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Prime Sudoku

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Prime Sudoku

Puzzle 🆓 Free ⬇️ No Download 🔑 No Login 📱 Mobile Ready

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Prime Sudoku blends classic number-placement logic with a twist: every digit must align with the hidden primes of its row, column, and 3x3 box. Race against time or relax in endless mode to sharpen your mind while uncovering prime patterns. The game grows smarter with each puzzle, adapting to your skill level for a fresh challenge every session. With vibrant visuals and intuitive controls, Prime Sudoku turns mental exercise into pure fun—where strategy meets arithmetic in a sleek, addictive package.

🎮 How to Play / Controls

Click or tap to select cells, use keyboard for numbers 1-9, press Enter to confirm, Backspace to erase, and Shift+number to mark candidates. Right-click toggles notes. Use mouse wheel to undo/redo moves.

🎬 Game Walkthrough Video guide & tips

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Ghost Race Mode

Race a recording of another player!

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Time Warp Replay

Record 60s of inputs as a ghost

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📊 Game Info

FREE

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Puzzle

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