diff --git a/levels/ghost_ship/ghost_ship.tscn b/levels/ghost_ship/ghost_ship.tscn
index 5a79e25..5a5e1d6 100644
--- a/levels/ghost_ship/ghost_ship.tscn
+++ b/levels/ghost_ship/ghost_ship.tscn
@@ -20,6 +20,7 @@ glow_bloom = 0.1
 fog_enabled = true
 fog_light_color = Color(0, 0, 0, 1)
 fog_density = 0.2
+fog_depth_begin = 0.0
 
 [node name="GhostShip" type="Node3D"]
 
@@ -41,37 +42,31 @@ omni_range = 10.0
 [node name="OmniLight3D4" type="OmniLight3D" parent="GhostShipLevel"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 3, 0.1, -7.6)
 light_energy = 8.0
-shadow_enabled = true
 omni_range = 10.0
 
 [node name="OmniLight3D5" type="OmniLight3D" parent="GhostShipLevel"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -3, 0.1, -28.6)
 light_energy = 8.0
-shadow_enabled = true
 omni_range = 10.0
 
 [node name="OmniLight3D6" type="OmniLight3D" parent="GhostShipLevel"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -3, 0.1, -31.6)
 light_energy = 8.0
-shadow_enabled = true
 omni_range = 10.0
 
 [node name="OmniLight3D7" type="OmniLight3D" parent="GhostShipLevel"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -24, 0.1, -31.6)
 light_energy = 8.0
-shadow_enabled = true
 omni_range = 10.0
 
 [node name="OmniLight3D8" type="OmniLight3D" parent="GhostShipLevel"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -24, 0.1, -28.6)
 light_energy = 8.0
-shadow_enabled = true
 omni_range = 10.0
 
 [node name="OmniLight3D3" type="OmniLight3D" parent="GhostShipLevel"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -3, 0.1, -7.6)
 light_energy = 8.0
-shadow_enabled = true
 omni_range = 10.0
 
 [node name="Player" parent="." instance=ExtResource("2_0ef5p")]
diff --git a/levels/ghost_ship/player_ship/player_ship.tscn b/levels/ghost_ship/player_ship/player_ship.tscn
index 4dc606e..daf4897 100644
--- a/levels/ghost_ship/player_ship/player_ship.tscn
+++ b/levels/ghost_ship/player_ship/player_ship.tscn
@@ -21,6 +21,7 @@ data = PackedVector3Array(2.5, 1, 5.5, 2.5, 1, -4.5001, 2.5, 2, 5.5, 2.5, 2, 5.5
 [node name="PlayerShip" type="Node3D"]
 
 [node name="StaticBody3D" type="StaticBody3D" parent="."]
+collision_layer = 5
 
 [node name="MeshInstance3D" type="MeshInstance3D" parent="StaticBody3D"]
 mesh = ExtResource("1_nafoa")
diff --git a/project.godot b/project.godot
index 78691ff..c245b01 100644
--- a/project.godot
+++ b/project.godot
@@ -114,6 +114,7 @@ interact={
 3d_render/layer_2="HUD"
 3d_physics/layer_1="Physics"
 3d_physics/layer_2="Interactive"
+3d_physics/layer_3="Grunkable"
 
 [rendering]
 
diff --git a/src/effects/floating_dust.tscn b/src/effects/floating_dust.tscn
new file mode 100644
index 0000000..a7e5bfd
--- /dev/null
+++ b/src/effects/floating_dust.tscn
@@ -0,0 +1,66 @@
+[gd_scene load_steps=10 format=3 uid="uid://30o8ltnnxpxo"]
+
+[sub_resource type="Curve" id="Curve_w3xaq"]
+_limits = [0.0, 0.4, 0.0, 1.0]
+_data = [Vector2(0, 0), 0.0, 0.0, 0, 0, Vector2(0.3, 0.4), 0.0, 0.0, 0, 0, Vector2(0.7, 0.4), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 4
+
+[sub_resource type="CurveTexture" id="CurveTexture_ty63v"]
+curve = SubResource("Curve_w3xaq")
+
+[sub_resource type="Gradient" id="Gradient_yfel2"]
+offsets = PackedFloat32Array(0, 0.1, 0.4, 0.6, 1)
+colors = PackedColorArray(0.15, 0.15, 0.15, 1, 0.355313, 0.355314, 0.355313, 1, 0.356863, 0.356863, 0.356863, 1, 0.647059, 0.647059, 0.647059, 1, 0.15, 0.15, 0.15, 1)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_w3xaq"]
+gradient = SubResource("Gradient_yfel2")
+
+[sub_resource type="Curve" id="Curve_yfel2"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(0.746094, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 3
+
+[sub_resource type="CurveTexture" id="CurveTexture_w3xaq"]
+curve = SubResource("Curve_yfel2")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_ty63v"]
+emission_shape = 6
+emission_ring_axis = Vector3(0, 1, 0)
+emission_ring_height = 3.0
+emission_ring_radius = 8.0
+emission_ring_inner_radius = 0.0
+emission_ring_cone_angle = 90.0
+direction = Vector3(0, -1, 0)
+spread = 100.0
+initial_velocity_min = 0.05
+initial_velocity_max = 0.15
+gravity = Vector3(0, 0, 0)
+scale_curve = SubResource("CurveTexture_w3xaq")
+color_ramp = SubResource("GradientTexture1D_w3xaq")
+alpha_curve = SubResource("CurveTexture_ty63v")
+turbulence_enabled = true
+turbulence_noise_strength = 0.1
+turbulence_noise_scale = 0.3
+turbulence_influence_min = 0.0
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_qc6xg"]
+transparency = 1
+vertex_color_use_as_albedo = true
+texture_filter = 2
+billboard_mode = 3
+billboard_keep_scale = true
+particles_anim_h_frames = 1
+particles_anim_v_frames = 1
+particles_anim_loop = false
+
+[sub_resource type="QuadMesh" id="QuadMesh_d5bw0"]
+material = SubResource("StandardMaterial3D_qc6xg")
+size = Vector2(0.02, 0.02)
+
+[node name="FloatingDust" type="GPUParticles3D"]
+amount = 32
+lifetime = 12.0
+fixed_fps = 8
+interpolate = false
+fract_delta = false
+process_material = SubResource("ParticleProcessMaterial_ty63v")
+draw_pass_1 = SubResource("QuadMesh_d5bw0")
diff --git a/src/equipment/laser_cast/laser_cast.tscn b/src/equipment/laser_cast/laser_cast.tscn
index 179056d..c295a05 100644
--- a/src/equipment/laser_cast/laser_cast.tscn
+++ b/src/equipment/laser_cast/laser_cast.tscn
@@ -5,6 +5,7 @@
 
 [node name="LaserCast" type="RayCast3D"]
 target_position = Vector3(0, 0, -2)
+collision_mask = 4
 script = ExtResource("1_xntcr")
 
 [node name="LaserDust" parent="." instance=ExtResource("2_m5xmf")]
diff --git a/src/player/player.tscn b/src/player/player.tscn
index f8d7ab7..df8f82e 100644
--- a/src/player/player.tscn
+++ b/src/player/player.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=9 format=3 uid="uid://bwe2jdmvinhqd"]
+[gd_scene load_steps=10 format=3 uid="uid://bwe2jdmvinhqd"]
 
 [ext_resource type="Script" uid="uid://buwh0g1ga2aka" path="res://src/player/player.gd" id="1_npueo"]
 [ext_resource type="Script" uid="uid://cx1yt0drthpw3" path="res://src/player/camera_controller.gd" id="2_veeqv"]
@@ -6,11 +6,13 @@
 [ext_resource type="PackedScene" uid="uid://d2hnxr5l6w2x4" path="res://src/equipment/wide_spray/wide_spray.tscn" id="3_ibq07"]
 [ext_resource type="Script" uid="uid://b274q7uvn0cvp" path="res://src/ui/rumbler_3d.gd" id="5_ipd7g"]
 [ext_resource type="PackedScene" uid="uid://dq1x21tq06dud" path="res://src/ui/hud/player_hud.tscn" id="5_jvafu"]
+[ext_resource type="PackedScene" uid="uid://30o8ltnnxpxo" path="res://src/effects/floating_dust.tscn" id="7_o822w"]
 
 [sub_resource type="BoxMesh" id="BoxMesh_ua7a2"]
 size = Vector3(0.05, 0.05, 0.3)
 
 [sub_resource type="CapsuleShape3D" id="CapsuleShape3D_s7f0r"]
+height = 1.9
 
 [node name="Player" type="CharacterBody3D"]
 script = ExtResource("1_npueo")
@@ -50,7 +52,10 @@ target_position = Vector3(0, 0, -1.5)
 collision_mask = 2
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -0.05, 0)
 shape = SubResource("CapsuleShape3D_s7f0r")
 
 [node name="PlayerHUD" parent="." instance=ExtResource("5_jvafu")]
 unique_name_in_owner = true
+
+[node name="FloatingDust" parent="." instance=ExtResource("7_o822w")]
diff --git a/src/props/bulkhead/bulkhead.tscn b/src/props/bulkhead/bulkhead.tscn
index 5d1256a..0082fd2 100644
--- a/src/props/bulkhead/bulkhead.tscn
+++ b/src/props/bulkhead/bulkhead.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=5 format=3 uid="uid://dvma1hufsl6mc"]
+[gd_scene load_steps=7 format=3 uid="uid://dvma1hufsl6mc"]
 
 [ext_resource type="PackedScene" uid="uid://bopvgd18a1dl0" path="res://assets/props/bulkhead/bulkhead.gltf" id="1_77udb"]
 [ext_resource type="Script" uid="uid://rjygr6ybnl30" path="res://src/props/bulkhead/bulkhead.gd" id="2_hknvo"]
@@ -9,15 +9,39 @@ data = PackedVector3Array(-1.5, 0, 0.225, -1.5, 3, -0.225, -1.5, 3, 0.225, -1.5,
 [sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_88qrs"]
 data = PackedVector3Array(-1.4, 0.1, 0.14, -1.4, 2.9, -0.14, -1.4, 2.9, 0.14, -1.4, 0.1, 0.14, -1.4, 0.1, -0.14, -1.4, 2.9, -0.14, -1.4, 0.1, -0.14, 1.4, 2.9, -0.14, -1.4, 2.9, -0.14, -1.4, 0.1, -0.14, 1.4, 0.1, -0.14, 1.4, 2.9, -0.14, 1.4, 0.1, -0.14, 1.4, 2.9, 0.14, 1.4, 2.9, -0.14, 1.4, 0.1, -0.14, 1.4, 0.1, 0.14, 1.4, 2.9, 0.14, 1.4, 0.1, 0.14, -1.4, 2.9, 0.14, 1.4, 2.9, 0.14, 1.4, 0.1, 0.14, -1.4, 0.1, 0.14, -1.4, 2.9, 0.14, -1.4, 0.1, -0.14, 1.4, 0.1, 0.14, 1.4, 0.1, -0.14, -1.4, 0.1, -0.14, -1.4, 0.1, 0.14, 1.4, 0.1, 0.14, 1.4, 2.9, -0.14, -1.4, 2.9, 0.14, -1.4, 2.9, -0.14, 1.4, 2.9, -0.14, 1.4, 2.9, 0.14, -1.4, 2.9, 0.14)
 
+[sub_resource type="PrismMesh" id="PrismMesh_hknvo"]
+left_to_right = 1.0
+size = Vector3(0.2, 0.2, 3)
+
+[sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_w7oba"]
+data = PackedVector3Array(0.1, 0.1, 1.5, 0.1, -0.1, 1.5, -0.1, -0.1, 1.5, 0.1, 0.1, -1.5, -0.1, -0.1, -1.5, 0.1, -0.1, -1.5, 0.1, 0.1, 1.5, 0.1, 0.1, -1.5, 0.1, -0.1, 1.5, 0.1, 0.1, -1.5, 0.1, -0.1, -1.5, 0.1, -0.1, 1.5, 0.1, 0.1, -1.5, 0.1, 0.1, 1.5, -0.1, -0.1, -1.5, 0.1, 0.1, 1.5, -0.1, -0.1, 1.5, -0.1, -0.1, -1.5, -0.1, -0.1, 1.5, 0.1, -0.1, 1.5, -0.1, -0.1, -1.5, 0.1, -0.1, 1.5, 0.1, -0.1, -1.5, -0.1, -0.1, -1.5)
+
 [node name="Bulkhead" instance=ExtResource("1_77udb")]
 script = ExtResource("2_hknvo")
 
 [node name="StaticBody3D" type="StaticBody3D" parent="Frame" index="0"]
+collision_layer = 5
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="Frame/StaticBody3D" index="0"]
 shape = SubResource("ConcavePolygonShape3D_hknvo")
 
 [node name="StaticBody3D" type="StaticBody3D" parent="Door" index="0"]
+collision_layer = 5
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="Door/StaticBody3D" index="0"]
 shape = SubResource("ConcavePolygonShape3D_88qrs")
+
+[node name="Ramp" type="StaticBody3D" parent="." index="3"]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="Ramp" index="0"]
+transform = Transform3D(-4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, 0, 0.1, 0.325)
+visible = false
+mesh = SubResource("PrismMesh_hknvo")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Ramp" index="1"]
+transform = Transform3D(-4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, 0, 0.1, 0.325)
+shape = SubResource("ConcavePolygonShape3D_w7oba")
+
+[node name="CollisionShape3D2" type="CollisionShape3D" parent="Ramp" index="2"]
+transform = Transform3D(-4.37114e-08, 0, -1, 0, 1, 0, 1, 0, -4.37114e-08, 0, 0.1, -0.325)
+shape = SubResource("ConcavePolygonShape3D_w7oba")
diff --git a/src/world/gunk_body/gunk_body.gd b/src/world/gunk_body/gunk_body.gd
index 91131d6..cd27d9a 100644
--- a/src/world/gunk_body/gunk_body.gd
+++ b/src/world/gunk_body/gunk_body.gd
@@ -58,7 +58,11 @@ func _ready() -> void:
 	# Set material gunk mask to our mask viewport texture
 	mat_instance.set_shader_parameter("gunk_mask", mask_viewport.get_texture())
 	# Set gunk material as the next-pass material of the base surface material
-	mesh_instance.mesh.surface_get_material(material_surface).next_pass = mat_instance
+	# Iterate through material passes to the end
+	var base_mat := mesh_instance.mesh.surface_get_material(material_surface)
+	while base_mat.next_pass:
+		base_mat = base_mat.next_pass
+	base_mat.next_pass = mat_instance
 
 	if initial_mask:
 		mask_texture.texture = initial_mask
diff --git a/src/world/gunk_body/gunk_body.tscn b/src/world/gunk_body/gunk_body.tscn
index 27afda2..91bcaeb 100644
--- a/src/world/gunk_body/gunk_body.tscn
+++ b/src/world/gunk_body/gunk_body.tscn
@@ -6,6 +6,8 @@
 [ext_resource type="Script" uid="uid://ba7480ara8eo" path="res://levels/sandbox/debug_draw.gd" id="3_m8wx4"]
 
 [node name="GunkBody" type="StaticBody3D"]
+collision_layer = 5
+collision_mask = 0
 script = ExtResource("1_qqbpr")
 source_gunk_material = ExtResource("2_hrldx")