We are releasing a new DLC with 13 levels today*! It is about binary trees and binary search trees, their definition and implementation.



It is free and should appear in your list of problems as soon as you download it.

* Mac version is only currently available for Apple Silicon builds, and needs to be opted in through Betas > "experimental".

At the same time, we're releasing our new game, Liquidum:



It is an abstract logic grid puzzle game, based on picross, but with many additional mechanics. Is it easier than lambda calculus? Find out!