"Paint it all" is a free iPhone game developed by 晓怡 陈. In this puzzle game, players can easily draw lines, control the movement direction of a small brush with their fingers, and color the blank areas to progress through levels. The game offers a casual style that can be personalized, allowing players to accumulate gold coins to change scenes and skins, creating a relaxed and enjoyable atmosphere.

Players can challenge the game daily to train their brains, promoting quick thinking and active problem-solving skills to potentially enhance IQ. With diverse levels, scenes, and rich skin content, "Paint it all" ensures continuous gameplay for endless entertainment and enjoyment.