Still Yet Another Sokoban 2.0.1 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The application lies within Games, more precisely Puzzle. This free Mac application is a product of David Joffe.
From the developer:
Still Yet Another Sokoban is an implementation of the popular Sokoban puzzle game. The goal is to push the crates onto the designated squares without getting stuck. For easy managing the game, the hotkeys are displayed on the main window. It supports being played in fullscreen mode.
You may want to check out more Mac applications, such as Sokoban++, Sokoban for Beginners or SokoSave, which might be similar to Still Yet Another Sokoban.