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Other versions of this game:  Inky Vol 1: Math Sudoku

Play Online Inky Vol 2 Math Sudoku

Have you ever opened up a Sudoku app and thought, “This could use a little more… pizzazz?” That’s exactly what Inky Vol 2 Math Sudoku brings to the table. Instead of just dropping you into rigid 9×9 boxes, it sprinkles in math challenges—think addition chains, multiplication zones, even little subtraction puzzles tucked into each row and column. It’s like Sudoku and mental math had a baby, and it’s surprisingly addictive.

The way each board lights up when you crack a tricky sum is oddly satisfying. You still follow the classic rules—every number from 1 to 9 shows up exactly once in every row, column, and region—but those extra arithmetic twists keep your brain buzzing. There are multiple difficulty levels, too, so you can breeze through the easier grids when you need a quick warmup or hunker down for a real head-scratcher if you’ve got some time to kill.

What really sold me was the hint system. It’s not just “here’s a random number,” but more like a gentle nudge: “Maybe check that multiplication pair in the top left.” And if you’re into stats, the game tracks your best times, your streaks, and even the average time you spend on each puzzle size. It’s cool to see yourself improve over days or weeks—suddenly that old beginner board feels like a cakewalk.

All in all, Inky Vol 2 Math Sudoku feels fresh without throwing the baby out with the bathwater. Whether you’re a Sudoku purist looking for a twist or a math nerd who wants a prettier interface than a textbook, this little gem has something to offer. Just brace yourself: once you start, it’s surprisingly hard to shut off that charming little number maze.