Battle Sudoku: Samurai Puzzle

Samurai Sudoku with a twist: solve five overlapping grids solo, or duel a friend live and fling stickers to rattle their focus. No ads, no trackers.

Battle Sudoku takes the puzzle you already love and turns it into a duel.

The board is a Samurai Sudoku — five 9x9 grids that overlap into one 21x21 puzzle. The centre grid shares its corners with the four around it, so a single number can ripple across the whole board. It's the same logic you know, with a lot more room to think.

SOLO Sit down with a fresh puzzle any time. Pick your difficulty from Easy to Expert, use hints when you're stuck, pinch to zoom, and pick up right where you left off. No timer breathing down your neck unless you want one.

ONLINE BATTLE Challenge a friend to a live 1v1 race, or get matched with someone across the world. You both solve the same board at the same time and watch each other's progress fill in. First to finish cleanly wins.

STICKERS This is where it gets personal. During a battle you can fling a sticker across your rival's screen — a laughing oni, an ink dragon, a lit smoke bomb — that blurs their board and breaks their concentration for a moment. Every sticker is hand-drawn in a sumi-e ink-brush style and animates with its own sound. A well-timed taunt wins games.

MORE WAYS TO PLAY

• Classic 9x9 for a quick single-grid solve
• Colour Sudoku, where you solve with colours instead of numbers

KEEP CLIMBING Earn a warrior rank as you play, chase daily streaks, top the global leaderboards, add friends and rematch them, and track your fastest solves.

PASSES Play free forever. Ronin and Shogun passes add more daily stickers, unlock the extra modes, and support a small independent studio.

PRIVACY FIRST No ads. No third-party trackers. Just the puzzle and your rivals.

Whether you're warming up with a quiet solo run or duelling a friend across the world, Battle Sudoku turns the world's favourite logic puzzle into a battlefield.

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