Going Deep

The disasters that took place in a rather desolate city secluded had attracted the attention of the military. The military thought that foreign countries were secretly carrying out chemical attacks here. For this reason, they sent a special military team to this region. however, things did not go as planned and everyone on the sent team disappeared. Now we will try to unravel the secrets through the eyes of someone on the team sent on this mission. Will you be able to complete this long and difficult challenge?