foldl
A downloadable game for Windows, macOS, and Linux
Overview
Written for the 2026 Spring Lisp Game Jam.
A cozy and chill puzzle game were you must fold peices of paper to fit a target shape.
Foldl is written in Clojure using the Clunk game engine with OpenGL.
If you encounter any problems running the game, please post the error along with your operating system, graphics card (if applicable) and Java version. I'll do my best to add support during the voting week!
Controls:
- Click to start a fold line, click again to fold the paper
- Hold shift and click+drag to move the paper
- Hold Control and click+drag to rotate the paper
- Press space to scan the paper and check the fit
Music written for the game during the jam by PJ Kimber (SoundCloud).
Source code is attached, also available here.
Download
Install instructions
Requires Java 11 or higher.
Download the appropriate jar file for your system. You might be lucky and double clicking it will run the game. Otherwise open a terminal and run:
Linux:
java -jar foldl_linux.jar
Windows:
java -jar foldl_windows.jar
MacOS:
java \ -XstartOnFirstThread \ -Dorg.lwjgl.opengl.Display.enableHighDPI=false \ -Dsun.java2d.uiScale=1 \ -jar foldl_macos.jar




Comments
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The screenshots look like a really cool idea, but I didn’t get it to run (so I abstained from voting):
I also tried different Java versions, but couldn’t fix that. Likely a problem on my side …