Once the player defeats Astaroth and his superior, Lucifer, and finishes the game on any difficulty level except Page, they can complete the Shadow versions of each stage.

These rearrange the placement and spawn points of enemies and introduce additional environmental challenges as well as one more final boss fight with an even more powerful demon named Hades.

The second player can play as one of three ancestral spirits: Barry, Kerry, or Archie (known collectively as the "Three Wise Guys"), each of whom has their own abilities that can assist Arthur in his quest.

[6] The game adopted a new visual style, built on Capcom's proprietary RE Engine, which was initially met with a mixed reaction from fans.

[7] Fujiwara explained that the team adopted an "animated scroll" or a "picture book" art style because they felt that it aligned better with the aesthetics of the stages which were inspired by horror theme parks.