One of the easiest ways to keep users coming back to your website is by adding gamification. Why? Because people love numbers—whether it's grades, money, or progress bars. We're wired to care about them, and smart product builders use that to their advantage. Think about it. Duolingo rewards you for daily practice. E-commerce sites do it to encourage more shopping. Even StackOverflow gives you badges based on how much you help others. Numbers make things feel fun and rewarding. And today, you're going to learn how to bring that magic to your app. But before we jump into code, let’s plan how the system should actually work.