The game developers Ninja Theory self promoted and funded the game on their own without working with a popular game publisher.
To celebrate World Mental Health Day on October 10, 2017, Ninja Theory donated all profit made from the sales of Hellblade on that day to Rethink Mental Illness.
Debut of Melina Juergens, a video editor for Ninja Theory with no prior acting experience. Juergens was initially used as a stand-in to perfect the motion capture technology while the team searched for an actor for the role of Senua. Eventually, it was decided to have Juergens portray the role as is, leading her to win multiple awards for her performance.
Following issues with the combat system, it was announced in 2016 that top stunt actors Chloé Bruce and Cali Nelle had been brought in to perform motion capture of key game characters to help make combat feel smoother.
To accurately portray psychosis, the team worked closely with experts and patients on the subject, as well as presenting the game for actual voice hearers for feedback.