Quoting the wise Sage Yoda

Fear is the path to the dark side. Fear leads to anger. Anger leads to hate. Hate leads to suffering. Since darkness is traditionally liked to evil the “Dark side” is so aligned to. And Fear is thus the path to Evil leading to the conclusion that Fear, and being filled by Fear, is aligning, or being aligned to, Evil. So on the Good-Evil axis Fear of Spiders is aligned to Evil. Fear being an emotion have no intrinsic aligned towards Order or Chaos, how it affects the person is individual.

Therefore Fear of Spiders (arachnophobia) is Neutral Evil.

If there are three players present I’ll run. Unless there is something big upcoming, then we’ll discuss if we want to postpone. I usually say “I want four players, so I’ll recruit to five, and run with three”.

Anything compared to Duskvol is sunny. That city and its atmosphere is so oppresivley dark and dreary. The sun literally doesn’t shine and no stars illuminate the night sky.

I don’t find Cthulhu horror that dark. Damp and misty sure. With the cosmic/existential horror being rooted in ones insignificance and the ungraspness of the infinite existence there is little explicit need for darkness. It can be dark yes, just doesn’t need to be.

On DrivethroughRPG.com you can browse by rule system
https://preview.drivethrurpg.com/en/browse?ruleSystem=100226

Itch.io has a Forged in the Dark tag
https://itch.io/physical-games/tag-forged-in-the-dark

And I found a list of fan creations on the blades webpage. Not sure how maintained that is but it is there.
https://bladesinthedark.com/fan-creations

The setting of blades is while well crafted utterly dark and dreary. Personally I cannot stand it. So anything that is forged in the dark (what the generic mechanics are called) but with a bit more sun is in my opinion pretty much an upgrade. So if you are interested in the forged family of systems and you find CO’s setting/premise go for it.

Can also recommend you to have a look at the larger FitD ecosystem as there are plenty of goodies.