Tap on the Arcade to play the mini-games and win helpful rewards! It will be active for a limited time. Don't worry if you find it temporarily closed. There will be a new mini-game about to start! Find the following widget at the left side of the gaming screen when a mini-game is active:

You will start with 5 lives/opportunities that will be recovered after a short cooldown. Every stage will provide you with points. As you complete levels, you collect points to complete the progress bar. Every time you fill it, you will receive a prize. Find gems, building materials, mining tools, or even potions if you keep up the hard work.