What's a good iOS game for relaxing with simple yet challenging puzzle levels?

Two Dots - Connect the Colors is an excellent choice for relaxing with simple yet challenging puzzle levels. The game's core mechanic involves connecting dots of the same color, which is easy to grasp initially. However, as you advance, the puzzles introduce new elements like anchors, bombs, and fires, requiring strategic thinking and careful planning. The minimalist design and soothing soundtrack contribute to a calming atmosphere, making it perfect for unwinding. With hundreds of levels and regular updates adding more content, Two Dots provides a consistent stream of engaging challenges without being overly stressful. It's a great way to exercise your brain while enjoying a peaceful gaming experience. The game also features different level types and objectives, keeping the gameplay fresh and preventing it from becoming repetitive.