To those who understand Russian, here are two blog posts (with screenshots) the author wrote on how he developed the game: https://habrahabr.ru/post/335960/ ht

To those who understand Russian, here are two blog posts (with screenshots) the author wrote on how he developed the game: https://habrahabr.ru/post/335960/ https://habrahabr.ru/post/335960/ https://habrahabr.ru/post/337896/ https://habrahabr.ru/post/337896/