Ninja Theory has confirmed the cancellation of Project Mara, with the studio shifting all 85 developers onto Senua. New details suggest the upcoming game will feature expanded combat, exploration, puzzle-solving, and a significantly larger world than previous Hellblade titles.

source https://www.windowscentral.com/gaming/xbox/these-decisions-are-never-easy-ninja-theory-cancels-project-mara-to-focus-on-new-game-senua