Well that's one way to tackle the Old School Quest. Write an actual "module" which is not so easy to do by the way. Kudos
It's a little clinical and dry in places I won't lie, but it seems a solid adventure with several points of interest. It could use some jazzing up, but I know, "Old School" :)
Blobs, altars, sacrifice, flesh golems and a great Maggot Mother. All seems in order there.
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I think it would look pretty cool if you formatted this with some box-texts and stuff for "gm info" vs "read this to players" texts and such to make it visually resemble an actual module read-through.