FreeGameDev

Swappy Jigsaw is a simple jigsaw puzzle game, where you have to unravel an image split into many tiles. Click to pick a tile and click another tile to swap them. There are 84 images total.
The game is made in Castle Game Engine (Lazarus/FreePascal), is free, libre and open source.
Sources can be found here: https://gitlab.com/EugeneLoza/swappy-jigsaw
Executable binaries (Windows and Linux): https://decoherence.itch.io/swappy-jigsaw