Underfell Sans battle changes:

- Fixed an issues with soul hitboxes (once again).

- 1st segment is now no-hittable.

- Fixed an issue where Sans laughter could disappear on a second playthrough.

- Fixed an issue with the health bar, which could go over the bounds.

Trophy Room changes:

- Fixed an issue where the Gaster monologue might not appear.

Other changes:

- Game size reduced to 29 MB.

- Some minors changes that hardly notice.

P.S: Swap mode isn't done yet, only a selection menu.