Connect every dot. One stroke. Endlessly satisfying.
Download on the App StoreBeautifully designed puzzles that grow with you. From beginner-friendly to brain-bending.
Cosmic, Barbie, Bike, Cricket, and more. Switch anytime to match your mood.
Watch your avatar travel from level to level. Feels like a journey, not a checklist.
Beat your own best on every level. Replay for the perfect run.
A fresh challenge every day to keep your streak alive.
By a small indie team that reads every email. Got feedback? We're listening.
Download One Line free on the App Store today.
Get One Line