diff --git a/src/player/player.tscn b/src/player/player.tscn
index 9f7027e..6e9c564 100644
--- a/src/player/player.tscn
+++ b/src/player/player.tscn
@@ -118,6 +118,8 @@ metadata/_custom_type_script = "uid://d11erhxna68vd"
 [node name="DebugMovement" type="Node" parent="."]
 unique_name_in_owner = true
 script = ExtResource("10_ylhto")
+normal_speed = 500.0
+fast_speed = 1000.0
 metadata/_custom_type_script = "uid://htwqrc73xg7q"
 
 [node name="DebugHUD" type="CanvasLayer" parent="." node_paths=PackedStringArray("player")]
diff --git a/src/world/generation/feature/generation_feature.gd b/src/world/generation/feature/generation_feature.gd
new file mode 100644
index 0000000..c77ba6c
--- /dev/null
+++ b/src/world/generation/feature/generation_feature.gd
@@ -0,0 +1,9 @@
+class_name GenerationFeature extends Node3D
+## Base class for world features generated during worldgen.
+##
+## Layers contain features. Some features may contain layers.
+
+
+func probe() -> void:
+	# TODO may want to make low-detail & high-detail probes distinct
+	pass  # Implemented in derived type.
diff --git a/src/world/generation/feature/generation_feature.gd.uid b/src/world/generation/feature/generation_feature.gd.uid
new file mode 100644
index 0000000..280cb5d
--- /dev/null
+++ b/src/world/generation/feature/generation_feature.gd.uid
@@ -0,0 +1 @@
+uid://drk82eeqk2mjs
diff --git a/src/world/generation/generated_world.gd b/src/world/generation/generated_world.gd
index fe45bc2..0a8dc28 100644
--- a/src/world/generation/generated_world.gd
+++ b/src/world/generation/generated_world.gd
@@ -1,21 +1,10 @@
 class_name GeneratedWorld extends Node3D
 
-@export var generation_radius := 6.0
-
-var chunks: Dictionary[Vector2, Chunk] = {}
-
-
-func get_chunk(chunk_pos: Vector2) -> Chunk:
-	if chunk_pos not in chunks:
-		var chunk := Chunk.generate_chunk(chunk_pos)
-		add_child(chunk)
-		chunks[chunk_pos] = chunk
-	return chunks[chunk_pos]
-
 
 func _process(_delta: float) -> void:
-	var camera := get_viewport().get_camera_3d()
-	var center := Chunk.world_to_chunk(camera.global_position)
-	for x in range(center.x - generation_radius, center.x + generation_radius):
-		for y in range(center.y - generation_radius, center.y + generation_radius):
-			get_chunk(Vector2(x, y))
+	# Probe all child generation layers & features each frame
+	for c: Node in get_children():
+		if c is GenerationLayer:
+			(c as GenerationLayer).probe()
+		elif c is GenerationFeature:
+			(c as GenerationFeature).probe()
diff --git a/src/world/generation/generated_world.tscn b/src/world/generation/generated_world.tscn
index c335129..1b97cf5 100644
--- a/src/world/generation/generated_world.tscn
+++ b/src/world/generation/generated_world.tscn
@@ -1,6 +1,9 @@
-[gd_scene load_steps=2 format=3 uid="uid://cop4mkrv70yhc"]
+[gd_scene load_steps=3 format=3 uid="uid://cop4mkrv70yhc"]
 
 [ext_resource type="Script" uid="uid://dka00cyvfr21t" path="res://src/world/generation/generated_world.gd" id="1_m2u13"]
+[ext_resource type="PackedScene" uid="uid://dlhc1te2ip8vg" path="res://src/world/generation/layer/arcology_grid_layer/arcology_grid_layer.tscn" id="2_k55gd"]
 
 [node name="GeneratedWorld" type="Node3D"]
 script = ExtResource("1_m2u13")
+
+[node name="ArcologyGridLayer" parent="." instance=ExtResource("2_k55gd")]
diff --git a/src/world/generation/layer/generation_layer.gd b/src/world/generation/layer/generation_layer.gd
new file mode 100644
index 0000000..e256b62
--- /dev/null
+++ b/src/world/generation/layer/generation_layer.gd
@@ -0,0 +1,7 @@
+class_name GenerationLayer extends Node3D
+## A composite layer of world generation logic.
+
+
+## Probe this layer and any sub-layers at the world generation point, generating features as needed.
+func probe() -> void:
+	pass  # Implement in derived type
diff --git a/src/world/generation/layer/generation_layer.gd.uid b/src/world/generation/layer/generation_layer.gd.uid
new file mode 100644
index 0000000..1f53d09
--- /dev/null
+++ b/src/world/generation/layer/generation_layer.gd.uid
@@ -0,0 +1 @@
+uid://ciq8lxydnfc77
diff --git a/src/world/generation/worldgen_manager/worldgen_manager.gd b/src/world/generation/worldgen_manager/worldgen_manager.gd
index f808c36..3bc7312 100644
--- a/src/world/generation/worldgen_manager/worldgen_manager.gd
+++ b/src/world/generation/worldgen_manager/worldgen_manager.gd
@@ -2,3 +2,20 @@ class_name WorldGenManagerType extends Node
 ## Global autoloaded singleton controller for worldgen parameters
 
 @export var noise: FastNoiseLite
+
+## Generate features with the lowest detail, like large distant structures, within this radius
+@export var low_detail_radius := 100000.0
+## Generate features with medium detail, like buildings, within this radius
+@export var med_detail_radius := 1024.0
+## Generate features with high detail, like small complicated objects, within this radius
+@export var high_detail_radius := 64.0
+
+
+## Get the world-space coordinate to generate around.
+func get_generation_point() -> Vector3:
+	var viewport := get_viewport()
+	if viewport:
+		var camera := viewport.get_camera_3d()
+		if camera:
+			return camera.global_position
+	return Vector3.ZERO
diff --git a/src/world/world.tscn b/src/world/world.tscn
index 49bf536..e59942d 100644
--- a/src/world/world.tscn
+++ b/src/world/world.tscn
@@ -2,7 +2,7 @@
 
 [ext_resource type="PackedScene" uid="uid://dtbulshrxetes" path="res://src/player/player.tscn" id="1_1k4gi"]
 [ext_resource type="Script" uid="uid://bd046eokvcnu2" path="res://addons/phantom_camera/scripts/phantom_camera_host/phantom_camera_host.gd" id="2_6fy3g"]
-[ext_resource type="PackedScene" uid="uid://cop4mkrv70yhc" path="res://src/world/generation/generated_world.tscn" id="2_jte2u"]
+[ext_resource type="PackedScene" uid="uid://cop4mkrv70yhc" path="res://src/world/generation/generated_world.tscn" id="3_jte2u"]
 
 [sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_6fy3g"]
 sky_horizon_color = Color(0.66224277, 0.6717428, 0.6867428, 1)
@@ -56,18 +56,16 @@ data = PackedVector3Array(-0.5, 0.5, 0.5, 0.5, 0.5, 0.5, -0.5, -0.5, 0.5, 0.5, 0
 environment = SubResource("Environment_bsf3i")
 
 [node name="DirectionalLight3D" type="DirectionalLight3D" parent="."]
-transform = Transform3D(-0.8660254, -0.43301278, 0.25, 0, 0.49999997, 0.86602545, -0.50000006, 0.75, -0.43301266, 0, 0, 0)
+transform = Transform3D(-0.54954004, 0.51725316, -0.6560906, -0.17890637, 0.69422466, 0.69716895, 0.8160872, 0.5005011, -0.2889644, 0, 0, 0)
 shadow_enabled = true
 directional_shadow_split_1 = 0.015
 directional_shadow_split_2 = 0.105
 directional_shadow_max_distance = 400.0
 
-[node name="GeneratedWorld" parent="." instance=ExtResource("2_jte2u")]
-
 [node name="Camera3D" type="Camera3D" parent="."]
 physics_interpolation_mode = 1
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 121.5, 0)
-far = 40000.0
+far = 100000.0
 
 [node name="PhantomCameraHost" type="Node" parent="Camera3D"]
 process_priority = 300
@@ -100,23 +98,4 @@ skeleton = NodePath("../..")
 [node name="CollisionShape3D" type="CollisionShape3D" parent="PlayerSpawn/ReferenceCube/StaticBody3D"]
 shape = SubResource("ConcavePolygonShape3D_6fy3g")
 
-[node name="BigTorus" type="CSGTorus3D" parent="."]
-transform = Transform3D(-0.76604444, 0.64278764, 0, -0.5421216, -0.6460753, -0.53729963, -0.34536955, -0.4115954, 0.8433914, 10000, 2000, 0)
-inner_radius = 4000.0
-outer_radius = 8000.0
-sides = 32
-ring_sides = 16
-
-[node name="FarTower" type="CSGCylinder3D" parent="."]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 5000, -4000)
-radius = 2000.0
-height = 10000.0
-sides = 32
-cone = true
-
-[node name="NearTower" type="CSGCylinder3D" parent="."]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -600, 500, -400)
-radius = 200.0
-height = 1000.0
-sides = 32
-cone = true
+[node name="GeneratedWorld" parent="." instance=ExtResource("3_jte2u")]