is a landmark tactical first-person shooter released by Valve in October 2004 . As a complete remake of the original Counter-Strike using the Source engine, it introduced enhanced graphics, advanced physics, and revamped audio while maintaining the core team-based gameplay. Core Gameplay and Features
Despite its age, the game maintains a dedicated community. Peak daily player counts still frequently exceed , largely due to active community-hosted servers and its importance as a source of assets for other games like Garry's Mod . Counter-Strike: Source on Steam Download Counter-Strike: Source PC Game 2004
It officially supports Windows and Linux. Support for macOS was previously available but officially ended in early 2025. is a landmark tactical first-person shooter released by