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"

Undertale is officially over a decade old now, and Toby Fox celebrated the 10-year-old indie RPG's big day during a charity ...

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 ...

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

Redditors quickly noticed that the stream's ruins seemingly also appeared in Deltarune's intro cutscene, with many ...

Undertale 10th Anniversary Site Features New Sans Fight

Undertale's 10th anniversary, and to celebrate, there's a website featuring a whole new and comedic fight against the ...
GameSpew

Undertale 10th anniversary stream teases players with ‘new’ content

Day one of Undertale's 10th anniversary stream featured a host of 'new' areas, tantalizingly out of the reach of regular players.
The Observer

A tribute to ‘Undertale’

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