Simon Tatham's Portable Puzzle Collection

chiark.greenend.org.uk

A long-standing set of small one-player logic puzzles, playable in the browser or offline

Details gathered automatically and checked on 14 November 2026. How sites are assessed

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The Simon Tatham's Portable Puzzle Collection home page — Home page, captured 14 November 2026.

A personal collection of compact single-player puzzle games, mostly re-implementations of established puzzle types such as Bridges, Dominosa, Fifteen, Flood and Galaxies. Each puzzle has a JavaScript version that runs in the browser, plus a manual and downloadable builds for Windows and Unix. The page itself is a plain list with a short description of each game. Puzzles are designed to be picked up for a few minutes during a break, and some were contributed by other authors.

Games to try

Black Box
Bridges
Dominosa
Fifteen
Galaxies

How the advertising was measured

An automated visit on 14 November 2026, from the UK, at desktop and phone size, loading the home page and one game page. Levels are estimates: ads change from visit to visit.

Ad networks loading: None detected
Ad slots counted: 0
First screen covered by ads: 0%
Full-screen (interstitial) ads: Not seen
Video ads: Not seen
Sound or video playing on arrival: Not seen

How sites are assessed

Listed since 14 November 2026. Last checked 14 November 2026. Details are gathered automatically from the site itself; anything we couldn't confirm is shown as "Not yet assessed".

Pages checked

www.chiark.greenend.org.uk/~sgtatham/puzzles/ (14 November 2026)
www.chiark.greenend.org.uk/~sgtatham/puzzles/js/blackbox.html (14 November 2026)

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About Simon Tatham's Portable Puzzle Collection

Games to try

How the advertising was measured

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