A Beauty Cold and Austere is an elegant and ardent love letter to mathematics. The game progresses naturally along the historical development of mathematics, and the world expands along with our understanding of what a number actually is. Each puzzle is cleverly designed around a fundamental principle of mathematics, using the language and thought processes of at the time of discovery. I loved interacting with the historical figures and seeing them interact with each other! This game is a masterpiece, and I will being singing its praises to all of my math-y friends!