Trace. Connect. Solve. The classic one-stroke puzzle — beautifully reimagined for every Apple device. Draw a single, unbroken path through every edge. Sounds simple? Think again. From your iPhone to Apple Vision Pro, hundreds of puzzles await your perfect line. Every stroke counts. Every path is a new challenge. Can you trace them all? ONE LINE. INFINITE STRATEGY Study the nodes, plan your route, and trace the perfect path — all in one continuous stroke. One wrong turn and you'll need to rethink everything. TEN WORLDS. ENDLESS CHALLENGE. Journey from elegant warmups in Iron to mind-bending masterpieces in Platinum and beyond. Ten themed worlds with up to 100 levels each — new puzzles added regularly in free updates. CHASE PERFECTION Earn up to 3 stars on every level by completing the puzzle in the fewest strokes. Track your progress, compare your scores, and unlock every world. PLAY ANYWHERE. PICK UP EVERYWHERE. Your progress syncs seamlessly via iCloud. Start a puzzle on your Mac, solve it on your iPad, or step into it on Apple Vision Pro — right where you left off. SPATIAL PUZZLING ON VISION PRO Experience one-stroke puzzles floating in your real space with native visionOS glass design. Gaze, tap, and trace your way through every level in stunning spatial clarity. FEATURES • 10 themed worlds with up to 100 levels each — new levels added in free updates • 3-star rating system based on stroke efficiency • iCloud sync across iPhone, iPad, Mac, and Apple Vision Pro • Native spatial experience on visionOS with glass UI • Solution hints when you're truly stuck • Rich sound design with ambient music & satisfying effects • Per-sound audio customization — toggle any effect on or off • Keyboard, touch, and gaze-based controls — native on every platform • Dark mode support with system, light, and dark appearance options Simple to learn. Devilishly hard to master. How far can you trace?
