Going Into The Unknown-DARKSiDERS

There is an epidemic in which a girl was infected and she was immediately transferred to the health unit under the supervision of Dr. Adam. After the doctor saw the transformation of the girl, he kept the matter and did not tell anyone, and transferred her to a psychiatric hospital to conduct some experiments, without her knowledge of the spread of the epidemic to some residents of the city.

You have to kill enemies, solve puzzles and find documents to complete missions.