Observed arrival · 2026-09-05

Chalk: Puzzles That Stay on Your Phone

chalkpuzzles.app Observed source

Editorial interest 84/100 Selection signal · not a rating of the site

A chalk-drawn collection of nine puzzle and board games with 1,022 offline puzzles and no account.

Landing page captured for the 2026-09-05 issue.

Field notes

The collection divides its 1,022 puzzles across nine named games, including 272 Sudoku boards, 125 Nonograms, 125 Slitherlink puzzles, 200 Stitch puzzles, and 300 Quilt puzzles. Its multiplayer design supports local-network play, speaker-based move exchange, or passing one phone between players. The site says puzzle data ships inside the app and that personal progress, best times, and settings stay in a local file rather than an account.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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