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 ...

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 ...
The Observer

A tribute to ‘Undertale’

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

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 ...
Eurogamer

You can now listen to Undertale creator's Deltarune Chapter 1 soundtrack

Ask any Undertale fan what they love most about the game and chances are they'll name the soundtrack. The original music was composed by creator Toby Fox, and received a great deal of praise for its ...
TweakTown

Toby Fox's new Undertale game Deltarune is a mega indie hit, achieves 133,000 players on Steam

TL;DR: Toby Fox's new game, Deltarune Chapters 1-4, launched to major success, topping Steam's best-seller list with over 133,000 concurrent players. This turn-based RPG, a parallel story to Undertale ...
Kotaku

Players Still Haven’t Figured Out All Of Undertale‘s Secrets

Undertale is an RPG where you can talk your way out of every battle. It’s amazing. And yet, that might be the least remarkable thing about it. (Warning: BIG spoilers for Undertale follow. I’m not ...