diff --git a/asset_dev/sfx/beam_loop.aup3 b/asset_dev/sfx/beam_loop.aup3
index e7c1f20..dcea343 100644
Binary files a/asset_dev/sfx/beam_loop.aup3 and b/asset_dev/sfx/beam_loop.aup3 differ
diff --git a/asset_dev/sfx/spray.aup3 b/asset_dev/sfx/spray.aup3
index 8931b51..6b91844 100644
Binary files a/asset_dev/sfx/spray.aup3 and b/asset_dev/sfx/spray.aup3 differ
diff --git a/assets/sfx/grunk/alarm_screech.wav b/assets/sfx/grunk/alarm_screech.wav
index 704c50c..e50f018 100644
--- a/assets/sfx/grunk/alarm_screech.wav
+++ b/assets/sfx/grunk/alarm_screech.wav
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:87b568eb570b58ecd13f2085f7692620332bc2c14ba03fe2ee0d02c20a939b35
+oid sha256:ebf1946d7f79f63b80b4fcb4ef71e7926e430487773a7be47f0ac5a413a5d5cf
 size 529244
diff --git a/assets/sfx/grunk/alarm_screech.wav.import b/assets/sfx/grunk/alarm_screech.wav.import
index 7008fd9..7bf59f7 100644
--- a/assets/sfx/grunk/alarm_screech.wav.import
+++ b/assets/sfx/grunk/alarm_screech.wav.import
@@ -2,7 +2,7 @@
 
 importer="wav"
 type="AudioStreamWAV"
-uid="uid://ypk1d4adrcs"
+uid="uid://6yo1n0l1jgok"
 path="res://.godot/imported/alarm_screech.wav-99f30850091e72de3c561e544b0403c0.sample"
 
 [deps]
diff --git a/assets/sfx/tools/beam_loop.wav b/assets/sfx/tools/beam_loop.wav
index dacb215..53973e7 100644
--- a/assets/sfx/tools/beam_loop.wav
+++ b/assets/sfx/tools/beam_loop.wav
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:cceae493ceac6b52671667572fc3926f2388c8b4175c1a744e451b7a9d95d36d
+oid sha256:a6e72c020cd52eb30309ce730b11fcb696488e8268e422a9cf7061cb309d58be
 size 2241070
diff --git a/assets/sfx/tools/spray.wav b/assets/sfx/tools/spray.wav
index 66342c2..10dba9e 100644
--- a/assets/sfx/tools/spray.wav
+++ b/assets/sfx/tools/spray.wav
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:ca50eb44a5fca09adafe6c8540e9d2036931bf2bc6f66c9504f5315a6fa20d7d
+oid sha256:f38e3bb194c1d48beb4519177c2c0d35bc8383b683e41b1cee985304c3269886
 size 2845526
diff --git a/levels/ghost_ship/ghost_ship.tscn b/levels/ghost_ship/ghost_ship.tscn
index e72097c..ac61d7e 100644
--- a/levels/ghost_ship/ghost_ship.tscn
+++ b/levels/ghost_ship/ghost_ship.tscn
@@ -80,12 +80,15 @@ volume_db = -80.0
 autoplay = true
 bus = &"Ambient"
 script = ExtResource("5_jiowi")
+base_volume = -12.0
+boosted_volume = 0.0
 
 [node name="AmbientSFX" type="Node3D" parent="."]
 
 [node name="Creaker" parent="AmbientSFX" instance=ExtResource("7_vdioa")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -21, 1, -38)
 stream = SubResource("AudioStreamRandomizer_d8fas")
+volume_db = 10.0
 unit_size = 2.0
 bus = &"Ambient"
 interval_mean = 120.0
diff --git a/levels/ghost_ship/level/corridor_1/corridor_1.tscn b/levels/ghost_ship/level/corridor_1/corridor_1.tscn
index afc2334..b58be0f 100644
--- a/levels/ghost_ship/level/corridor_1/corridor_1.tscn
+++ b/levels/ghost_ship/level/corridor_1/corridor_1.tscn
@@ -118,7 +118,7 @@ data = PackedVector3Array(-0.7, 0, 0.14, -0.7, -0.28, 0, -0.7, 0, -0.14, -0.7, 0
 mesh = ExtResource("1_ckpmb")
 skeleton = NodePath("")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="Hallway1"]
+[node name="StaticBody3D" type="StaticBody3D" parent="Hallway1" groups=["MetalMaterial"]]
 collision_layer = 5
 collision_mask = 0
 
@@ -195,7 +195,7 @@ transform = Transform3D(-1, 0, 8.74228e-08, 0, 1, 0, -8.74228e-08, 0, -1, 0, 0,
 mesh = ExtResource("12_3ls22")
 skeleton = NodePath("")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="T-Junction1"]
+[node name="StaticBody3D" type="StaticBody3D" parent="T-Junction1" groups=["MetalMaterial"]]
 collision_layer = 5
 collision_mask = 0
 
@@ -213,7 +213,7 @@ transform = Transform3D(-4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, -7.5,
 mesh = ExtResource("1_ckpmb")
 skeleton = NodePath("")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="Hallway2"]
+[node name="StaticBody3D" type="StaticBody3D" parent="Hallway2" groups=["MetalMaterial"]]
 collision_layer = 5
 collision_mask = 0
 
@@ -267,7 +267,7 @@ transform = Transform3D(-4.37114e-08, 0, -1, 0, 1, 0, 1, 0, -4.37114e-08, -19.5,
 mesh = ExtResource("17_qhrg0")
 skeleton = NodePath("")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="Hallway3"]
+[node name="StaticBody3D" type="StaticBody3D" parent="Hallway3" groups=["MetalMaterial"]]
 collision_layer = 5
 collision_mask = 0
 
@@ -296,7 +296,7 @@ transform = Transform3D(-4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, -27, 0
 mesh = ExtResource("18_xuoub")
 skeleton = NodePath("")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="T-Junction2"]
+[node name="StaticBody3D" type="StaticBody3D" parent="T-Junction2" groups=["MetalMaterial"]]
 collision_layer = 5
 collision_mask = 0
 
@@ -314,7 +314,7 @@ transform = Transform3D(2.98023e-08, 1, 0, 4.37114e-08, -1.3027e-15, -1, -1, 2.9
 mesh = ExtResource("19_unrww")
 skeleton = NodePath("")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="EndCap"]
+[node name="StaticBody3D" type="StaticBody3D" parent="EndCap" groups=["MetalMaterial"]]
 collision_layer = 5
 collision_mask = 0
 
@@ -332,7 +332,7 @@ transform = Transform3D(-1, 0, -8.74228e-08, 0, 1, 0, 8.74228e-08, 0, -1, -27, 0
 mesh = ExtResource("20_kkj02")
 skeleton = NodePath("")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="Hallway4"]
+[node name="StaticBody3D" type="StaticBody3D" parent="Hallway4" groups=["MetalMaterial"]]
 collision_layer = 5
 collision_mask = 0
 
diff --git a/levels/ghost_ship/player_ship/player_ship.tscn b/levels/ghost_ship/player_ship/player_ship.tscn
index 206b2e9..e26dc7d 100644
--- a/levels/ghost_ship/player_ship/player_ship.tscn
+++ b/levels/ghost_ship/player_ship/player_ship.tscn
@@ -316,8 +316,7 @@ collision_mask = 0
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0.6)
 stream = SubResource("AudioStreamRandomizer_53iah")
-volume_db = -4.0
-unit_size = 3.0
+unit_size = 5.0
 pitch_scale = 0.7
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="TankInteractBody"]
@@ -410,7 +409,7 @@ shape = SubResource("ConcavePolygonShape3D_0e0pl")
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -1.2, 0)
 stream = ExtResource("20_3rulp")
-volume_db = -20.0
+volume_db = -12.0
 unit_size = 3.0
 bus = &"SFX"
 
@@ -418,7 +417,7 @@ bus = &"SFX"
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -1.2, 0)
 stream = ExtResource("21_bmg36")
-volume_db = -16.0
+volume_db = -8.0
 unit_size = 4.0
 bus = &"SFX"
 
diff --git a/src/effects/grunk_splatter/grunk_splatter.gd b/src/effects/grunk_splatter/grunk_splatter.gd
index bad99dc..b6021a7 100644
--- a/src/effects/grunk_splatter/grunk_splatter.gd
+++ b/src/effects/grunk_splatter/grunk_splatter.gd
@@ -1,7 +1,7 @@
 class_name GrunkSplatter extends GPUParticles3D
 ## Splatter effect with adjustable volume
 
-const BASE_VOLUME := -12.0
+const BASE_VOLUME := -4.0
 const SCALE_FACTOR := 4.0
 
 const SCENE := preload("res://src/effects/grunk_splatter/grunk_splatter.tscn")
@@ -24,7 +24,6 @@ func _ready() -> void:
 
 	# Scale amount of dust
 	grunk_dust.amount_ratio = 0.5 * effect_scale
-	print_debug("Splatter dust ratio: ", grunk_dust.amount_ratio)
 
 
 func _scale_particles(emitter: GPUParticles3D) -> void:
diff --git a/src/effects/grunk_splatter/grunk_splatter.tscn b/src/effects/grunk_splatter/grunk_splatter.tscn
index 2e598c8..00d09ba 100644
--- a/src/effects/grunk_splatter/grunk_splatter.tscn
+++ b/src/effects/grunk_splatter/grunk_splatter.tscn
@@ -194,7 +194,7 @@ autostart = true
 [node name="SplatterSFX" type="AudioStreamPlayer3D" parent="."]
 unique_name_in_owner = true
 stream = SubResource("AudioStreamRandomizer_6adkd")
-volume_db = -12.0
+volume_db = -3.0
 unit_size = 6.0
 autoplay = true
 bus = &"SFX"
diff --git a/src/game/game_settings.gd b/src/game/game_settings.gd
index 10a2c2a..51707d4 100644
--- a/src/game/game_settings.gd
+++ b/src/game/game_settings.gd
@@ -64,4 +64,14 @@ func write() -> void:
 	print_debug("Writing settings to ", settings_file)
 	ProjectSettings.save_custom(settings_file)
 	print_debug("Writing audio bus levels to ", audio_bus_file)
+	# Write a bus layout with all effects removed
+	var base_layout := AudioServer.generate_bus_layout()
+	_strip_bus_effects()
 	ResourceSaver.save(AudioServer.generate_bus_layout(), audio_bus_file)
+	AudioServer.set_bus_layout(base_layout)
+
+
+func _strip_bus_effects() -> void:
+	for bus_idx: int in AudioServer.bus_count:
+		for fx_idx: int in AudioServer.get_bus_effect_count(bus_idx):
+			AudioServer.remove_bus_effect(bus_idx, fx_idx)
diff --git a/src/game/global_sfx_manager/global_sfx_manager.tscn b/src/game/global_sfx_manager/global_sfx_manager.tscn
index a6c4791..dd60cdc 100644
--- a/src/game/global_sfx_manager/global_sfx_manager.tscn
+++ b/src/game/global_sfx_manager/global_sfx_manager.tscn
@@ -13,37 +13,37 @@ script = ExtResource("1_xjjma")
 [node name="Confirm" type="AudioStreamPlayer" parent="."]
 unique_name_in_owner = true
 stream = ExtResource("2_xjjma")
-volume_db = -10.0
+volume_db = -2.0
 bus = &"SFX"
 
 [node name="Accept" type="AudioStreamPlayer" parent="."]
 unique_name_in_owner = true
 stream = ExtResource("3_xl3ms")
-volume_db = -10.0
+volume_db = -2.0
 bus = &"SFX"
 
 [node name="Forward" type="AudioStreamPlayer" parent="."]
 unique_name_in_owner = true
 stream = ExtResource("3_xjjma")
-volume_db = -10.0
+volume_db = -2.0
 pitch_scale = 0.7
 bus = &"SFX"
 
 [node name="Back" type="AudioStreamPlayer" parent="."]
 unique_name_in_owner = true
 stream = ExtResource("3_xjjma")
-volume_db = -10.0
+volume_db = -2.0
 bus = &"SFX"
 
 [node name="Bonk" type="AudioStreamPlayer" parent="."]
 unique_name_in_owner = true
 stream = ExtResource("4_ywyuo")
-volume_db = -8.0
+volume_db = -5.0
 pitch_scale = 1.1
 bus = &"SFX"
 
 [node name="Bloop" type="AudioStreamPlayer" parent="."]
 unique_name_in_owner = true
 stream = ExtResource("6_ywyuo")
-volume_db = -10.0
+volume_db = -4.0
 bus = &"SFX"
diff --git a/src/player/player.tscn b/src/player/player.tscn
index 7c0598c..f586dac 100644
--- a/src/player/player.tscn
+++ b/src/player/player.tscn
@@ -728,16 +728,18 @@ script = ExtResource("9_l271a")
 
 [node name="Metal" type="AudioStreamPlayer3D" parent="FootstepController/LeftFoot"]
 stream = SubResource("AudioStreamRandomizer_8ydov")
-volume_db = -42.0
+volume_db = -30.0
+unit_size = 18.0
 bus = &"SFX"
 
 [node name="Grunk" type="AudioStreamPlayer3D" parent="FootstepController/LeftFoot"]
 stream = SubResource("AudioStreamRandomizer_wcxbk")
+unit_size = 24.0
 bus = &"SFX"
 
 [node name="Plastic" type="AudioStreamPlayer3D" parent="FootstepController/LeftFoot"]
 stream = SubResource("AudioStreamRandomizer_o04tx")
-volume_db = -24.0
+unit_size = 16.0
 bus = &"SFX"
 
 [node name="RightFoot" type="Node3D" parent="FootstepController"]
@@ -747,17 +749,19 @@ script = ExtResource("9_l271a")
 
 [node name="Metal" type="AudioStreamPlayer3D" parent="FootstepController/RightFoot"]
 stream = SubResource("AudioStreamRandomizer_ylhto")
-volume_db = -42.0
+volume_db = -30.0
+unit_size = 18.0
 bus = &"SFX"
 
 [node name="Grunk" type="AudioStreamPlayer3D" parent="FootstepController/RightFoot"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.8, 0, 0)
 stream = SubResource("AudioStreamRandomizer_p6grl")
+unit_size = 24.0
 bus = &"SFX"
 
 [node name="Plastic" type="AudioStreamPlayer3D" parent="FootstepController/RightFoot"]
 stream = SubResource("AudioStreamRandomizer_e7e1q")
-volume_db = -24.0
+unit_size = 16.0
 bus = &"SFX"
 
 [node name="FootCast" type="RayCast3D" parent="FootstepController"]
@@ -829,5 +833,4 @@ tutorial_key = &"game/tutorial/progress/move"
 [node name="ToolSwitchSFX" type="AudioStreamPlayer" parent="."]
 unique_name_in_owner = true
 stream = ExtResource("39_gsylq")
-volume_db = -12.0
 pitch_scale = 1.8
diff --git a/src/props/bulkhead/bulkhead.tscn b/src/props/bulkhead/bulkhead.tscn
index b2c9cda..e8004ea 100644
--- a/src/props/bulkhead/bulkhead.tscn
+++ b/src/props/bulkhead/bulkhead.tscn
@@ -317,7 +317,6 @@ shape = SubResource("ConcavePolygonShape3D_w7oba")
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2.9, 0)
 stream = ExtResource("5_4jho1")
-volume_db = -10.0
 
 [node name="Ramp" type="StaticBody3D" parent="." index="4" groups=["MetalMaterial"]]
 
@@ -364,7 +363,7 @@ libraries = {
 
 [node name="DustSFX" type="AudioStreamPlayer3D" parent="Dust" index="5"]
 stream = ExtResource("7_4jho1")
-volume_db = -24.0
+volume_db = -14.0
 
 [node name="NavLink" type="NavigationLink3D" parent="." index="6"]
 unique_name_in_owner = true
diff --git a/src/props/wall_switch/wall_switch.tscn b/src/props/wall_switch/wall_switch.tscn
index 484cf83..044f0bb 100644
--- a/src/props/wall_switch/wall_switch.tscn
+++ b/src/props/wall_switch/wall_switch.tscn
@@ -228,7 +228,7 @@ mesh = SubResource("BoxMesh_a6hjm")
 
 [node name="SuccessSFX" type="AudioStreamPlayer3D" parent="Lights/SuccessLight" index="0"]
 stream = ExtResource("11_7shuc")
-volume_db = -16.0
+volume_db = -9.0
 unit_size = 4.0
 bus = &"SFX"
 
diff --git a/src/ui/hud/player_hud.tscn b/src/ui/hud/player_hud.tscn
index d868e74..c31e316 100644
--- a/src/ui/hud/player_hud.tscn
+++ b/src/ui/hud/player_hud.tscn
@@ -410,7 +410,6 @@ libraries = {
 
 [node name="TankAlertBonkSFX" type="AudioStreamPlayer" parent="AlertHUD/TankAlert"]
 stream = ExtResource("7_bu2tv")
-volume_db = -8.0
 bus = &"SFX"
 
 [node name="GrunkAlert" type="Control" parent="AlertHUD"]
@@ -459,10 +458,10 @@ anchor_left = 0.5
 anchor_top = 0.5
 anchor_right = 0.5
 anchor_bottom = 0.5
-offset_left = -19.0295
-offset_top = -20.3157
-offset_right = -19.0295
-offset_bottom = -20.3157
+offset_left = -20.2593
+offset_top = -19.6536
+offset_right = -20.2593
+offset_bottom = -19.6536
 grow_horizontal = 2
 grow_vertical = 2
 script = ExtResource("4_ud8na")
diff --git a/src/ui/menus/settings_menu/volume_slider/volume_slider.tscn b/src/ui/menus/settings_menu/volume_slider/volume_slider.tscn
index c18ee25..01f8ec8 100644
--- a/src/ui/menus/settings_menu/volume_slider/volume_slider.tscn
+++ b/src/ui/menus/settings_menu/volume_slider/volume_slider.tscn
@@ -50,7 +50,7 @@ suffix = "%"
 [node name="AudioDemo" type="AudioStreamPlayer" parent="."]
 unique_name_in_owner = true
 stream = ExtResource("3_y4yh3")
-volume_db = -10.0
+volume_db = -2.0
 
 [connection signal="drag_ended" from="Slider" to="." method="_on_slider_drag_ended"]
 [connection signal="value_changed" from="Slider" to="." method="_on_component_value_changed"]
diff --git a/src/ui/menus/title_screen/title_screen.tscn b/src/ui/menus/title_screen/title_screen.tscn
index 4f14047..a464daf 100644
--- a/src/ui/menus/title_screen/title_screen.tscn
+++ b/src/ui/menus/title_screen/title_screen.tscn
@@ -607,7 +607,7 @@ tracks/22/keys = {
 "times": PackedFloat32Array(6.15, 10),
 "transitions": PackedFloat32Array(1, 1),
 "update": 0,
-"values": [-40.0, -10.0]
+"values": [-40.0, 0.0]
 }
 
 [sub_resource type="AnimationLibrary" id="AnimationLibrary_3qdtd"]
@@ -841,14 +841,14 @@ autoplay = "display"
 
 [node name="TitleSFX" type="AudioStreamPlayer" parent="TitleScreenContent"]
 unique_name_in_owner = true
-volume_db = -20.0
+volume_db = -10.0
 bus = &"SFX"
 
 [node name="TitleDrone" type="AudioStreamPlayer" parent="TitleScreenContent"]
 unique_name_in_owner = true
 stream = ExtResource("11_gdkv4")
 volume_db = -40.0
-bus = &"Music"
+bus = &"Ambient"
 
 [node name="SettingsContainer" type="Control" parent="."]
 unique_name_in_owner = true
diff --git a/src/world/gunk_node/grunk_nodule.tscn b/src/world/gunk_node/grunk_nodule.tscn
index 9ae37b1..67f159a 100644
--- a/src/world/gunk_node/grunk_nodule.tscn
+++ b/src/world/gunk_node/grunk_nodule.tscn
@@ -37,7 +37,7 @@ shape = SubResource("ConcavePolygonShape3D_530fq")
 [node name="ChitterSFX" type="AudioStreamPlayer3D" parent="."]
 unique_name_in_owner = true
 stream = SubResource("AudioStreamRandomizer_yg8lg")
-volume_db = -14.0
+volume_db = -8.0
 unit_size = 1.5
 panning_strength = 3.0
 bus = &"SFX"
diff --git a/src/world/mechanics/alarm/gunk_alarm.tscn b/src/world/mechanics/alarm/gunk_alarm.tscn
index 7101dab..d1276e6 100644
--- a/src/world/mechanics/alarm/gunk_alarm.tscn
+++ b/src/world/mechanics/alarm/gunk_alarm.tscn
@@ -6,7 +6,7 @@
 [ext_resource type="Material" uid="uid://bmab6i16v748m" path="res://assets/materials/grunk_jittery.material" id="3_g4yos"]
 [ext_resource type="Script" uid="uid://b274q7uvn0cvp" path="res://src/ui/rumbler_3d.gd" id="3_vokcn"]
 [ext_resource type="Material" uid="uid://cdpvcruywnp4x" path="res://assets/grunk/alarm/alarm_core.material" id="5_6vdvf"]
-[ext_resource type="AudioStream" uid="uid://ypk1d4adrcs" path="res://assets/sfx/grunk/alarm_screech.wav" id="6_6vdvf"]
+[ext_resource type="AudioStream" uid="uid://6yo1n0l1jgok" path="res://assets/sfx/grunk/alarm_screech.wav" id="6_6vdvf"]
 
 [sub_resource type="SphereMesh" id="SphereMesh_b6er8"]
 radius = 0.285
diff --git a/src/world/mechanics/heart/gunk_heart.tscn b/src/world/mechanics/heart/gunk_heart.tscn
index 2777a33..a6ea67b 100644
--- a/src/world/mechanics/heart/gunk_heart.tscn
+++ b/src/world/mechanics/heart/gunk_heart.tscn
@@ -132,7 +132,7 @@ speed_scale = 4.0
 
 [node name="HeartbeatSFX" type="AudioStreamPlayer3D" parent="."]
 stream = ExtResource("3_eu6st")
-unit_size = 0.4
+unit_size = 1.0
 bus = &"SFX"
 
 [connection signal="timeout" from="PulseTimer" to="." method="pulse"]