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. ━━━━━━━━━━━━━━━━━━━━━━━━ ◆ FOUR WAYS TO PLAY ━━━━━━━━━━━━━━━━━━━━━━━━ ◉ 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. ━━━━━━━━━━━━━━━━━━━━━━━━ ◆ WHY DOTBOX ━━━━━━━━━━━━━━━━━━━━━━━━ ◉ 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. ━━━━━━━━━━━━━━━━━━━━━━━━ ◆ FEATURES AT A GLANCE ━━━━━━━━━━━━━━━━━━━━━━━━ • 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 ━━━━━━━━━━━━━━━━━━━━━━━━ ◆ HOW TO PLAY (30-SECOND PRIMER) ━━━━━━━━━━━━━━━━━━━━━━━━ 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. ━━━━━━━━━━━━━━━━━━━━━━━━ ◆ PERMISSIONS ━━━━━━━━━━━━━━━━━━━━━━━━ • 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.