Welcome to the second part of the legendary Deltarune game. Now, the underground world is packed with even more horrible monsters and creatures. Every time you meet a new boss, you will have to solve a puzzle. You will deal with a diabolical queen, musical monsters, and an annoying bird. Dive into incredible adventures in the mysterious environment and learn to survive with so many opponents around. This time, all events will be even more exciting. But join the game to test it yourself!