Dots & Boxes: Brain Duel

Remember the pen-and-paper game from school? Dots & Boxes brings it to your phone with a twist that makes every game a fresh puzzle.

Take turns drawing a line between two dots. Close the fourth side of a box to claim it and move again. The player with the most boxes wins. Simple to learn, surprisingly deep to master.

WHAT MAKES IT DIFFERENT
• Obstacles and walls: blocked cells and pre-drawn lines break up the usual chains, so old tricks stop working and you have to think again.
• Boards that fit your phone: from a quick 6×6 to tall 8×10 boards, with pinch-to-zoom.
• Swipe or tap: drag between two dots or tap a gap to draw a line.
• Calm focus music and crisp sound cues, plus light and dark themes (all switchable in Settings).

PLAY AGAINST THE COMPUTER
Endless levels, each chapter harder than the last, from a friendly Beginner to a Master that calculates the endgame exactly. Levels add shiny gem boxes, bomb boxes, locked lines and shaped boards. Track your wins and losses on every level.

BRAIN CHALLENGES
• Daily puzzle: a fresh endgame every day, the same for everyone. Keep your streak alive!
• Chain School: twelve puzzles that teach chains, sacrifices and the double-cross.
• Achievements to collect as you improve.

PLAY WITH FRIENDS
• Pass & Play: 2 to 4 players on one phone, no internet needed.
• Online: find a random opponent or create a private room and share the 6-letter code. Every move is checked by the server, so nobody can cheat.
• Ranked play with ratings and a leaderboard, rematches, and hearts to thank a good opponent.
• Report or block anyone, any time.

FAIR AND PRIVATE
• No ads, no in-app purchases, no tracking.
• No email or phone number needed: just pick a username.
• Offline play sends nothing off your phone. Delete your online account any time from Settings.

Online play is for ages 13 and up.