FUSION

This isn't a good idea

What my friends think when I said I did undertale au crossover with other indie games

Indie Cross Trio in The Style of Undertale Battle Sprite

Bendy Undertale Talk

Something cool

Just playing with AI to make songs and make cover art for it. Death Battle: Scarlet Night Mansion Clash (Scarlet Devil Mansion VS Spooky's Jump Scare Mansion)

Indie-Pendence Trio: Undertale Alternate Universe VOL. 1

Indie Cross: Nightmare Sans and Nightmare Ink Demon in The Style of Undertale

Indie Ambitious Duo (Cuphead X Undertale Comic) Intro + Phase 0.5

The side story of Undertale: Independence. Time and space collide, leading to a team-up between Cuphead and Papyrus.