The short answer: not really. The long answer: While Undertale is a creative video game with beautiful music and an intriguing story line, the game's difficulty, complex themes, and occasionally frightening imagery make it inappropriate for younger children.
A Masterpiece for the Ages!\n\n If you're here to decide weather your kid can play Undertale, I'm here to tell you that as long as they're mature and you're not an ultra-sheltering Ned Flanders of a parent, you should let them!