In this section of the Guide to ATOM RPG, you will find descriptions of the tasks available in the location called Circus. You will find a dozen or so people there, with each of them you will be able to swap a few sentences and find out about them. In this location, however, you will only find two quests.
Arguments in the circus
Near the bonfire, there is a man known in the circus as Barbara. Talk to him and find out about his argument with a woman.
Go to Yana and talk to her. She is standing near the trailer. This is the young girl shown on the screen above.
Ivan will help you to solve the whole matter. He is sitting on the boxes, talk to him and get information from him.
Then go back to both heroes and talk to them. After the conversation with Barbara, you will finish missions and get experience points.
To face the king of rats, go to Nicholas. He's standing on the tower at the entrance to the circus.
After receiving information from him, follow the plane and fight 10 rats. When you kill them, the Rat King appears. Kill him and return to the man, he will give you a reward.