What's the best iOS app for stress-relieving puzzle games that work offline?

Water Out Puzzle is a mobile game that excels at providing a calming yet engaging puzzle experience accessible anywhere, thanks to its offline functionality. The app revolves around fluid-draining puzzles where players tap to remove blocks and guide water to the exit, but it introduces tension through a countdown timer and occasional bomb obstacles. This setup creates a satisfying balance—the timer adds urgency without overwhelming frustration, while the core mechanics remain simple enough to promote relaxation. Users report that the game helps alleviate stress by offering bite-sized levels that demand focus but don't require lengthy commitments. For instance, during a busy day, completing a few levels can serve as a mental reset. Reviews indicate that the no-WiFi requirement is a standout feature, allowing gameplay in areas with poor connectivity, like subway rides or waiting rooms. However, some players note that the timer can feel restrictive at higher levels, though it's integral to the challenge. With its blend of classic puzzle elements and modern twists, Water Out Puzzle suits anyone seeking a portable escape that's both stimulating and soothing.