NextDigit vs Chessdoku

Think fast. Solve faster. Next Digit is a fast-paced math puzzle game that pushes your mental speed and accuracy to the limit. Tackle quick math challenges, improve your reaction time, and build your streak as the difficulty increases. Features: • Smooth and responsive gameplay • Multiple difficulty levels • Instant feedback for every answer • High score tracking • Minimal, distraction-free design Perfect for quick sessions or long streaks, Next Digit keeps your brain active and engaged.

Place the given chess pieces so every row and column holds exactly one piece — and no piece threatens another. That's Chessdoku: the discipline of Sudoku, the geometry of chess. NO GUESSING, EVER Every puzzle is generated by a built-in deduction engine and verified solvable by pure logic. Stuck? The hint doesn't just drop a piece — it explains the deduction you could have made. FIVE WAYS TO PLAY - Classic — open square boards, from a gentle 4×4 to the deep end - Panorama — wide boards that bend your instincts - Fortress — frozen pawn walls cut the lines, so extra pieces fit - Command — you place the pawns, and your pieces need them - Torus — borderless boards where attacks wrap around the edges 300 levels in each mode — 1,500 puzzles in all. EVERY DAY, ONE PUZZLE A daily challenge seeded from the date, identical for every player on Earth. Keep your streak alive and share your result, spoiler-free. THINK WITH YOUR HANDS Cross off dead squares with the X tool, pencil-mark individual piece options Sudoku-style, long-press any piece to see exactly what it attacks, and let the app prove it the moment a position becomes unwinnable. FREE TO PLAY The daily challenge, the tutorial, and a generous run of free levels — including the first 100 in Classic — are free to everyone. One optional purchase unlocks all 1,500 levels and every Quick Play preset — no subscription, ever. YOURS, OFFLINE No account. No ads. No tracking. Puzzles are generated on your device and your progress never leaves it. Seventeen handcrafted board themes, including a colorblind-friendly high-contrast set.