The game can only be activated in these countries: Russia, Ukraine, Armenia, Azerbaijan, Belarus, Georgia, Kyrgyzstan, Kazakhstan, Moldova, Tajikistan, Turkmenistan, Uzbekistan.

The game can only be added to the library. You can not add to the inventory, because it uses VAC or another anti-cheat.
Left 4 Dead is the game representing epic fight of four uncountable zombies and awful mutants of "Zombie bosses" who "Survived" with hordes. Action is developed right after the long-awaited apocalypse which turned all into the zombie. Four survived heroes will fight for life, appearing in the unknown city, somewhere away beyond its limits, at the same time the situation surrounding them will constantly change as scenes from the movie. In each scene of the "movie" offered by creators four heroes should carry out this or that task; both one, and four players can play, for each plot five cards are offered to them. The new dynamic system called by developers "AI Director" changes the game course how players behave, arranging complexity level. As in the Hollywood movies, from everywhere there are all new monsters, the sound and surrounding reality change — everything depends on how the playing team acts.

Key features:
• Fascinating team game from founders of Counter-Strike and Half-Life
• The improved technologies will present many impressive moments, I will meet with friendly and not really monsters, and also guarantee obtaining • pleasures from a game as alone, and with several participants
• 20 new cards. 10 new types of weapon. Four "movies" with the twirled plot
• An opportunity to arrange duels, to constitute various statisticians and ratings, and also system of awards — all this makes a game in team even more interestingly
• The mode with comments of developers will allow participants to get "behind the scenes" games
• With use of Source and Steam technologies