I'm sorry but I need to be honest here, this is kinda rought...
I mean, I like the idea of the different weapons here, and the fact one of them are just literal pizza makes me want to like the game more, but in excecution this really didn't work at all. The enemies are literally all the same, so it's literaly impossible to know wich weapon kills wich, so you're just forced onto spamming all of them at every enemy, and they have little to no indication of taking damage either so you never know wheter your shots are working or not (I guess the sound they make is the indication of damage?? It's really not clear enought tbh, if they only just flashed white for a frame or two would have already felt way better).
A more personal issue for myself tho, but the control scheme is also really weird. I'm already not a fan of spacebar to jump, but I can overlook that since it's still pretty common, but F to shoot while A & D moves just feels wrong, you wouldn't expect the action button to be so close to the movement one, it's just weird to have both hands on the same side of the keyboard. Changing weapons with the numbers also doesn't feel super great since you're forced to take one of your hands out of position to do so, in my personal opinion you would have a way better flow by using Q or E for changing weapons instead.

Hitboxes are a little too big as well, I was being hit by enemy projectiles way before they ever felt like I should. As I always say on a lot of jam comments, your hitboxes should always be smaller than your sprites for the game to feel fair.

Sound effects are also a little too loud and get annoying pretty quickly, but the music is actually pretty good. No clue wheter you made it yourself or not tho, but if it's the case then good job there.

I think that's it, I really hope I'm not sounding too harsh tho, those are just my sincere toughts, I don't hate your game nor anything, it's just that I believe you still have a lot to improve, and I really believe you can do so. Also hey, at least you submitted something, wich is already more than what I did x)
Oh well... I didn't push myself to play to the end, so I really can't say anything about the boss since I didn't see it.

I don't have a whole lot to say about this game, but congratulations for getting anything out for a submission, good job! Otherwise, I can't say I loved it very much -- there were chunks I enjoyed, definitely, but overall I think it needed a lot of foundational changes. When it comes to the main idea of the game, I think it could be neat to switch ammunition to deal damage to certain enemies, but with how easy it is to avoid them, and the fact that it's impossible to tell them apart, it makes the core mechanic redundant, in my opinion. I think for the most part, it would've been fixed if you had given the different demons different appearances, so at a glance you could switch to the right weapon, along with making them a bit taller and giving some cooldown to the weapons (:3)! I liked the idea of having two different paths, platforming, and battling, but they seem so at odds with each other. When you're choosing one path, you have to stick with it -- there's no inbetween or overlap -- and when it comes to platforming, one mistake and it forces you to fight, and doesn't give you a chance to get back on track. There are some good ideas here, and I do recommend you keep working on things like this, even if I didn't like this the most; you've got this, just keep on working at it, I loved the music, it made everything twice as epic, good job! xD