Gamification is not just about adding game elements to your non-game domain, but also about creating a fun and engaging user experience. Fun is the emotional response that users have when they interact with your gamification design, and it can be influenced by factors such as novelty, challenge, feedback, and social interaction. Flow is the psychological state that users have when they are fully immersed and focused on your gamification design, and it can be influenced by factors such as clear goals, balanced difficulty, immediate feedback, and control. You need to design for fun and flow in your gamification project, as they can enhance the user's motivation, engagement, and performance. For example, in education, you might design for fun by adding humor, surprise, or fantasy to your gamification design, and for flow by matching the difficulty level to the user's skill level and providing clear and timely feedback. In health, you might design for fun by adding variety, choice, or personalization to your gamification design, and for flow by setting realistic and achievable goals and providing progress indicators and rewards. In work, you might design for fun by adding creativity, collaboration, or recognition to your gamification design, and for flow by providing autonomy, mastery, and purpose to your users.