Role-playing (RPG)

Turn-based strategy (TBS)

Adventure

Undertale Yellow: Shades of Justice

PC (Microsoft Windows)

Undertale Yellow: Shades of Justice is a mod for Undertale Yellow that expands upon the Pacifist Route by providing new character interactions and a twist to the follower system!

Undertale Plus

Undertale Plus is a mod that allows you to have your own completely customized Undertale experience! Bringing all-console exclusive content of the original, with widescreen support, colored sprites, custom battle backgrounds, bug fixes, and many more with add-ons.

Desert Bus

Desert Bus is a mod for Undertale that recreates the original game of Desert Bus with an 8 hour long room in Undertale.

Puzzle

Indie

Undertale Hard Mode: Director's Cut

Deltatale

Have you ever wondered what would happen if Kris fell into the Underground instead of Frisk? Introducing DELTATALE, an alternate world where just that happens! This mod is aimed at players that have played Undertale, Deltarune, or UT Yellow and are looking for a new experience that implements lore and various upgrades from these games!

Silvatale

Silvatale is a high quality mod of Undertale. It replaces many songs and SFX with SiIvaGunner rips, amongst over small changes.

Gundertale

Undertale, but you have a gun and you can shoot things.
It's like a mod called DELTAGUN but in UNDERTALE.

Undertale Yellow But Blue

This game takes place in an AU in which Clover and Flo (An OC of the Integrity Soul) switch places. Go through all of Undertale Yellow with a twist.
That being using the blue soul mode throughout all battles.
Several pieces of dialogue and even some cutscenes have been changed.

undertale mod

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