Counter-Strike 1.8

Get all of Valve’s breakthrough multiplayer shooter in one complete package. Includes the original game plus the Counter-Strike: Condition Zero multiplayer game. As a bonus, the Anthology also features new character models and gives players several new ways of customizing their squad commander. The environments, too, have been given an upgrade, and several new locations have been added to the game. New weapons and other equipment are also available. The anthology also includes the Tour of Duty single-player campaign, giving players even more action and challenges.

It takes about 65.4 hours to complete this game.
Difficulty of this game: Just Right-Tough