As somebody who has also built sort of "different" slide puzzle (trivia meets slide puzzles), I'm a huge fan of new ones.

Thanks for adding the little touches like letting me click a tile and have it displace the entire row to the left/right, and also the quotes underneath the tiles is pretty great too!

A 15-puzzle's smaller cousin: twelve square tiles around one empty square, on the {4,5} tiling, drawn in the Poincaré disc. Tiles rotate as they slide, so you fix orientation as well as position.

Clip: https://x.com/mametter/status/2103722643442827393