diff --git a/src/citizen.rs b/src/citizen.rs
index 3e4f038..374c387 100644
--- a/src/citizen.rs
+++ b/src/citizen.rs
@@ -1,5 +1,6 @@
 use crate::{
     constants::*,
+    tile,
     tilemap::{generate_surface_noise, ChunkMap, CHUNK_SIZE},
 };
 use bevy::prelude::*;
@@ -68,11 +69,14 @@ pub struct PathfindingPlugin;
 
 impl Plugin for PathfindingPlugin {
     fn build(&self, app: &mut App) {
-        app.add_systems(FixedUpdate, (update_citizen_targets, citizen_movement));
+        app.add_systems(
+            FixedUpdate,
+            (update_citizen_wandering_targets, citizen_movement),
+        );
     }
 }
 
-pub fn update_citizen_targets(
+pub fn update_citizen_wandering_targets(
     mut query: Query<(&mut Ambulatory, &Transform)>,
     tilemap: Res<TileMap>,
     chunk_map: Res<ChunkMap>,
@@ -95,24 +99,27 @@ pub fn update_citizen_targets(
                 let target_y = chunk_y + rng.gen_range(0..CHUNK_SIZE);
 
                 // Get height at position
-                let surface_height = generate_surface_noise(target_x, target_y).round() as i32;
+                let surface_height = 0;
 
                 // Find a valid z-level near the surface
-                for z in (surface_height - 2)..=(surface_height + 2) {
-                    let target_pos = IVec3::new(target_x, target_y, z);
+                for z in (surface_height - 3)..=(surface_height + 4) {
+                    let mut target_pos = IVec3::new(target_x, target_y, z) * TILE_SIZE as i32;
                     if let Some(floor_tile) = tilemap.floor_tiles.get(&target_pos) {
-                        // If tile is walkable, set target
+                        target_pos.z += TILE_SIZE as i32;
                         if floor_tile.2 {
-                            ambulatory.target = Some(Vec3::new(
-                                target_x as f32 * TILE_SIZE,
-                                target_y as f32 * TILE_SIZE,
-                                z as f32 * TILE_SIZE,
-                            ));
-                            println!("target: {:?}", ambulatory.target);
-                            exit(0);
-                            ambulatory.current_path = None;
-                            ambulatory.path_index = 0;
-                            break;
+                            if let Some(floor_tile_above) = tilemap.floor_tiles.get(&target_pos) {
+                                if floor_tile_above.0 == 0 {
+                                    // If tile is walkable, set target
+                                    ambulatory.target = Some(Vec3::new(
+                                        target_x as f32 * TILE_SIZE,
+                                        target_y as f32 * TILE_SIZE,
+                                        z as f32 * TILE_SIZE + 1.0,
+                                    ));
+                                    ambulatory.current_path = None;
+                                    ambulatory.path_index = 0;
+                                    break;
+                                }
+                            }
                         }
                     }
                 }
diff --git a/src/constants.rs b/src/constants.rs
index 8f68a1b..8246d63 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -1,2 +1,2 @@
-pub const PIXEL_RATIO: f32 = 2.;
+pub const PIXEL_RATIO: f32 = 2.0;
 pub const TILE_SIZE: f32 = 16.0 * PIXEL_RATIO;
diff --git a/src/main.rs b/src/main.rs
index 4d312d5..02049ec 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -41,7 +41,7 @@ fn main() {
             FixedUpdate,
             (
                 camera::camera_movement,
-                citizen::update_citizen_targets,
+                citizen::update_citizen_wandering_targets,
                 citizen::citizen_movement,
                 cursor::move_cursor,
                 // citizen::check_citizen_positions_for_chunks,
diff --git a/src/tilemap.rs b/src/tilemap.rs
index 7649847..cb29bac 100644
--- a/src/tilemap.rs
+++ b/src/tilemap.rs
@@ -1,5 +1,5 @@
 use crate::constants::TILE_SIZE;
-use crate::tile::{FixtureTile, FloorTile, NeedsOccluded, TileMap};
+use crate::tile::{self, FixtureTile, FloorTile, NeedsOccluded, TileMap};
 use crate::tiles::{FixtureTilePrefab, FloorTilePrefab};
 use bevy::prelude::*;
 use noise::{NoiseFn, Perlin};
@@ -76,7 +76,7 @@ pub fn calculate_visibility(pos: IVec3, tilemap: &TileMap) -> [u32; 8] {
 
     let mut visible_range = [0u32; 8];
 
-    for mut camera_z in -15..5 {
+    for mut camera_z in -15..=5 {
         camera_z *= tile_size;
         let mut is_visible = false;
 
@@ -196,7 +196,7 @@ fn handle_chunk_loading(
                 );
 
                 // Spawn tiles and add them to tilemap
-                for z in -15..5 {
+                for z in -15..=5 {
                     let position = Vec3::new(
                         (world_x as f32 * TILE_SIZE).round(),
                         (world_y as f32 * TILE_SIZE).round(),
@@ -285,8 +285,8 @@ fn handle_chunk_loading(
 
 fn setup_initial_chunks(mut event_writer: EventWriter<LoadChunkEvent>) {
     println!("setup_initial_chunks");
-    for x in -5..=5 {
-        for y in -5..=5 {
+    for x in -8..=8 {
+        for y in -8..=8 {
             event_writer.send(LoadChunkEvent {
                 chunk_position: IVec2::new(x, y),
             });
@@ -301,6 +301,15 @@ impl Plugin for TilemapPlugin {
         app.init_resource::<ChunkMap>()
             .add_event::<LoadChunkEvent>()
             .add_systems(Startup, (setup_chunk_system, setup_initial_chunks))
+            .add_systems(
+                PostStartup,
+                (
+                    handle_chunk_loading,
+                    handle_tile_occlusion_updates,
+                    tile::update_tile_visibility,
+                )
+                    .chain(),
+            )
             .add_systems(
                 FixedUpdate,
                 (handle_chunk_loading, handle_tile_occlusion_updates).chain(),
diff --git a/src/tiles.rs b/src/tiles.rs
index 84f707f..7249af5 100644
--- a/src/tiles.rs
+++ b/src/tiles.rs
@@ -89,6 +89,7 @@ impl FloorTilePrefab {
             tile: FloorTile {
                 id: 0,
                 opaque: false,
+                walkable: false,
                 ..Default::default()
             },
             tile_state: TileState {