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The first release of One Line! • Endless, procedurally generated levels • Daily Challenge — a new puzzle every day • Collect stars, earn coins, unlock skins • Smooth, satisfying physics with glow trails and haptics Thanks for playing — draw it, drop it, guide it home.
Draw a glowing line, drop the ball, guide it home. Easy to play, hard to master.
Draw. Drop. Guide it home. One Line is a beautifully minimal physics puzzle. Each level gives you a glowing ball, a goal portal, and a single resource: a line of light you draw with your finger. Sketch the perfect ramp, release the ball, and let gravity do the rest. Simple to pick up in seconds — and quietly addictive for hours. No timers screaming at you. No clutter. Just you, a falling ball, and one elegant line standing between it and home. — HOW TO PLAY — • Draw a line anywhere on the screen with your finger. • Tap DROP to release the ball. • Roll, bounce, and curve your way into the glowing goal. • You only have so much ink — make every stroke count. — WHY YOU'LL KEEP PLAYING — • ONE-FINGER CONTROLS. If you can draw a squiggle, you can play. • A SMOOTH DIFFICULTY CURVE. The first levels are a gentle warm-up; later levels add spikes, moving hazards, tight ink budgets and shrinking goals that will test your timing and your geometry. • HUNDREDS OF LEVELS. Procedurally generated and endless — there is always one more. • DAILY CHALLENGE. A brand-new puzzle every day, the same board for everyone. Build your streak. • COLLECT STARS. Thread the trickiest path to grab every star and earn more coins. • UNLOCK SKINS. Spend coins on glowing ball and ink styles in the Shop. • SATISFYING JUICE. Particle bursts, screen shake, glow trails and crisp haptics make every win feel great. • A GORGEOUS NEON LOOK. A calm deep-space palette with a warm glowing ball — 100% hand-tuned, no clutter. • PLAYS OFFLINE. No account, no sign-up, no internet required to play. — ONE MORE TRY — Missed by a hair? Erase, redraw, and go again in a single tap. One Line is built around that "just one more" loop: every failure is a quick lesson and the next attempt is two seconds away. Free to play, supported by optional ads. Watch a rewarded ad for extra ink or a hint only if you choose to — never required to progress. Can you guide every ball home with a single line? Draw it. Drop it. Nail it.