We are releasing a new DLC with 13 levels today*! It is about binary trees and binary search trees, their definition and implementation. https://store.steampowered.com/app/2807750/functional__trees?utm_source=functional&utm_content=update 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: https://store.steampowered.com/app/2716690/Liquidum?utm_source=functional&utm_content=update It is an abstract logic grid puzzle game, based on picross, but with many additional mechanics. Is it easier than lambda calculus? Find out!

The new update adds achievements for finishing full sections and for using Workshop.