Explore new tales about Sans, Toriel, Frisk, Chara, and all the other monsters from Undertale. Unfortunately, development on this game stalled out, but the rest of the games on this list are playable now, some right from your browser. RELATED: Ranking the Main Cast of Undertale Fans will recognize most games on this list, but one didn't make the cut: Overtale. One of the most beloved indie games of the last decade, Undertale still inspires fans to create unique reimaginings and expansions of the original game by Toby Fox.