It is a sequel of the famous Undertale. But this time, you will meet two protagonists. These are schoolchildren who have occasionally entered the underground world and now have to save it from the dark forces. You will have to go through many thrilling situations and find clues to many secrets. Besides, you will meet a lot of different monsters you have to deal with. It will depend only on you how will you treat them. You can fight the enemies or try to handle them peacefully.