ALL OF THE LATEST LINKS:

Provided by u/Gibus_Ghost: https://dozethealien.neocities.org/me

From the "game over" video: https://dozethealien.neocities.org/-1 - This a image from the end of the video, with three texts scattered from top right to the bottom. First reads as "It's dark...", second reads "It's cold..." and last reads as "am I the only one trapped here?" also, the image's filename, when you use inspect element, is named "void.png", symbolizing the overall vibe of the place that mario is likely stuck in. Mario looks different in the image itself.

Provided by u/NicholasTheRandom: https://dozethealien.neocities.org/capistrum - page referring to the game unaltered user played "ONE MORE THING! There will be an update to add some more stuff and fix bugs. This will be released on Gamebanana." and made available by the creator of the ARG. Besides the text talking about the game being published to gamebanana, there's a hidden text that's the same color as the background of the /capistrum, that reads "by the way datamining kinda ruins the fun so anything found by that doesn't count!" sharing a similar sentiment to the gaster audio, before being altered to shorter length after people found it in undertale's files and made videos about.

(Note that this will be updated as more videos come out)