diff --git a/core/main/src/Options/Classes/Particles/Opacity/OpacityRandom.ts b/core/main/src/Options/Classes/Particles/Opacity/OpacityRandom.ts
index 616520fd1cb..3830e8cbbcd 100644
--- a/core/main/src/Options/Classes/Particles/Opacity/OpacityRandom.ts
+++ b/core/main/src/Options/Classes/Particles/Opacity/OpacityRandom.ts
@@ -8,7 +8,7 @@ export class OpacityRandom implements IOpacityRandom, IOptionLoader<IOpacityRand
 
     constructor() {
         this.enable = false;
-        this.minimumValue = 1;
+        this.minimumValue = 0.1;
     }
 
     public load(data?: RecursivePartial<IOpacityRandom> | undefined): void {
diff --git a/core/main/tests/Options.ts b/core/main/tests/Options.ts
index cbcc0b1eedb..54dbf29be48 100644
--- a/core/main/tests/Options.ts
+++ b/core/main/tests/Options.ts
@@ -119,7 +119,7 @@ describe("Options tests", () => {
         expect(options.particles.opacity.animation.speed).to.equal(2);
         expect(options.particles.opacity.animation.sync).to.be.false;
         expect(options.particles.opacity.random).to.be.an("object").to.have.property("enable").to.be.false;
-        expect(options.particles.opacity.random).to.be.an("object").to.have.property("minimumValue").to.equal(1);
+        expect(options.particles.opacity.random).to.be.an("object").to.have.property("minimumValue").to.equal(0.1);
         expect(options.particles.opacity.value).to.equal(1);
 
         /* particles rotate */
diff --git a/demo/main/public/presets/test.json b/demo/main/public/presets/test.json
index 867550878db..90395636acf 100644
--- a/demo/main/public/presets/test.json
+++ b/demo/main/public/presets/test.json
@@ -1,10 +1,9 @@
 {
-  "fpsLimit": 60,
   "particles": {
     "number": {
-      "value": 100,
+      "value": 150,
       "density": {
-        "enable": false,
+        "enable": true,
         "value_area": 800
       }
     },
@@ -21,23 +20,23 @@
         "nb_sides": 5
       },
       "image": {
-        "src": "https://cdn.matteobruni.it/images/particles/github.svg",
+        "src": "img/github.svg",
         "width": 100,
         "height": 100
       }
     },
     "opacity": {
       "value": 0.5,
-      "random": false,
+      "random": true,
       "anim": {
         "enable": false,
-        "speed": 1,
+        "speed": 0.15,
         "opacity_min": 0.1,
         "sync": false
       }
     },
     "size": {
-      "value": 4,
+      "value": 3,
       "random": true,
       "anim": {
         "enable": false,
@@ -47,19 +46,19 @@
       }
     },
     "line_linked": {
-      "enable": false,
+      "enable": true,
       "distance": 150,
       "color": "#ffffff",
       "opacity": 0.4,
       "width": 1
     },
     "move": {
-      "enable": true,
+      "enable": false,
       "speed": 2,
       "direction": "none",
       "random": false,
       "straight": false,
-      "out_mode": "bounce",
+      "out_mode": "out",
       "bounce": false,
       "attract": {
         "enable": false,
@@ -69,21 +68,21 @@
     }
   },
   "interactivity": {
-    "detect_on": "canvas",
+    "detect_on": "window",
     "events": {
       "onhover": {
         "enable": false,
-        "mode": "grab"
+        "mode": "repulse"
       },
       "onclick": {
-        "enable": true,
-        "mode": "repulse"
+        "enable": false,
+        "mode": "push"
       },
       "resize": true
     },
     "modes": {
       "grab": {
-        "distance": 200,
+        "distance": 400,
         "line_linked": {
           "opacity": 1
         }
@@ -92,10 +91,12 @@
         "distance": 400,
         "size": 40,
         "duration": 2,
-        "opacity": 8
+        "opacity": 8,
+        "speed": 3
       },
       "repulse": {
-        "distance": 200
+        "distance": 120,
+        "duration": 0.4
       },
       "push": {
         "particles_nb": 4
@@ -113,4 +114,4 @@
     "repeat": "no-repeat",
     "size": "cover"
   }
-}
\ No newline at end of file
+}