The retail version of the popular Half-Life action game is here! Package includes Counter Strike as well as several other most popular Half-Life games. 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. 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.