Chalk: Nonogram, Shikaku, Sudoku and Slitherlink
chalkpuzzles.app
LaunchIndex first observed Chalk: Nonogram, Shikaku, Sudoku and Slitherlink (chalkpuzzles.app) live on 25 September 2026. View its launch screenshot, category, and verification evidence.
A launch record built from evidence.
Chalk: Nonogram, Shikaku, Sudoku and Slitherlink (chalkpuzzles.app) was first observed live on 25 September 2026.
Chalk is a mobile puzzle game collection for iPhone and Android with 2643 puzzles; no account is required and it works offline. It’s a free-to-play experience with an option to remove ads.
Its profile is classified as Media within Media / Media and entertainment.
What the launch signal contained.
- First observed live
- Previous state
- No prior non-live observation
- Last verified
- Canonical host
- chalkpuzzles.app
- Category
- Media / Media and entertainment
- Website type
- Media
- Observed title
- Chalk: Nonogram, Shikaku, Sudoku and Slitherlink
- Observed description
- Sudoku, nonograms, slitherlink and shikaku for iPhone and Android. 2643 puzzles, every one checked to have exactly one solution. No account, works offline.
- Detected technologies
- None detected
- Screenshot captured
- Evidence source
- Browser observation · Local
- Evidence confidence
- 93%
- HTTP status
- 200
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