Credits
Thank you
Plumb stands on open-source work. Here is all of it, with the licences.
Made by
Game designer and developer
AI co-developer
In the game
The game engine, MIT licence
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.
By Poing Studios, MIT licence. Shows Google's ads in the Android app.
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's in-app purchase library in the Android app, under the Android SDK licence.