LOOKING FOR COMPOSERS, SPRITERS, AND PROGRAMMERS!

We are working on an Undertale fangame, and we need your help!

If you're interested DM simpleshadow72 on Discord or message us via GameJolt.

By the way, here's the icon for the first chapter of Undertale Fallen!

Will GREEN GASTER be in Undertale Fallen?!!?!!

no.

>:[

Scrapped mini-boss for the Ruins!

Don't worry, you MIGHT see him anyways.

Looking for programmers that are able to work in GameMaker Studio!

The fangame is essentially just UT Yellow but for Chara, DM simpleshadow72 on Discord for more details!

This is a passion project, so you won't be getting paid.

--- UNDERTALE FALLEN DEVLOG ---

--- 3/8/2026 ---

Good news everyone!

The first part of the demo is pretty much done! (Aside from some MUCH needed polish and minor additions!)

We are now working on... pretty much the 75% rest of it...

Did you know that today is #InternationalJazzDay? 🎷😎

No? 😯 Well, we couldn't pass up this date!

And what better to celebrate this day than #Pecaminosa #OST? 🎷

Let us know what you think about it and have a great weekend!

art comission.

Shoobies leave a sticky trail of mucus in their wake, which can impede movement for any creature that steps in it.

Here's a peaceful little forest scene for this #screenshotsaturday, from the beginning of the game.