Undertale fans raised over $330,000 for charity at the RPG's 10th anniversary event, where someone paid $11,000 for a "one-of-a-kind" giant Toriel plush

Undertale has attracted one of the most powerful fandoms in gaming, and over the weekend those fans used their power for good ...
GamesRadar+

Undertale's 10th anniversary stream included new areas and changes to the original RPG that might just connect it to Deltarune even more, and fans are freaking out

RPGs Toby Fox reveals new Undertale content we may never get to play, tells fans of the RPG that "the only limit to all this is your imagination" RPGs Toby Fox doesn't think Deltarune Chapter 5 "will ...
The Observer

A tribute to ‘Undertale’

On Sept. 15, 2025, “Undertale” turned 10 to much fanfare from old and new fans alike.