diff --git a/src/test/ZoomTestScene.ts b/src/test/ZoomTestScene.ts
index 2008daa..ea78a36 100644
--- a/src/test/ZoomTestScene.ts
+++ b/src/test/ZoomTestScene.ts
@@ -1,12 +1,12 @@
 import Phaser from 'phaser'
 import { TILE_SIZE } from '../config'
 
-const GRID_TILES      = 50     // world size in tiles
+const GRID_TILES      = 500    // world size in tiles
 const MIN_ZOOM        = 0.25
 const MAX_ZOOM        = 4.0
 const ZOOM_STEP       = 0.1
-const MARKER_EVERY    = 5      // small crosshair every N tiles
-const LABEL_EVERY     = 10     // coordinate label every N tiles
+const MARKER_EVERY    = 10     // small crosshair every N tiles
+const LABEL_EVERY     = 50     // coordinate label every N tiles
 const CAMERA_SPEED    = 400    // px/s
 const SNAPSHOT_EVERY  = 2000   // ms between periodic log snapshots