The Dermonologist

Take offerings for power, use power to run your demonic dermatology parlour for the cursed! Increase profits while keeping margins low.

This game is incomplete, there's bugs, and the game loop isn't actually finished, but you can play around with the mechanics, heal patients to get money by dragging the purple magic onto the infected arm and collect sacrifices by selecting the 1,2,3,4 options under the donor diagram.