Downloading CounterStrike2D 0.1.2.3 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. The most popular version among the program users is 0.1. 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 is an intellectual property of Unreal Software.
From the developer:
The initial idea of Counter-Strike 2D was to create a game which is pretty much like the original Counter-Strike game by Valve Software but which is 2D in a top-down persepective.