Environments feel oppressive and abandoned. It feels like a freighter and it feels lonely. Nice mixture of open spaces and confined areas. Impressive sized level for the jam period, although some signage (or a map!) would be welcome in a level this large. 3d design reminds me of Quake 2 and Silent Hill 1 (which is quite a pleasant combination to me). There is some nice varying texturing throughout, but also some plainly obvious hard lines where 3d objects meet.
The story and note system was well done (another reminder of Silent Hill) and I've been known to indulge in Lovecraft. It presented just enough to allow the player to fill in their own blanks. Audio is nicely implemented but it feels like the the 'tense' track is cued a little too often breaks immersion slightly after so long. Also a music track at the game over screen would be a welcome addition too.
The UI looks very smooth and clean here. It all feels real nice, polished, and responsive. I did feel the text when reading the letters could have been a little bigger though. I couldn't help but feel the most fear while repairing things (akin to Alien Isolation). Standing and waiting, feeling like a sitting duck.
The monster design feels slightly out of place due to the style of the 3d environment. It looks good, but it is out of sync with all the other visuals, which might be because of the texture.
There's a lot of good here. I'd imagine most of my suggestions were considered and scrapped due to time constraints but... A map (and possibly way point system?) would do a project like this a lot of good. A conglomeration journal would also be neat to read page by page after collecting them. It'd also be cool to see the monster pursue you in other ways. I'd also suggest some mouse sensitivity and field of view options. Oh and also... not enough game over screens say "YOU ARE DEAD" anymore, so I think that'd be cool. Nice work, guys. :)