Lots of UI issues: I cannot escape from the settings menu, both buttons on the bottom right do nothing. The character information menu you access with CTRL is super finnicky, it sometimes doesn't open. The character customization screen worked without any issue.
The character controller isn't bad per se but it does feel clunky. First of all: feet sliding, might want to look into root motion. You seem to be moving the character away from their "center" as indicated by the circular shadow on the ground, which looks weird and makes the camera not feel centered properly. Other than that, I like the character's hovering ability, reminds me of the Artificer from RoR2.
Your shadows are pitch black, which make some areas look off.
I think I broke something when I picked up the Luger, I keep hearing a reload sound. Also, this happened upon pausing the game: it looks like the character gets rotated to whatever direction the camera is pointing in at the time of pausing.
The hazard suit guys did not attack me, they kind of stayed in place while periodically swinging their batons. I fought the big hazard guy, which did at least try to kill me, but when he died the room shrunk back to its normal size and I was left outside of it.
There were a lot of invisible walls that prevented vertical movement, and I eventually fell through the world. I put out all the fires and didn't see what else to do, so I stopped playing there. It's a crying shame to see this game in this state, there clearly was a lot of love put into the character/equipment assets and it shows. I don't want to sound rude, but maybe you could find more success in a team where you can focus squarely on art? Either way, I'll make sure to check this game out again in the future.