Modern macOS updates (Catalina and later) dropped support for 32-bit applications, which includes the original CS 1.6. To play on newer Macs, you must use a compatibility layer:
As long as you download from a trusted community member (check Reddit comments for file hashes), it is safe. Do not download from pop-up ads claiming "CS 1.6 HD Remastered 2024." counter strike 16 mac dmg download high quality
: A paid but more streamlined option for running Windows games on Mac with better stability than standard Wine. 4. Legacy Support (Steam) Modern macOS updates (Catalina and later) dropped support