Play Undertale Rainbow, an expansion to Undertale Red and Yellow!

Devlog! Cutscene test! Nothing in this video is final, and are subject to change. (Audio may be glitched)

MISSING CHILD

(Featuring Emily from Undertale Patience)

(NO, THIS IS NOT CANON TO TC!UTO)

This week's Fan Art Friday celebrates Undertale! Accept the quest in your quest log to get started.

Have some teasers for Undertale Rainbow while you wait for the Hotland update! 1: Remade border! 2: Some dialog seen in the new update! Also, the Hotland update will have Hotland, New Home, The Castle, and Omega Flowey ok byeeeee!

Happy Joltidays! A new quest has entered your quest log. Accept the quest and follow @souptaels to open today's slot on the calendar.

#AdventCalendar2025

This is Don! Don is a former boxing champion for "The Ring" as well, as a main character in Undertale Orange. After Odin meets and befriends him, he opens up about other things he hopes to do that don't involve throwing punches, like music!

Sadie is Aiden's older sister, and she plays along with his superhero charade as a sidekick. Besides that, you'll see her painting or drawing in all sorts of places! Art is her specialty! She loves to do it... but that's not the only reason she does it.

Roaring Knight: Crossover (Tentative Title)

[WIP 01]

Alen is a wacky, yet simultaneously very relaxed engineer-in-training. She builds tons of contraptions, and brings everything in her bag! She's also helping finish the CORE as an apprentice of ███ ██████. She hasn't seen him in a while, though...