In this thrilling game, you will face a lot of monsters, and most of them need to be killed. Depending on which of them you choose to eliminate, the plot of the story will always change. You can also try to finish the whole adventure in a different way every time. For this, play Undertale unblocked to see what actions you need to do to lead events to neutral, pacifist or genocide ending. It is will be quite interesting to try all possible scenarios. Join the adventure of the little boy right now!