Stela 3.3.12130 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.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free Mac app was originally developed by SkyBox Labs Inc. The application is categorized as Games.
From the developer:
Stela is a cinematic, atmospheric platformer about a young woman witnessing the final days of a mysterious ancient world. She must overcome daunting challenges, treacherous terrain, and gargantuan beasts while traversing a decaying land. She must manipulate the environment to solve elaborate puzzles and creep past dangerous creatures under cover of muted landscapes, all set to an original soundtrack.
You may want to check out more software for Mac, such as TuxRacer, Balls Trial or Varmintz, which might be related to Stela.