Something like Darksouls but set on a space station or massive spaceship (abandoned?). Gloomy, dark, creepy, atmospheric, similar approach to level layout/design. Battling aliens and robots or just other humans.
Have you tried The Surge? Not quite in space, but in the future, a massive derelict facility overrun by malfunctioning robots and augmented humans, that captures a lot of what makes Souls games great: