One of the best open games ever existed is Undertale world. Here you have a plenty of options and models of behavior that decide your future adventure. You will meet adorable monsters, who will gladly get your good side if you want to. All you need to become friends with these creatures is to be a good listener of their stories. However, if this sounds too boring, you may start a fight and become a cruel murderer. Besides, the cartoonish and colorful graphics will make your playing experience really incredible. It’s up to you to decide what kind of game you are going to play and there is nobody to judge your choice!