android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.11
-app.versionCode=11
+app.versionName=0.0.13
+app.versionCode=13

assets/files/images.json

@@ -2,15 +2,23 @@
   "images": [
     "01882a463c31c41c27b439e16c818d6c",
     "0962959cf3392e84b9816de7fd80b656",
+    "0b6033777c69239b27f1a69f4ae8e5a0",
+    "176bb4ff17fa780ceacd24ca6968e069",
     "2715266767abd39230f31dc3aedec5a2",
     "2b0264e0dfdc83f433f62122fdc2c5ce",
     "2f322012dc62be0d82ae5a12fe76a419",
+    "3269a13c40b96adb237747cdbf9dc352",
     "3cb41c8a1fd652283d3101c8af163178",
+    "3cfd5546033cc75e5adbde352bb3ea4b",
     "3eee7c575d34574b05eeb36f17ada425",
+    "3f778650014debd49917afe1e4c669c8",
     "41cd4b039bf58089fdca88eb509f02ae",
     "4860b95025d8a5e41205fc60ad0a10e3",
+    "4d4cfc485ed98a136bb15b4e59885932",
+    "50ffb244928fa2ee2423898362290568",
     "525ef313dcfc134ed63125a6b2dc2d45",
     "59fba0db06556293580de7ba5330ad49",
+    "5e2dd574a70a0d2dc573b2199ed8c746",
     "5e5f9a0a8b3dd0bfd2f47ae98ec5dbac",
     "61f957831ae29d16fd9f9d1bd5e1108e",
     "6230e89eeec906d71055ddcdddd4b10a",
@@ -19,10 +27,18 @@
     "78edb7a85c822c76eae85da9fcd31324",
     "7c2f42e74e249ce9dad4a0802dde22c2",
     "9512a6948b3f4df8bd315d99ddc4f632",
+    "9ce4da1ed6679a03068942102e8227a8",
+    "a770090c788f9e02f4bd5fc3b988f00e",
     "acb90f2491a73ba81e9f3d540ba66ffb",
     "b0f3a0498db5898d680c0975a5eb91c2",
+    "b94b03336c3bb1bb020ab101b81ade1d",
     "c1857547d6c219a883cab7a3b9f7d5d6",
+    "c8f8b9734ace9be430ccd16e0f1b4aa4",
     "d370d2eeb6bb1445fdfbeb48734a3c43",
+    "d476505cf1c1eb67d88e39751ea125bb",
+    "db4ae886aed6e54fb47dc5b81d04cfa7",
+    "fbe93b88bdb22bd80ad1cb6b211355c3",
+    "fd8cc9ee56f7b0d1d598723385fabbb3",
     ""
   ]
 }

lib/screens/home.dart

@@ -148,7 +148,7 @@ class Home extends StatelessWidget {
     var random = new Random();
     int tilesCount = tiles.length;
 
-    for (int i = 0; i < 40; i++) {
+    for (int i = 0; i < (10 * tilesCount); i++) {
       int indexTile1 = random.nextInt(tilesCount);
       int indexTile2 = random.nextInt(tilesCount);