Introduction: Happy Color - Paint by Number is a mobile puzzle game developed by X-Flow. As the name suggests, this game offers a relaxing and creative experience where players can paint beautiful artworks by filling in numbered sections. In this review, we will explore the gameplay, graphics, sound design, controls, and overall experience of Happy Color.Gameplay (4/5): Happy Color is all about providing players with a calming and creative pastime. The gameplay involves selecting a grayscale image that has been divided into numbered sections. Each number corresponds to a specific color, and players simply need to tap and fill in the sections with the appropriate colors.The game offers a wide selection of images to paint, ranging from animals and nature scenes to intricate patterns and mandalas. Completing a picture is satisfying and offers a sense of accomplishment, making it particularly appealing to those who enjoy art and coloring.One of the game's strengths is its accessibility. The controls are straightforward, making it suitable for players of all ages. It's an ideal choice for unwinding and relieving stress as players immerse themselves in the artistry of coloring.Graphics (4/5): Happy Color features a vibrant and visually pleasing presentation. The grayscale images are well-drawn, and the colors provided for filling are rich and varied. As players fill in the sections, the images come to life with vivid colors, creating a sense of transformation and creativity.The game's graphics do an excellent job of enhancing the coloring experience, making it visually appealing. However, while the images are enjoyable to color, they may not be as intricate or detailed as those found in dedicated coloring books.Sound Design (3/5): Sound design in Happy Color is minimalistic. The game includes basic sound effects for actions like tapping and filling in sections. While these sound effects provide some auditory feedback, they do not significantly contribute to the overall experience.One area where the game could improve is in the inclusion of soothing background music or ambient sounds. A calming soundtrack could enhance the relaxation aspect of the game and make it more immersive.Controls (4.5/5): The controls in Happy Color are simple and optimized for touchscreen devices. Players tap on the numbered sections to fill them with the corresponding colors. The controls are responsive and accurate, allowing for precise coloring.One minor issue is that on smaller screens, players may encounter challenges with precision when tapping small sections. However, this does not significantly impact the overall coloring experience.Conclusion: Happy Color - Paint by Number is a delightful and relaxing mobile game that offers a creative and stress-relieving experience. Its simple and accessible gameplay, combined with visually pleasing graphics, make it an excellent choice for those looking to unwind and tap into their artistic side.While the game's sound design is minimalistic and could benefit from additional audio elements, it still provides a satisfying coloring experience. The absence of background music is a minor drawback but does not diminish the enjoyment of the game.Whether you're an aspiring artist or simply seeking a soothing and creative pastime, Happy Color provides a colorful and enjoyable journey. It's a game that invites you to express your creativity and bring beautiful images to life with a simple tap, offering moments of relaxation and artistic satisfaction.