The two most difficult levels of Going Down, so far. I like how the levels feel like small arenas where you have to fight these increasingly hard battles on. Space, ammo, and health are all scarce and if you don't manage them well enough, you'll end up dead, just like I did here... plenty!
https://www.youtube.com/c/coincident Check out the channel for many more action-packed speedruns, challenges, and in-depth analysis videos; mostly Doom but also other games!