diff --git a/README.md b/README.md
index a5fad97..7f5e528 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,18 @@
-# Bavyjam
+# Bevyjam
+
+## TODO
+
+* name
+* scene management
+* stream audio (with HexoSynthDSP)
+* character fusion
+* color filters
+* level design
+* win
+* menu GUI
+* (?) can jump only from a surface (no mid-air jump)
+* (?) multiplayer
+* make WASM build work again (replace hanabi)
 
 ## Build
 
diff --git a/src/game.rs b/src/game.rs
index 4540285..2b85238 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -1,7 +1,8 @@
+#![allow(clippy::precedence)]
+
 use crate::AppState;
 
 use bevy::{
-	ecs::world::EntityMut,
 	input::{keyboard::KeyCode, Input},
 	prelude::{shape::Quad, *},
 	sprite::{MaterialMesh2dBundle, Mesh2dHandle},
@@ -237,7 +238,7 @@ fn collision_event_system(
 	mut commands: Commands,
 	current_level: Res<CurrentLevel>,
 	mut collision_events: EventReader<CollisionEvent>,
-	mut character_query: Query<&CharacterId>,
+	character_query: Query<&CharacterId>,
 	mut level_query: Query<(&mut SelectedCharacterId, &mut CharacterIdList)>,
 ) {
 	if let Some(level_entity) = current_level.0 {
@@ -253,6 +254,7 @@ fn collision_event_system(
 						if selected_character_id.0 == Some(*c2_id) {
 							selected_character_id.0 = Some(*c1_id);
 						}
+						commands.entity(*e2).despawn_recursive();
 					}
 				}
 			}
diff --git a/src/main.rs b/src/main.rs
index 42c0fb6..b41d884 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,10 +3,8 @@ mod menu;
 
 use bevy::{
 	core_pipeline::clear_color::ClearColorConfig,
-	input::{keyboard::KeyCode, Input},
 	prelude::*,
 	render::settings::{WgpuFeatures, WgpuSettings},
-	sprite::MaterialMesh2dBundle,
 };
 use bevy_fundsp::prelude::*;
 use bevy_hanabi::*;
@@ -14,7 +12,6 @@ use bevy_rapier2d::prelude::*;
 
 #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 enum AppState {
-	Setup,
 	Menu,
 	Game,
 }
@@ -42,7 +39,6 @@ fn setup(
 	mut commands: Commands,
 	mut dsp_manager: ResMut<DspManager>,
 	asset_server: Res<AssetServer>,
-	mut app_state: ResMut<State<AppState>>,
 ) {
 	let _font: Handle<Font> = asset_server.load("Cantarell-VF.otf");
 
@@ -57,6 +53,4 @@ fn setup(
 		brightness: 0.6,
 	});
 	dsp_manager.add_graph(game::sine_wave, 1.0);
-
-	//app_state.replace(AppState::Menu).unwrap();
 }
diff --git a/src/menu.rs b/src/menu.rs
index ed15eda..fc1b6e4 100644
--- a/src/menu.rs
+++ b/src/menu.rs
@@ -3,33 +3,42 @@ use crate::AppState;
 use bevy::{
 	input::{keyboard::KeyCode, Input},
 	prelude::*,
-	sprite::MaterialMesh2dBundle,
 };
 
 pub struct MenuPlugin;
 
+#[derive(Component)]
+struct Menu();
+
 impl Plugin for MenuPlugin {
 	fn build(&self, app: &mut App) {
 		app.add_system_set(SystemSet::on_enter(AppState::Menu).with_system(setup))
-			.add_system_set(
-				SystemSet::on_update(AppState::Menu).with_system(keyboard_input_system),
-			);
+			.add_system_set(SystemSet::on_update(AppState::Menu).with_system(keyboard_input_system))
+			.add_system_set(SystemSet::on_exit(AppState::Menu).with_system(despawn));
 	}
 }
 
 fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
-	commands.spawn_bundle(Text2dBundle {
-		text: Text::from_section(
-			"Press ENTER",
-			TextStyle {
-				font: asset_server.get_handle("Cantarell-VF.odt"),
-				font_size: 64.0,
-				color: Color::WHITE,
-			},
-		)
-		.with_alignment(TextAlignment::CENTER),
-		..Default::default()
-	});
+	commands
+		.spawn_bundle(Text2dBundle {
+			text: Text::from_section(
+				"Press ENTER",
+				TextStyle {
+					font: asset_server.get_handle("Cantarell-VF.otf"),
+					font_size: 64.0,
+					color: Color::WHITE,
+				},
+			)
+			.with_alignment(TextAlignment::CENTER),
+			..Default::default()
+		})
+		.insert(Menu());
+}
+
+fn despawn(mut commands: Commands, menu_query: Query<Entity, With<Menu>>) {
+	for entity in menu_query.iter() {
+		commands.entity(entity).despawn_recursive();
+	}
 }
 
 fn keyboard_input_system(