It's obviously seeded. We can see the icon for seeded run or challenge.

Hi! I finished "The Room" this morning and i started the speedrun right after. I play the version which is sold on steam with the extension "Epilogue", an extra level.

So, If I submit a run (what I probably do in few days), should I submit it in the same category or in a new category?

Edit: Finally, I recorded a run. Here the link to the video: