Black And Pink is a free online casual puzzle game where your goal is to connect all sides of a shape to fill it with the correct color — either black or pink — while dodging balls that bounce around the play area. Each level tells you which color to fill, and you draw lines across the shape to complete it without getting hit. Simple concept, brutal execution. The core mechanic is mouse-controlled: you guide your line across the field, but any ball that clips your path sends you back to retry the level. What keeps Black And Pink genuinely challenging is the difficulty scaling — every time you clear a level, the number of bouncing balls doubles. What starts as a manageable one or two balls quickly turns into a chaotic swarm that fills the screen. Timing your moves, reading ball trajectories, and finding safe windows to draw your lines becomes the real skill. There is no luck here; pattern recognition and patience are what separate a one-shot clear from endless retries. If you enjoy free online reflex puzzle games, minimalist casual games with real difficulty curves, or color-fill challenges that test your nerve rather than your memory, Black And Pink delivers that in short satisfying sessions. It fits right alongside other free mouse skill games and no-download browser games you can jump into instantly on any device.