Boss battles are meant to be the ultimate challenge of a video game, but some will take things way too far. These are the hardest bosses in video game history.

“Undertale” (2015) Sans becomes the final boss of “Undertale” if you complete a genocide run, and he’s easily one of the most taxing bosses to date. He’s attacking you ...

Undertale is a game that offers a lot of freedom ... was broken by his state as a flower without empathy. He is the final ...