CoSudoku vs GRIDLOCK

Think you’re the fastest solver on the grid? It’s time to prove it. Cosudoku takes the classic brain-training experience you love and transforms it into a high-stakes, real-time battle of logic and speed. No more slow-paced solo play—just pure, head-to-head competition. We built Cosudoku for the players who live to win. We’ve created a seamless, low-latency arena where you can outsmart and outpace your rivals in every match.

Award winner: 1st Place, Shipaton 2026 HAMM Award. Tic-tac-toe, times nine. Win small boards, line them up, and out-score everyone. Three in a row isn't the end. Play until every board closes, and the highest score wins. HOW IT WORKS • The big board is made of small tic-tac-toe boards. • Win a small board to claim it: 1 point. • Claim three boards in a straight line: 3 bonus points for every line. • The match ends when every small board is closed. Highest score wins; a tie is a draw. PLAY YOUR WAY • 2, 3 or 4 players on one device: plus, circle, triangle and square. • Bots fill any empty seat, so you can play solo or with a full table. • Bigger boards for bigger tables: 3 and 4 player matches open up many more lines to fight over. • Offline practice against bots when you have no connection. 11 SPECIAL MOVES Bend the rules when the board gets tight. • Anchor: lock a piece so it can't be moved or overwritten. • Push: shove a row of pieces in any direction. • Dictator: choose the board your opponent must play next. • Overwrite: take a cell from an opponent. • Sandwich: flip enemy pieces caught between yours. • Bait: set a hidden trap among decoys. • Mirror: claim a cell and its reflection at once. • Nuke: clear a whole small board. • EMP: strip anchors and traps from a small board. • Gravity: tilt the whole board and let every loose piece fall. • Placement: decide where your opponent lands next. Special moves cost credits. In local and Match Room games, each player picks 3 free specials per match. MATCH ROOMS Host a private room, share the 4-digit code or invite link, and play friends on their own phones. Empty seats can go to bots. CANVAS Turn any finished match into a one-of-a-kind wallpaper. ECHO Turn any finished match into a song and a short film, made from the moves you played. Save them to your Photos. PAPER BY DAY, INK BY NIGHT Dark Mode swaps white paper for warm charcoal and cream ink. One tap in Settings. EVERY SCREEN • iPhone and iPad. • Built for iPhone Duo: fold or unfold mid-match and keep playing. CREDITS AND REWARDS • Claim a daily reward. • Watch an optional rewarded ad for extra credits; ads never play during a match. • Credit packs are available in the store. GRIDLOCK PLUS An optional auto-renewing monthly subscription ($2.99/month in the U.S.; local prices vary): • No ads • +700 CR every month • +40 daily CR that carries forward • Unlimited wallpaper saves • Free ECHO saves • All emote packs unlocked YOUR DATA Download or delete your data anytime in Settings. GRIDLOCK PLUS is an auto-renewing subscription. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless canceled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. Manage or cancel anytime in your App Store account settings. Terms of Use: https://gridlock.play.nyomik.in/terms Privacy Policy: https://gridlock.play.nyomik.in/privacy