BTW Kurzgesagt is pretty good in general if you even need inspiration for cosmic horror
It might work better as a setting in a dreamscape. You know, in which the heroes are projected to save the dreamer. Unlocking the thematic connection helps them find the cure. Or something.Castle Bravo - A kingdom that's a metaphor for the atomic bomb and where all of the stuff is named after bomb tests or specific devices, with locations like Castle Bravo and characters like the Orange Herald, the Fat Man, and Ivy Mike. I imagine it as being a surreal dreamlike Carcosa-esque location within which campaign's obligatory ancient superweapon/sealed-evil-in-a-can is hidden