I am currently working on a FPS project I think you could fit well with, if youd like to join the team and chat with me over Discord, I can provide you a lot more info - though for now, I can link you the info page I created on here, and my twitter that I try to post updates on the project as often as I can:
https://dibbie.itch.io/friendly-fire
https://twitter.com/DibbieGames
If your interested to join our team, let me know =)