diff --git a/packages/topdown/src/tiles-view.js b/packages/topdown/src/tiles-view.js
index eda381f..af94a66 100644
--- a/packages/topdown/src/tiles-view.js
+++ b/packages/topdown/src/tiles-view.js
@@ -178,7 +178,7 @@ export default class TilesView extends Container {
 
   renderMask(slice, size) {
     const hulls = this.tiles.constructor.indexHulls(
-      new Set([342, 456, 103, 104]),
+      new Set([342, 456, 103, 104, 407, 408, 423, 424]),
       slice,
       size,
     );
@@ -217,7 +217,7 @@ export default class TilesView extends Container {
           const [x, y] = points[k];
           const ANGLE_SCALE = 1000;
           const WALK_SCALE = 1000;
-          const MAGNITUDE = 6;
+          const MAGNITUDE = 6 * noise(Vector.scale([x, y], 100));
           const [vx, vy] = Vector.add(
             points[k],
             Vector.scale(