More about the project:
Projects have share function, you can put short links to share messages for increase users in-game.
To increase audience retention we use local notifications after 1,6 and 24 hours and after 1 week.
For monetization project has AdMob framework, you can easily place your ad id’s.
After the game we called the rate us function, also we have rate us button in the main menu.
Game-based on SpriteKit engine, and write on Swift 4. All code in game nice commented. The project has good program architecture.