I created a remake of the Underswap Sans Fight! I used aboabk's battle engine.

v0.3.1 released

Updated ULB Sans sprites and fixed "Lethal" cutting corners....

Underswap Sans and Papyrus!

Great Time Trio Storyfell Asriel

Undertale : conflict dawn

Underfell sans animation test

#undertaleAU

Version 0.5.1 released.

Fixed the item bug and corrected the overall UI misalignment. This update was made on Snail IDE, not TurboWarp.

I haven't been able to fix the bugs reported in the comments yet. I plan to continue development with Snail IDE.

GTT Capture The Human

#undertaleAU

turning the tide wip!!!!!

When you open the game, you will see this window first. Don't worry, it's not a virus, it's just a compilation app called makesfx. Once this loads, the game window will open! (And then there will be some extra loading...)