Very strange things

People are disappearing again in Hawkins. The police are suspecting a serial killer. The state government is inactive. After the mysterious disappearance of your friend Maxine, you decide to take matters into your hands and start your own investigation. The National Hawkins Laboratory has long been infamous - there are rumors of horrifying human experiments. And tales about inter-dimensional dimensions. Having unearthed the archives, you found information about a certain "Upside Down" - the reverse side of our world. In the "Upside Down" live dangerous creatures who wish death to everyone who sets foot on their land. The only known portal to there is located somewhere in the laboratory. This place becomes your first point of destination, as you are absolutely sure that your friend is connected with the other side. The laboratory is surrounded by solid security, but unexpectedly you receive a letter from an old acquaintance. Having learned about your friend's disappearance, she offers help. She - is your only way, she can lead you onto the territory unnoticed.