Koji Igarashi's successfully Kickstarted, spiritual successor to his Castlevania games, Bloodstained is slowly making progress. The development has been quite open, with updates about what is happening coming often enough.
In this new update on development, you'll even get a look at the game in motion…albeit, not with much in it. It's just the skeleton of a level with no background or enemies, but it looks fluid, and is playing, so you know, progress.
Take a look: