diff --git a/src/audio.rs b/src/audio.rs
index 5fb2242..be5271a 100644
--- a/src/audio.rs
+++ b/src/audio.rs
@@ -61,7 +61,7 @@ pub fn setup(
             source: SoundBGM(asset_server.load(ASSET_BGM)).0.clone(),
             settings: PlaybackSettings {
                 mode: PlaybackMode::Loop,
-                paused: settings.hud_active,
+                paused: settings.hud_active || settings.mute_music,
                 ..default()
             },
         },
@@ -72,7 +72,7 @@ pub fn setup(
             source: SoundBGM(asset_server.load(ASSET_RADIO)).0.clone(),
             settings: PlaybackSettings {
                 mode: PlaybackMode::Loop,
-                paused: !settings.hud_active,
+                paused: !settings.hud_active || settings.mute_music,
                 ..default()
             },
         },
@@ -111,6 +111,11 @@ pub fn toggle_bgm(
         evwriter_click.send(AudioClickEvent());
         evwriter_toggle.send(ToggleMusicEvent());
     }
+    if keyboard_input.just_pressed(KeyCode::KeyM) {
+        settings.mute_sfx ^= true;
+        evwriter_click.send(AudioClickEvent());
+        evwriter_toggle.send(ToggleMusicEvent());
+    }
 }
 
 pub fn play_sfx(
diff --git a/src/camera.rs b/src/camera.rs
index 2a8dec0..db104a2 100644
--- a/src/camera.rs
+++ b/src/camera.rs
@@ -2,7 +2,7 @@ use bevy::prelude::*;
 use bevy::input::mouse::MouseMotion;
 use bevy::window::PrimaryWindow;
 use std::{f32::consts::*, fmt};
-use crate::audio;
+use crate::{settings, audio};
 
 pub struct CameraControllerPlugin;
 
@@ -31,7 +31,6 @@ pub struct CameraController {
     pub key_run: KeyCode,
     pub key_stop: KeyCode,
     pub mouse_key_cursor_grab: MouseButton,
-    pub keyboard_key_toggle_cursor_grab: KeyCode,
     pub move_speed: f32,
     pub friction: f32,
     pub pitch: f32,
@@ -54,7 +53,6 @@ impl Default for CameraController {
             key_run: KeyCode::KeyR,
             key_stop: KeyCode::Space,
             mouse_key_cursor_grab: MouseButton::Left,
-            keyboard_key_toggle_cursor_grab: KeyCode::KeyM,
             move_speed: 1.0,
             friction: 0.1,
             pitch: 1.0, // pitch=0/yaw=0 -> face sun
@@ -72,13 +70,11 @@ impl fmt::Display for CameraController {
 Freecam Controls:
     Mouse\t- Move camera orientation
     {:?}\t- Hold to grab cursor
-    {:?}\t- Toggle cursor grab
     {:?} & {:?}\t- Fly forward & backwards
     {:?} & {:?}\t- Fly sideways left & right
     {:?} & {:?}\t- Fly up & down
     {:?}\t- Fly faster while held",
             self.mouse_key_cursor_grab,
-            self.keyboard_key_toggle_cursor_grab,
             self.key_forward,
             self.key_back,
             self.key_left,
@@ -93,6 +89,7 @@ Freecam Controls:
 #[allow(clippy::too_many_arguments)]
 fn run_camera_controller(
     time: Res<Time>,
+    settings: Res<settings::Settings>,
     mut windows: Query<&mut Window, With<PrimaryWindow>>,
     mut mouse_events: EventReader<MouseMotion>,
     mouse_button_input: Res<ButtonInput<MouseButton>>,
@@ -147,9 +144,6 @@ fn run_camera_controller(
             }
         }
 
-        if key_input.just_pressed(controller.keyboard_key_toggle_cursor_grab) {
-            *toggle_cursor_grab = !*toggle_cursor_grab;
-        }
         if mouse_button_input.just_pressed(controller.mouse_key_cursor_grab) {
             *mouse_cursor_grab = true;
         }
@@ -168,7 +162,7 @@ fn run_camera_controller(
         if axis_input != Vec3::ZERO {
             let new_velocity = controller.velocity + axis_input.normalize() * controller.move_speed;
             controller.velocity = new_velocity;
-            play_thruster_sound = true;
+            play_thruster_sound = !settings.mute_sfx;
         } else {
             controller.velocity *= 1.0 - friction;
             if controller.velocity.length_squared() < 1e-6 {