I have uploaded a very short devlog video on my LD 52 entry. I quickly went over the development process of making a FPS game for this LD which by the way I have yet to play another FPS game on this game jam.

https://www.youtube.com/watch?v=VMlerrEn2Yk

Here is my submission in case you want to try it out.

https://ldjam.com/events/ludum-dare/52/samhain

Thanks for reading :)