Credits

Thank you

Plumb stands on open-source work. Here is all of it, with the licences.

Made by

In the game

  • Godot Engine

    The game engine, MIT licence

  • Outfit

    Typeface by the Outfit Project Authors, SIL Open Font License 1.1. Used as two static weights with overlapping contours merged.

  • Sound and music

    Every sound effect and the ambient music loop are synthesised in code for this game. None are third-party.

  • Art and levels

    Drawn and generated in code, and every level proven solvable by the game's own solver.

  • Godot AdMob Plugin

    By Poing Studios, MIT licence. Shows Google's ads in the Android app.

  • Godot Google Play Billing

    By the Godot Foundation's contributors, MIT licence. Handles the Supporter pack.

  • Google Mobile Ads SDK and User Messaging Platform

    Google's ads and consent libraries in the Android app, under Google's terms.

  • Google Play Billing Library

    Google's in-app purchase library in the Android app, under the Android SDK licence.

On this website

  • Astro

    The site framework, MIT licence

  • Pagefind

    Search that runs in your browser, MIT licence

  • Giscus

    Comments and feedback on GitHub Discussions, MIT licence

  • Outfit

    Served from Fontsource, SIL Open Font License 1.1