Boxlines

A head-to-head lattice race. Every cell shows how many of its four walls must be drawn — you and your opponent get the identical grid, and the first to draw a set of edges that satisfies every cell wins the round. Play solo against a drawing bot, online with a friend, or as a Daily Gauntlet time-trial.

• Puzzle
• Medium
• about 2 min

How to play

1. Each cell's number is how many of its four surrounding edges must be drawn.
2. Tap (or arrow-key + space) the segments between dots to draw or erase edges.
3. First to satisfy every cell wins the round. Win the most rounds to take the match.

Play free in your browser — the first levels need no account.

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