Undertale

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.

Christian mod with bible verses. Tells the true meaning of Christmas. Converts the game into a God-honoring adventure with the gospel. Revamps some of the story. Changes some sprites. Has two main endings - requires a second playthrough for the second ending (has sort of secret...? requirements to unlock). Most graphical changes are in the second playthrough. Interaction with objects and NPCS instead of rushing through the game is recommended.

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!

Have you played Undertale Yellow? After completing it, did you think: "Man, I really wanna replay Undertale now, but I've already played it so many times..." No? WELL TOO BAD! Introducing: Undertale Red & Yellow! An Undertale mod designed to scratch that Undertale Yellow itch!

A mod of Undertale where you can play with two characters!

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

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

UNDERTALE but you play as Niko from Oneshot!

Undertale: Bits and Pieces is a mod of Undertale featuring completely overhauled graphics, new areas, new enemies and remixed music, as well as backporting content from its successor Deltarune

A co-op mod of Undertale, with this mod you will be able to play the entire game with two players.