DotBox

Connect the dots. Capture the boxes. Conquer the grid.

DotBox is a beautifully redesigned take on the classic pen-and-paper game of Dots and Boxes. Draw lines, close boxes, and outsmart your opponent across 100 handcrafted levels, five grid sizes, and four game modes. Free, offline-capable, and polished to the pixel.

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◆ FOUR WAYS TO PLAY
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◉ vs AI — Three difficulties (Easy, Medium, Hard). The Hard opponent uses minimax search in the endgame and will punish lazy moves. Bring your A-game.

◉ 100 Levels — Five chapters of hand-tuned puzzles from 3×3 beginner grids to 7×7 expert boards. Earn 1–3 stars per level based on your win margin.

◉ Pass & Play — Two players, one device. The classic way to play with a friend on the couch, on a bus, or at the back of a boring lecture.

◉ Online Multiplayer — Play with friends worldwide using a simple 4-letter room code, or tap Quick Match to auto-pair with a stranger. Fully free, no subscription, no data cap.

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◆ WHY DOTBOX
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◉ Polished visuals. Hand-crafted typography, neon-on-dark theme, and smooth Skia-rendered animations. No stock assets, no generic clip-art.

◉ Smart AI that respects you. Most Dots & Boxes apps telegraph their moves. Our AI thinks about chain sacrifices, doubles, and endgame parity.

◉ Cosmetic customization. Earn stars, unlock dot shapes, line styles, and box effects. Five categories, dozens of combinations.

◉ Works offline. vs AI, Levels, Pass & Play, and Endless modes require zero internet. Online multiplayer needs a connection, of course.

◉ Respect for your time. No ads mid-match. No pay-to-win. No energy meters. No daily login shame. Just play.

◉ Crash-recovery built in. Lose signal mid-move? The game saves after every line. Open the app, resume right where you left off.

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◆ FEATURES AT A GLANCE
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• 100 levels across 5 chapters
• 5 grid sizes: 3×3, 4×4, 5×5, 6×6, 7×7
• 3 AI difficulties with genuine endgame intelligence
• Online multiplayer with room codes and Quick Match
• Local Pass & Play for two players
• Endless mode with all grids unlocked
• Earn stars, unlock cosmetics, customize your board
• Sign in with Google to sync progress across devices
• Haptic feedback on every capture
• Dark-mode first, readable typography, minimum tap targets
• Full accessibility labels for screen readers

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◆ HOW TO PLAY (30-SECOND PRIMER)
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1. Take turns drawing one line between two adjacent dots.
2. When you close the fourth side of a square, you claim it and get another turn.
3. When all lines are drawn, whoever captured the most squares wins.

Sounds simple. It isn't. The game is a microcosm of sacrifice, parity, and chain control — a genuine strategy puzzle disguised as a children's game.

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◆ PERMISSIONS
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• Internet — online multiplayer, Google Sign-In, and advertising
• Vibrate — haptic feedback (can be disabled in Settings)

Made with care for people who like to think.