Half-Life: Counter-Strike

Half-Life: Counter-Strike is the ultimate multiplayer gaming experience, combining all the elements of the Half-Life online universe with new single- and multiplayer content.

Source:

Unknown Source

Immerse yourself in the frighteningly intense world of Counter-Terrorism.

This is the ultimate multiplayer gaming experience that combines all the elements of the Half-Life. online universe with new single and multiplayer content. At the heart of this package is Counter-Strike, the number one played online action game built as an add-on for Half-Life., the PC CD-ROM named Game of the Year by over 50 publications worldwide. The package also contains the multiplayer components from Half-Life., Opposing Force, and Team Fortress Classic.

Team-based gameplay casts players in the role of terrorist or counter-terrorist, competing against each other throughout a variety of game scenarios. Teams are given access to real-world ammunition and equipment. Each player has unique attributes and the ability to upgrade gear and skills at the end of each successful mission.

http://www.sierra.com/product.do?gamePlatformId=34

Source:

Sierra Entertainment Official Website