Left2Dead

(English) An infected lab needs your help! Without an evident reason, a new virus spreads over your workplace, turning some of your coworkers into zombies thirsty for blood! Its up to you to assure that the worst will not happen! Fight through the whole laboratory with an arsenal of varied weapons until you reach where you will make your final sacrifice, the labs nuclear reactor. But getting there wont be easy! Some of your old colleagues have retained the special animal abilities their species ...