The 2.6.3 version of Cosmo Run for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free software for Mac OS X is an intellectual property of nosixfive. Cosmo Run for Mac lies within Games, more precisely Arcade. 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.
From the developer:
Cosmo Run is an arcade game where your goal is to survive long enough and you will meet special alternative paths.
You may want to check out more Mac applications, such as Clean Run Course Designer 4, Cosmos or Cosmo Desktop, which might be similar to Cosmo Run.