Chessdoku vs Squircle Shift

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.

A tranquil, minimalist spatial phenomenon where out-of-the-box thinking and precise color frame alignments offer total mental clarity. Escape noisy, over-stimulating games and discover true mental calm! Designed for thinkers seeking refined simplicity, this aesthetic puzzle experience invites you to slide rounded squares (squircles) into matching colored frames. While the rules are deceptively easy, solving these handcrafted challenges demands genuine creative intuition and lateral thinking—where a single brilliant move can unlock solutions you've contemplated for days! Enhanced by a subtle visual aesthetic, soothing ambient music, and intuitive one-handed controls, enjoy a peaceful sanctuary featuring 48 initial handcrafted levels, a smooth puzzle previewer, and a powerful undo mechanism.