Survival in Area 51

You will play as the character Stas, who works in Area 51. One day, Stas was given a strange task, to find acid and pour it into an unusual device. Then something terrible happened... In Area 51, an explosion occurred underground, and zombies appeared. They began to attack scientists and guards. Your task is to destroy zombies, mercenaries and find a way out of this terrible underground place. The game offers shooting, simple puzzles, a plot, many locations and a final battle.