android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.17
-app.versionCode=17
+app.versionName=0.0.18
+app.versionCode=18

lib/utils/game_utils.dart

@@ -9,6 +9,7 @@ class GameUtils {
 
   static Future<void> startGame(Data myProvider) async {
     print('Start new game: ' + myProvider.size);
+    myProvider.updateSize = myProvider.size;
     myProvider.updateStateRunning = true;
     myProvider.updateCells = BoardUtils.createEmptyBoard(myProvider.blockSizeHorizontal * myProvider.blockSizeVertical);
     BoardUtils.pickGrid(myProvider);