ZipBrain

One single line to connect the numbers and fill the whole grid. 400 levels + a new daily puzzle. Easy to pick up, seriously tricky to master.

ZipBrain is a clean logic puzzle. Draw ONE continuous line that connects the numbers in order AND fills every cell of the grid. Simple to learn, fiendishly clever as the grids grow.

• 400 hand-tuned classic levels, from gentle 5×5 to brutal 10×10 • A new Daily Puzzle every day, the same challenge for everyone, compare your time with friends • Practice mode: endless generated puzzles, your free playground • Special levels with game-changing rules: Hidden numbers, Fog, Reversed order, Invisible trail • 100 exclusive Mega-Expert levels (Premium) • Smart, deceptive wall placement that actually TRAPS you, not just bigger grids • A hint when you're stuck (reveals a few cells) • 100% offline. Your progress syncs across your devices via iCloud. No account, no ads, no tracking.

PREMIUM (optional) • Faster energy regen and a bigger energy cap • 100 Mega-Expert levels + more to come • All past daily challenges free • +50 free energy per subscription month (yearly: 600 up front) • You support an indie developer

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