f32 * 0.3, HEAD_SIZE as f32 * 0.3)),
+        Transform {
+            translation: vec3(HEAD_SIZE as f32 * -0.25, HEAD_SIZE as f32 * 0.25, 1.0),
+            ..Default::default()
+        },
+        ChildOf(head),
+    ));
+    commands.spawn((
+        Sprite::from_color(Color::srgb(0., 0., 1.), vec2(HEAD_SIZE as f32 * 0.2, HEAD_SIZE as f32 * 0.2)),
+        Transform {
+            translation: vec3(HEAD_SIZE as f32 * 0.25, HEAD_SIZE as f32 * 0.25, 1.0),
+            ..Default::default()
+        },
+        ChildOf(head),
+    ));
+
+    let tail = commands
+        .spawn((
+            Tail(head),
+            End,
+            Direction::default(),
+            Velocity(0.0),
+            Sprite::from_color(Color::srgb(0.7, 0.7, 0.7), vec2(HEAD_SIZE as f32 * 0.8, HEAD_SIZE as f32 * 0.8)),
+            Transform {
+                translation: vec3(0.0, 0.0, 0.0),
+                ..Default::default()
+            },
+        ))
+        .id();
+    commands.entity(head).observe(schedule_set_velocity(tail));
+}
diff --git a/snake-game/src/debug.rs b/snake-game/src/debug.rs
index 388fed3..c20cee0 100644
--- a/snake-game/src/debug.rs
+++ b/snake-game/src/debug.rs
@@ -1,4 +1,5 @@
 //! модуль с инструментами отладки
+#![allow(unused)]
 
 use bevy::{color::palettes::tailwind::*, prelude::*};
 
diff --git a/snake-game/src/domain/direction.rs b/snake-game/src/domain/direction.rs
index fb9ff08..6efb60e 100644
--- a/snake-game/src/domain/direction.rs
+++ b/snake-game/src/domain/direction.rs
@@ -1,7 +1,5 @@
 use bevy::prelude::*;
 
-use crate::domain::Position;
-
 /// Направление движения
 #[derive(Component, PartialEq, Clone, Copy, Debug)]
 pub enum Direction {
@@ -56,18 +54,6 @@ impl Direction {
         }
     }
 
-    /// Получить следующую позицию для текущего направления
-    pub fn dst_pos(&self, transform: &Transform) -> Position {
-        let mut pos = Position::from(transform);
-        match self {
-            Direction::Up => pos.y += 1,
-            Direction::Left => (),
-            Direction::Down => (),
-            Direction::Right => pos.x += 1,
-        };
-        pos
-    }
-
     /// Получить ориентацию в пространстве
     pub fn orientation(&self) -> Quat {
         use std::f32::consts::PI;
diff --git a/snake-game/src/domain/position.rs b/snake-game/src/domain/position.rs
index a0224da..ac5f0fa 100644
--- a/snake-game/src/domain/position.rs
+++ b/snake-game/src/domain/position.rs
@@ -5,7 +5,7 @@ use bevy::{
     transform::components::Transform,
 };
 
-use crate::domain::{Direction, GRID_SIZE};
+use crate::domain::GRID_SIZE;
 
 #[derive(Clone, Copy, Default, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct Position {
@@ -18,15 +18,6 @@ impl Position {
         Self { x, y }
     }
 
-    pub fn shift(&mut self, direction: &Direction) {
-        match direction {
-            Direction::Up => self.y += 1,
-            Direction::Left => self.x -= 1,
-            Direction::Down => self.y -= 1,
-            Direction::Right => self.x += 1,
-        }
-    }
-
     pub fn translation(&self) -> Vec2 {
         vec2(self.x as f32 * GRID_SIZE as f32, self.y as f32 * GRID_SIZE as f32)
     }
diff --git a/snake-game/src/game.rs b/snake-game/src/game.rs
new file mode 100644
index 0000000..cd70f4a
--- /dev/null
+++ b/snake-game/src/game.rs
@@ -0,0 +1,42 @@
+use bevy::prelude::*;
+
+pub struct SnakeGame;
+
+impl Plugin for SnakeGame {
+    fn build(&self, app: &mut bevy::app::App) {
+        app.add_plugins(
+            DefaultPlugins
+                .build()
+                .set(bevy::log::LogPlugin {
+                    level: tracing::Level::INFO,
+                    filter: "wgpu_hal=warn,snake_game=trace".to_string(),
+                    fmt_layer: |_| crate::tools::define_log_layer(),
+                    ..Default::default()
+                })
+                .set(TaskPoolPlugin {
+                    task_pool_options: TaskPoolOptions::with_num_threads(1),
+                }),
+        );
+
+        app.add_systems(Startup, crate::startup::setup_window);
+        app.add_systems(Startup, crate::startup::setup_time);
+        app.add_systems(Startup, crate::startup::startup);
+
+        app.add_systems(Update, crate::gameplay::head_rotation);
+
+        app.add_systems(PostUpdate, crate::gameplay::check_bounds_colisions);
+        app.add_systems(PostUpdate, crate::gameplay::check_tail_colisions);
+        app.add_systems(PostUpdate, crate::gameplay::check_meal_collisions);
+
+        app.add_systems(FixedUpdate, crate::gameplay::head_moving);
+        app.add_systems(FixedUpdate, crate::gameplay::snake_moving);
+
+        // DEBUG:
+
+        // app.add_systems(PostStartup, crate::debug::print_all_entities);
+        app.add_systems(Startup, crate::debug::set_initial_time_speed_to_slow_and_pause);
+        app.add_systems(Update, crate::debug::grow_up_on_tab);
+        app.add_systems(Update, crate::debug::print_all_entities_by_press_enter);
+        app.add_systems(Update, crate::debug::time_speed);
+    }
+}
diff --git a/snake-game/src/game/core.rs b/snake-game/src/game/core.rs
new file mode 100644
index 0000000..091891f
--- /dev/null
+++ b/snake-game/src/game/core.rs
@@ -0,0 +1,90 @@
+use bevy::{color::palettes::tailwind::*, prelude::*};
+
+use crate::{
+    domain::{End, FIELD_SIZE, GRID_SIZE, Tail},
+    observers::schedule_set_velocity,
+};
+
+/// Создать границу игрового поля
+pub fn spawn_bounds(commands: &mut Commands) {
+    commands.spawn((
+        Sprite::from_color(AMBER_500, vec2((FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32, 5.0)), //
+        Transform {
+            translation: vec3(0.0, (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0),
+            ..Default::default()
+        },
+    ));
+    commands.spawn((
+        Sprite::from_color(AMBER_500, vec2((FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32, 5.0)), //
+        Transform {
+            translation: vec3(0.0, -(FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0),
+            ..Default::default()
+        },
+    ));
+    commands.spawn((
+        Sprite::from_color(AMBER_500, vec2(5.0, (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32)), //
+        Transform {
+            translation: vec3((FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0, 0.0),
+            ..Default::default()
+        },
+    ));
+    commands.spawn((
+        Sprite::from_color(AMBER_500, vec2(5.0, (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32)), //
+        Transform {
+            translation: vec3(-(FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0, 0.0),
+            ..Default::default()
+        },
+    ));
+}
+
+/// Создать змейку
+pub fn spawn_snake(commands: &mut Commands) {
+    use crate::domain::{Direction, HEAD_SIZE, Head, SNAKE_VELOCITY, Velocity};
+
+    commands.spawn(Observer::new(crate::debug::trace_snake_moving));
+    commands.spawn(Observer::new(crate::observers::handle_collisions));
+
+    let head = commands
+        .spawn((
+            Head(Direction::default()),
+            Direction::default(),
+            Velocity(SNAKE_VELOCITY as f32),
+            Sprite::from_color(Color::srgb(1., 1., 1.), vec2(HEAD_SIZE as f32, HEAD_SIZE as f32)),
+            Transform {
+                translation: vec3(0.0, 0.0, 1.0),
+                ..Default::default()
+            },
+        ))
+        .id();
+    commands.spawn((
+        Sprite::from_color(Color::srgb(1., 0., 0.), vec2(HEAD_SIZE as f32 * 0.3, HEAD_SIZE as f32 * 0.3)),
+        Transform {
+            translation: vec3(HEAD_SIZE as f32 * -0.25, HEAD_SIZE as f32 * 0.25, 1.0),
+            ..Default::default()
+        },
+        ChildOf(head),
+    ));
+    commands.spawn((
+        Sprite::from_color(Color::srgb(0., 0., 1.), vec2(HEAD_SIZE as f32 * 0.2, HEAD_SIZE as f32 * 0.2)),
+        Transform {
+            translation: vec3(HEAD_SIZE as f32 * 0.25, HEAD_SIZE as f32 * 0.25, 1.0),
+            ..Default::default()
+        },
+        ChildOf(head),
+    ));
+
+    let tail = commands
+        .spawn((
+            Tail(head),
+            End,
+            Direction::default(),
+            Velocity(0.0),
+            Sprite::from_color(Color::srgb(0.7, 0.7, 0.7), vec2(HEAD_SIZE as f32 * 0.8, HEAD_SIZE as f32 * 0.8)),
+            Transform {
+                translation: vec3(0.0, 0.0, 0.0),
+                ..Default::default()
+            },
+        ))
+        .id();
+    commands.entity(head).observe(schedule_set_velocity(tail));
+}
diff --git a/snake-game/src/gameplay.rs b/snake-game/src/gameplay.rs
index 025d37d..fe41740 100644
--- a/snake-game/src/gameplay.rs
+++ b/snake-game/src/gameplay.rs
@@ -102,7 +102,7 @@ pub fn snake_moving(
     snake_path: Res<SnakePath>,
     mut commands: Commands,
 ) {
-    let _span = trace_span!("off_head_snake_moving").entered();
+    let _span = trace_span!("snake_moving").entered();
     for (mut transform, mut direction, Velocity(velocity), entity) in query.into_iter() {
         let snake_path = &snake_path;
         let switch_direction = move |pos: Position| snake_path.get(&pos).cloned();
diff --git a/snake-game/src/lib.rs b/snake-game/src/lib.rs
index 1f5835e..253fb20 100644
--- a/snake-game/src/lib.rs
+++ b/snake-game/src/lib.rs
@@ -1,10 +1,10 @@
-pub mod debug;
+mod core;
+mod debug;
 mod domain;
+mod game;
 mod gameplay;
 mod observers;
 mod startup;
 mod tools;
 
-pub use gameplay::{check_bounds_colisions, check_meal_collisions, check_tail_colisions, head_moving, head_rotation, snake_moving};
-pub use startup::{setup_window, startup};
-pub use tools::define_log_layer;
+pub use game::SnakeGame;
diff --git a/snake-game/src/main.rs b/snake-game/src/main.rs
index a9af779..9153109 100644
--- a/snake-game/src/main.rs
+++ b/snake-game/src/main.rs
@@ -1,57 +1,3 @@
-use bevy::prelude::*;
-use snake_game::{check_bounds_colisions, check_meal_collisions, check_tail_colisions, head_moving, head_rotation, setup_window, snake_moving, startup};
-
 fn main() {
-    App::new()
-        .add_plugins(
-            DefaultPlugins
-                .build()
-                .set(bevy::log::LogPlugin {
-                    level: tracing::Level::INFO,
-                    filter: "wgpu_hal=warn,snake_game=trace".to_string(),
-                    fmt_layer: |_| snake_game::define_log_layer(),
-                    ..Default::default()
-                })
-                .set(TaskPoolPlugin {
-                    task_pool_options: TaskPoolOptions::with_num_threads(1),
-                }),
-        )
-        .insert_resource(ClearColor(Color::srgb(0.3, 0.6, 0.8)))
-        .add_systems(
-            Startup,
-            (
-                || {}, //
-                setup_window,
-                startup,
-                snake_game::debug::set_initial_time_speed_to_slow_and_pause,
-            ),
-        )
-        .add_systems(
-            PostStartup,
-            (
-                || {},
-                // snake_game::debug::print_all_entities,
-            ),
-        )
-        .add_systems(
-            Update,
-            (
-                || {}, //
-                head_rotation,
-                snake_game::debug::grow_up_on_tab,
-            ),
-        )
-        .add_systems(FixedUpdate, (head_moving, snake_moving))
-        .add_systems(
-            PostUpdate,
-            (
-                || {}, //
-                check_bounds_colisions,
-                check_tail_colisions,
-                check_meal_collisions,
-                snake_game::debug::print_all_entities_by_press_enter,
-                snake_game::debug::time_speed,
-            ),
-        )
-        .run();
+    bevy::app::App::new().add_plugins(snake_game::SnakeGame).run();
 }
diff --git a/snake-game/src/startup.rs b/snake-game/src/startup.rs
index caa1c02..f27d5bf 100644
--- a/snake-game/src/startup.rs
+++ b/snake-game/src/startup.rs
@@ -1,10 +1,8 @@
 use bevy::{color::palettes::tailwind::*, prelude::*};
 
-use crate::{
-    domain::{End, FIELD_SIZE, GRID_SIZE, SnakePath, Tail},
-    observers::schedule_set_velocity,
-};
+use crate::domain::{FIELD_SIZE, GRID_SIZE, SnakePath};
 
+/// Настройка игрового окна
 pub fn setup_window(mut window: Single<&mut Window>) {
     window.resolution.set(
         (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 + 20.0,
@@ -12,106 +10,30 @@ pub fn setup_window(mut window: Single<&mut Window>) {
     );
 }
 
-/// Инициализация игрового мира
-pub fn startup(mut commands: Commands, mut time: ResMut<Time<Fixed>>) {
+/// Настройка игрового времени
+pub fn setup_time(mut time: ResMut<Time<Fixed>>) {
     time.set_timestep_hz(32.0);
+}
 
+/// Инициализация игрового мира
+pub fn startup(mut commands: Commands) {
+    commands.insert_resource(ClearColor(SKY_600.into()));
     commands.insert_resource(SnakePath::default());
 
     commands.spawn(Observer::new(crate::observers::clean_snake_path));
     commands.spawn(Observer::new(crate::observers::grow_up_snake));
+    commands.spawn(Observer::new(crate::observers::handle_collisions));
+
+    crate::core::spawn_bounds(&mut commands);
+    crate::core::spawn_snake(&mut commands);
+
+    commands.spawn(Camera2d);
+
+    // DEBUG:
+
     commands.spawn(Observer::new(crate::debug::trace_collisions));
-
-    spawn_bounds(&mut commands);
-
-    spawn_snake(&mut commands);
+    commands.spawn(Observer::new(crate::debug::trace_snake_moving));
 
     crate::debug::spawn_grid(&mut commands);
     crate::debug::spawn_some_meal(&mut commands);
-
-    commands.spawn(Camera2d);
-}
-
-/// Создать границу игрового поля
-fn spawn_bounds(commands: &mut Commands) {
-    commands.spawn((
-        Sprite::from_color(AMBER_500, vec2((FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32, 5.0)), //
-        Transform {
-            translation: vec3(0.0, (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0),
-            ..Default::default()
-        },
-    ));
-    commands.spawn((
-        Sprite::from_color(AMBER_500, vec2((FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32, 5.0)), //
-        Transform {
-            translation: vec3(0.0, -(FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0),
-            ..Default::default()
-        },
-    ));
-    commands.spawn((
-        Sprite::from_color(AMBER_500, vec2(5.0, (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32)), //
-        Transform {
-            translation: vec3((FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0, 0.0),
-            ..Default::default()
-        },
-    ));
-    commands.spawn((
-        Sprite::from_color(AMBER_500, vec2(5.0, (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32)), //
-        Transform {
-            translation: vec3(-(FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0, 0.0),
-            ..Default::default()
-        },
-    ));
-}
-
-/// Создать голову змеи
-fn spawn_snake(commands: &mut Commands) {
-    use crate::domain::{Direction, HEAD_SIZE, Head, SNAKE_VELOCITY, Velocity};
-
-    commands.spawn(Observer::new(crate::debug::trace_snake_moving));
-    commands.spawn(Observer::new(crate::observers::handle_collisions));
-
-    let head = commands
-        .spawn((
-            Head(Direction::default()),
-            Direction::default(),
-            Velocity(SNAKE_VELOCITY as f32),
-            Sprite::from_color(Color::srgb(1., 1., 1.), vec2(HEAD_SIZE as f32, HEAD_SIZE as f32)),
-            Transform {
-                translation: vec3(0.0, 0.0, 1.0),
-                ..Default::default()
-            },
-        ))
-        .id();
-    commands.spawn((
-        Sprite::from_color(Color::srgb(1., 0., 0.), vec2(HEAD_SIZE as f32 * 0.3, HEAD_SIZE as f32 * 0.3)),
-        Transform {
-            translation: vec3(HEAD_SIZE as f32 * -0.25, HEAD_SIZE as f32 * 0.25, 1.0),
-            ..Default::default()
-        },
-        ChildOf(head),
-    ));
-    commands.spawn((
-        Sprite::from_color(Color::srgb(0., 0., 1.), vec2(HEAD_SIZE as f32 * 0.2, HEAD_SIZE as f32 * 0.2)),
-        Transform {
-            translation: vec3(HEAD_SIZE as f32 * 0.25, HEAD_SIZE as f32 * 0.25, 1.0),
-            ..Default::default()
-        },
-        ChildOf(head),
-    ));
-
-    let tail = commands
-        .spawn((
-            Tail(head),
-            End,
-            Direction::default(),
-            Velocity(0.0),
-            Sprite::from_color(Color::srgb(0.7, 0.7, 0.7), vec2(HEAD_SIZE as f32 * 0.8, HEAD_SIZE as f32 * 0.8)),
-            Transform {
-                translation: vec3(0.0, 0.0, 0.0),
-                ..Default::default()
-            },
-        ))
-        .id();
-    commands.entity(head).observe(schedule_set_velocity(tail));
 }