Ninja Gaiden 4 download size:
- Xbox Series X|S: 36.82 GB;
- PC (Windows Store): 54.9 GB.
The Xbox version pre-download includes the latest update for digital pre-orders, but a day-one patch may appear closer to the October 21, 2025 release.
In June, Ninja Gaiden 4 received an M18 age rating, as the game has plenty of mature themes and adult content. The game features violent combat scenes with explicit violence. The graphic nature of the battles is emphasized by copious blood effects and the scattering of body parts around the environment.