In an abandoned railway complex, which hides the installations of the most important biotechnology lab in the world, all hell has broken loose. Thousands of blood-thirsty creatures lurk in the shadows and kill everyone in their path. David, a security guard, and Julia, a young doctor, are alone among the corpses; their chances of survival are almost zero. Guide them through levels packed with relentless action and find out the secret that hides behind Project Xenoclone.
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