Undertale is over a decade old but still inspires twisty fan theories and heated speculation to this day. And as if the last 10 years of wild theorizing wasn't enough, the game's official 10th ...

W. D. Gaster is the mysterious entity that has a rare chance to appear in the game. According to the hints you find throughout the story, he used to be Asgore's royal ...

Deltarune is packed to the brim with secrets and easter eggs for fans to pick up, with very literal Eggs to collect alongside metaphorical ones. If you're a fan of Undertale or simply love the ...

Many RPGs leave unanswered questions for fans to explore in future games or theories. The lore of RPGs like The Elder Scrolls, Witcher, and Dragon Age is rich with mysteries. Games like Undertale, ...

After spectacularly failing to beat Sans, you’ll find yourself in the Void, with the mission to reclaim your determination and get your true soul back from Gaster. Learn abilities from various beloved ...

Scott Baird is a contributor with over a decade's experience writing about video games, along with board games and tabletop RPGs. Scott has previously worked for Dexerto, Cracked, Dorkly, and Gamepur.

GameSpot may get a commission from retail offers. Editor's note: Three years after its initial release on PC, Undertale has found its way to the Nintendo Switch--and of course, the game is every bit ...