The Upside Down

The Upside Down trivia questions

1. Who created the Upside Down in Stranger Things?
2. What is the Upside Down, according to Stranger Things?
3. Which character first goes missing in the Upside Down?
4. What creature inhabits the Upside Down in Stranger Things?
5. Which character has a connection with the Upside Down due to her psychic abilities?
6. What is the name of the government facility linked to the Upside Down?
7. In Stranger Things, who is the first to enter the Upside Down to rescue Will?
8. What is the Upside Down's effect on the human body in Stranger Things?
9. What is used to communicate with those in the Upside Down in Stranger Things?
10. What is the name of the creature from the Upside Down in season 3?