Imagine you're a struggling astronaut, tasked with trailblazing research on Mars, but as you go about your work, you’re plagued with questionable hallucinations of your past and future that slowly eat away at your sanity. If that concept doesn’t sound horrible enough, throw in some good ol’ tentacle wielding, sentient plant monsters straight out of Lovecraft’s Cthulhu mythos, and you’ve got yourselves the concept for Moons of Madness.

Indie game developer Rock Pocket Games’ first-person cosmic horror game released for PC in October of last year, but we wanted to celebrate the PS4 and Xbox game coming out March 24, 2020. What better way to do that than share a list of other literary monsters that would make amazing (and scary) video game enemies?