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 ...

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 ...
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.

Toby Fox says the "smart" way to make games is reusing what you can, but the way he makes Deltarune is "stupid": "Everything in the game is simply a container for a n…

If Toby Fox thinks his way of making games is pretty inefficient, that probably shouldn't be a big surprise given how many ...

Like Balatro 1.1, Deltarune Chapter 5 will also release "when it's done"

On Undertale's tenth anniversary, its creator Toby Fox announces details of when we can expect to see more of Deltarune ...

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 ...
The Observer

A tribute to ‘Undertale’

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