diff --git a/app.js b/app.js
index f6b96b8..3f2ac33 100644
--- a/app.js
+++ b/app.js
@@ -342,8 +342,4 @@ window.onbeforeunload = function (event) {
     gui.save()
     localStorage["teTraHighScore"] = stats.highScore
     return !game.playing
-}
-
-if ('serviceWorker' in navigator) {
-    navigator.serviceWorker.register('./jsm/service-worker.js');
 }
\ No newline at end of file
diff --git a/index.html b/index.html
index 85d5155..0a40ac6 100644
--- a/index.html
+++ b/index.html
@@ -35,5 +35,6 @@
       <audio id="music" src="audio/benevolence.m4a" loop></audio>
       <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ENjdO4Dr2bkBIFxQpeoTz1HIcje39Wm4jDKdf19U8gI4ddQ3GYNS7NTKfAdVQSZe" crossorigin="anonymous"></script>
       <script type="module" src="app.js"></script>
+      <script>navigator?.serviceWorker.register('./jsm/service-worker.js')</script>
     </body>
 </html>
\ No newline at end of file
diff --git a/jsm/TetraGUI.js b/jsm/TetraGUI.js
index f2fa9fb..4d872ba 100644
--- a/jsm/TetraGUI.js
+++ b/jsm/TetraGUI.js
@@ -54,8 +54,8 @@ export class TetraGUI extends GUI {
                         scene.vortex.colorFullTextureRotation = 0.006
                         scene.vortex.colorFullMoveForward     = 0.025
 
-                        //scene.ambientLight.intensity     = 1
-                        scene.directionalLight.intensity = 1.8
+                        scene.ambientLight.intensity     = 0.6
+                        scene.directionalLight.intensity = 5
                         
                         Mino.mesh.material.opacity   = 0.7
                         Mino.mesh.material.roughness = 0.48
@@ -81,16 +81,16 @@ export class TetraGUI extends GUI {
                         
                         scene.vortex.globalRotation = 0.028
                         scene.vortex.darkTextureRotation = 0.006
-                        scene.vortex.darkMoveForward = 0.02
+                        scene.vortex.darkMoveForward = 0.03
                         scene.vortex.colorFullTextureRotation = 0.006
-                        scene.vortex.colorFullMoveForward = 0.007
+                        scene.vortex.colorFullMoveForward = 0.012
 
                         scene.ambientLight.intensity     = 20
                         scene.directionalLight.intensity = 10
                         
-                        Mino.mesh.material.opacity   = 0.6
-                        Mino.mesh.material.roughness = 0.08
-                        Mino.mesh.material.metalness = 0.98
+                        //Mino.mesh.material.opacity   = 0.6
+                        //Mino.mesh.material.roughness = 0.08
+                        //Mino.mesh.material.metalness = 0.98
                     }
                 break
             }
@@ -138,7 +138,7 @@ export class TetraGUI extends GUI {
             cameraPosition.add(scene.camera, "fov", 0, 200).onChange(() => scene.camera.updateProjectionMatrix())
         
             let light = dev.addFolder("lights intensity").close()
-            //light.add(scene.ambientLight, "intensity").name("ambient").min(0).max(20)
+            light.add(scene.ambientLight, "intensity").name("ambient").min(0).max(20)
             light.add(scene.directionalLight, "intensity").name("directional").min(0).max(20)
             
             let directionalLightPosition = dev.addFolder("directionalLight.position").close()
diff --git a/jsm/TetraScene.js b/jsm/TetraScene.js
index a577dc7..805e045 100644
--- a/jsm/TetraScene.js
+++ b/jsm/TetraScene.js
@@ -12,10 +12,10 @@ export class TetraScene extends THREE.Scene {
         this.vortex = new Vortex(loadingManager)
         this.add(this.vortex)
         
-        /*this.ambientLight = new THREE.AmbientLight(0xffffff, 1)
-        this.add(this.ambientLight)*/
+        this.ambientLight = new THREE.AmbientLight(0xffffff, 1)
+        this.add(this.ambientLight)
         
-        this.directionalLight = new THREE.DirectionalLight(0xffffff, 1.8)
+        this.directionalLight = new THREE.DirectionalLight(0xffffff, 5)
         this.directionalLight.position.set(5, -20, 20)
         this.add(this.directionalLight)