diff --git a/snake-game/Cargo.toml b/snake-game/Cargo.toml
index 5b739fc..60aaa3b 100644
--- a/snake-game/Cargo.toml
+++ b/snake-game/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-bevy = { version = "0.18", default-features = false, features = ["2d_bevy_render", "bevy_log", "bevy_winit"] }
+bevy = { version = "0.18", default-features = false, features = ["2d_bevy_render", "bevy_log", "bevy_winit", "debug"] }
 tracing = "0.1"
 tracing-subscriber = "0.3"
 
diff --git a/snake-game/examples/bevy_learning.rs b/snake-game/examples/bevy_learning.rs
index 65c70cd..40cca5a 100644
--- a/snake-game/examples/bevy_learning.rs
+++ b/snake-game/examples/bevy_learning.rs
@@ -1,13 +1,17 @@
 /// Эксперименты в ходе прохождения туториала:
 /// https://github.com/fogarecious/bevy_tutorial
 use bevy::{prelude::*, winit::WinitSettings};
+use tracing::Level;
 
 fn main() {
     App::new()
+        // .add_plugins(MinimalPlugins)
         .add_plugins(
             DefaultPlugins
                 .build()
                 .set(bevy::log::LogPlugin {
+                    level: Level::INFO,
+                    filter: "bevy_app=trace".to_string(),
                     fmt_layer: |_| snake_game::define_log_layer(),
                     ..Default::default()
                 })
@@ -18,6 +22,7 @@ fn main() {
         .insert_resource(WinitSettings::desktop_app())
         .insert_resource(ClearColor(Color::srgb(0.3, 0.6, 0.8)))
         .add_systems(Startup, setup)
+        .add_systems(PostStartup, print_all_entities)
         .run();
 }
 
@@ -29,3 +34,9 @@ fn setup(mut commands: Commands) {
         Sprite::from_color(Color::srgb(1., 1., 1.), Vec2::new(100., 50.)),
     );
 }
+
+fn print_all_entities(mut commands: Commands, query: Query<Entity>) {
+    for entity in query {
+        commands.entity(entity).log_components();
+    }
+}
diff --git a/snake-game/src/lib.rs b/snake-game/src/lib.rs
index 1800193..e5dc8d6 100644
--- a/snake-game/src/lib.rs
+++ b/snake-game/src/lib.rs
@@ -4,20 +4,7 @@ pub fn define_log_layer() -> Option<bevy::log::BoxedFmtLayer> {
     use tracing::Level;
     use tracing_subscriber::{Layer, filter::Targets, fmt::layer};
 
-    let targets = Targets::new()
-        .with_target("bevy_asset", Level::INFO)
-        .with_target("bevy_app", Level::INFO)
-        .with_target("bevy_diagnostic", Level::WARN)
-        .with_target("bevy_render", Level::INFO)
-        .with_target("bevy_shader", Level::INFO)
-        .with_target("bevy_time", Level::INFO)
-        .with_target("bevy_winit", Level::INFO)
-        .with_target("gilrs", Level::INFO)
-        .with_target("naga", Level::INFO)
-        .with_target("wgpu_core", Level::INFO)
-        .with_target("wgpu_hal", Level::WARN)
-        .with_target("offset_allocator", Level::INFO)
-        .with_default(Level::TRACE);
+    let targets = Targets::new().with_default(Level::TRACE);
 
     let stdout = layer()
         .compact()
diff --git a/snake-game/tests/rust_learning.rs b/snake-game/tests/rust_learning.rs
new file mode 100644
index 0000000..237eb1a
--- /dev/null
+++ b/snake-game/tests/rust_learning.rs
@@ -0,0 +1,7 @@
+#[test]
+fn test_saturating_sub() {
+    let a: usize = 10;
+    dbg!(a.saturating_sub(5));
+    dbg!(a.saturating_sub(10));
+    dbg!(a.saturating_sub(15));
+}