age. However, Undertale was developed in Europe, so it's actually given a Peggy rating, and more specifically. a Peggy 12 rating. This means the game is not for younger kids.

Undertale is rated 10+ by the ESRB (Entertainment Software Rating Board) which is the rating committee for video games in the US. According to the ESRB, the reason for this rating is due to fantasy violence, mild blood, mild language, and the use of tobacco. Related: Will There Be An Undertale 2?