PixelBook is a pixel art game designed for relaxation through coloring various images. With a constant stream of new images added each week, the app ensures an ongoing artistic challenge. It doubles as a social network, allowing users to create, draw, and share their artwork with a wide audience for coloring. As your creations get colored by others, you earn rewards, creating a vibrant community of pixel artists.

The game offers a range of features to enhance the coloring experience, such as new images regularly, search filters for challenges, nine image categories, daily rewards, and personalized stickers for colored images. Users can create their own pixel art from pictures or use the draw tool, with power-ups and hints for smoother coloring. The app also includes player rankings based on colored pixels and over 50 achievements to unlock.