Rain Drops for the Nintendo DS is a puzzle game where players match colorful droplets of water, called Rain Drops, to clear them from the screen and score points. With a focus on quick thinking and hand-eye coordination, players must strategically align similar drops by rotating and positioning them, either by using the stylus on the touch screen or the console's buttons. The game features various modes, from tranquil puzzles to time-pressured challenges, offering a relaxing yet engaging experience that is suitable for all ages. Its casual and easy-to-learn nature places it firmly in the family-friendly puzzle genre.