One popular alternative is to download the game from the official Valve Corporation's website or other reputable sources like:
For a completely legal offline CS experience, Valve's Counter-Strike 1.6 (available on Steam for $5) includes bot support and works offline, though it lacks the specific 1.3 physics. counter strike 1.3 free download offline
Have a safe link? Drop it in the comments for the community. 👇 One popular alternative is to download the game