The rules everyone already knows from the back of a school exercise book.
Take turns drawing a line between two neighbouring dots. The stroke doesn’t have to be accurate — it snaps to the nearest valid edge.
Complete the fourth side of a box and it’s yours — and you go again. Two boxes at once with a single line counts double.
When the last line is drawn, whoever owns more boxes wins. The chain endgame is where the real game is decided.
Every dots-and-boxes app can beat you. This one is built to be pleasant to lose to.
A forgiving drag gesture with pencil sound and haptics. Every line renders as a slightly wobbly, overshooting pen stroke — no two look alike.
Four levels: Anfänger, Fortgeschritten, Profi and Brutal. Profi plays the chain endgame exactly right but shows mercy now and then. Brutal switches the mercy off.
Pass & play on one device, or take on the computer on your own. Nothing to sign up for, nobody to wait for.
3×3 for a quick round on the bus, 5×5 and 7×7 for a proper game, 9×9 for a marathon. Games in progress are saved and resumed later.
After 15 minutes of play the app takes a hard break and locks itself for half an hour. No streaks, no reward loops, no notifications pulling you back.
VoiceOver, Dynamic Type and Reduce Motion are supported, and every theme’s two inks stay tellable apart with red/green colour blindness.
Light and dark, from the school exercise book to a neon night board. Each one is a paper, a pair of inks and a stroke weight.
Off-white ruled paper, blue and red biro. The default, and the one the app is named after.
The cool, precise one: violet and burnt orange on a barely tinted white.
Brown packing paper with espresso and deep teal — the warm one.
Deep navy drafting paper, chalk white against amber. A finer pen than the biro.
White and yellow chalk on a school blackboard — how the game gets played when there is no paper.
Cyan against magenta, lit up. The loudest theme, and the friendliest to colour-blind players.
No ads. Ever.
Hand-drawn strokes
A full sheet, 5×5
Blueprint, in the dark
Stats, kept on device
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The whole game is free. The tip is a tip — it unlocks nothing.