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Simon Tatham’s portable puzzle collection is a C project that features game-specific backends, platform-specific frontends, and both-agnostic middleware that lets the games and the platforms compose to give m × n combinations

When I find (or perhaps invent) further puzzle games that I like, they’ll be added to this collection and will immediately be available on [all] platforms. And if anyone feels like writing any other front ends for platforms I don’t support (which people already have) then all the games in this framework will immediately become available on another platform as well.

The project’s main page, with the puzzles and downloads/links to the various platforms: https://www.chiark.greenend.org.uk/~sgtatham/puzzles/

The developer documentation, specifically the page introducing the front end/middle end/back end-architecture: https://www.chiark.greenend.org.uk/~sgtatham/puzzles/devel/intro.html#intro

(About the tag choice: There is no architecture tag; but the scaling tag is for “scaling and architecture”, and I guess I can see the logic there, because a program’s architecture matters more and more as the scale of a project increases.)

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    I love these. They are installed on every single machine I own and have owned since probably Nokia n900 days. It was one of the tough things when that phone died, but someone had ported it to Android by then at least.