Usurper is a Metroidvania Action-RPG. With Eldritch horrors having been unleashed by the outer-worldly Citadel, your job is to rid London of its terrors. Use the new "Guard" system that rewards skillful play and accuracy, to uncover the massive structure and defeat the nightmares lurking within.
Its now live in Early Access, there is a clear roadmap, and it is getting daily updates.
The game should be finished and 1.0 by Christmas.