Blood Stain: Ritual of the Night is an action role-playing game produced by Artplay and published by 505 Games. It is a crowdfunding project initiated by Takashi Igarashi, the producer of the Castlevania series, and is considered a spiritual sequel to Castlevania.

Takashi Igarashi is leading the production, with Michiru Yamane handling the music and Fumi Kojima the art. With over $5.5 million in crowdfunding, it set a new record for video game project fundraising in Kickstarter history.